diff options
Diffstat (limited to 'src/uk/ac/ox/cs/pagoda/query')
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java | 163 | ||||
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/query/DeserializedQueryRecord.java | 9 | ||||
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/query/GapByTriple.java | 35 | ||||
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java | 4 | ||||
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/query/QueryRecord.java | 713 |
5 files changed, 561 insertions, 363 deletions
diff --git a/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java b/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java index 8d7e0b1..54e4837 100644 --- a/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java +++ b/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java | |||
| @@ -1,13 +1,10 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.query; | 1 | package uk.ac.ox.cs.pagoda.query; |
| 2 | 2 | ||
| 3 | import java.util.HashMap; | 3 | import com.google.gson.*; |
| 4 | import java.util.Map; | ||
| 5 | |||
| 6 | import org.semanticweb.HermiT.model.Constant; | 4 | import org.semanticweb.HermiT.model.Constant; |
| 7 | import org.semanticweb.HermiT.model.Individual; | 5 | import org.semanticweb.HermiT.model.Individual; |
| 8 | import org.semanticweb.HermiT.model.Term; | 6 | import org.semanticweb.HermiT.model.Term; |
| 9 | import org.semanticweb.HermiT.model.Variable; | 7 | import org.semanticweb.HermiT.model.Variable; |
| 10 | |||
| 11 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; | 8 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; |
| 12 | import uk.ac.ox.cs.JRDFox.model.Datatype; | 9 | import uk.ac.ox.cs.JRDFox.model.Datatype; |
| 13 | import uk.ac.ox.cs.JRDFox.model.GroundTerm; | 10 | import uk.ac.ox.cs.JRDFox.model.GroundTerm; |
| @@ -15,13 +12,21 @@ import uk.ac.ox.cs.JRDFox.model.Literal; | |||
| 15 | import uk.ac.ox.cs.JRDFox.store.TupleIterator; | 12 | import uk.ac.ox.cs.JRDFox.store.TupleIterator; |
| 16 | import uk.ac.ox.cs.pagoda.util.Namespace; | 13 | import uk.ac.ox.cs.pagoda.util.Namespace; |
| 17 | 14 | ||
| 15 | import java.lang.reflect.Type; | ||
| 16 | import java.util.HashMap; | ||
| 17 | import java.util.Map; | ||
| 18 | import java.util.StringTokenizer; | ||
| 19 | import java.util.regex.Matcher; | ||
| 20 | import java.util.regex.Pattern; | ||
| 21 | |||
| 18 | public class AnswerTuple { | 22 | public class AnswerTuple { |
| 19 | 23 | ||
| 20 | public static final String SEPARATOR = "\t"; | 24 | public static final String SEPARATOR = "\t"; |
| 25 | static final Pattern owlLiteralRegex = | ||
| 26 | Pattern.compile("^\"(?<lexicalForm>[^@]+(@(?<langTag>.+))?)\"(^^<(?<dataType>.+)>)?$"); | ||
| 27 | String m_str = null; | ||
| 28 | GroundTerm[] m_tuple; | ||
| 21 | 29 | ||
| 22 | String m_str = null; | ||
| 23 | GroundTerm[] m_tuple; | ||
| 24 | |||
| 25 | public AnswerTuple(TupleIterator iter, int arity) { | 30 | public AnswerTuple(TupleIterator iter, int arity) { |
| 26 | m_tuple = new GroundTerm[arity]; | 31 | m_tuple = new GroundTerm[arity]; |
| 27 | try { | 32 | try { |
| @@ -29,107 +34,157 @@ public class AnswerTuple { | |||
| 29 | m_tuple[i] = iter.getGroundTerm(i); | 34 | m_tuple[i] = iter.getGroundTerm(i); |
| 30 | } catch (JRDFStoreException e) { | 35 | } catch (JRDFStoreException e) { |
| 31 | e.printStackTrace(); | 36 | e.printStackTrace(); |
| 32 | } | 37 | } |
| 33 | } | 38 | } |
| 34 | 39 | ||
| 35 | public AnswerTuple(GroundTerm[] terms) { | 40 | public AnswerTuple(GroundTerm[] terms) { |
| 36 | m_tuple = terms; | 41 | m_tuple = terms; |
| 37 | } | 42 | } |
| 38 | 43 | ||
| 44 | // private AnswerTuple(String m_str) { | ||
| 45 | // this.m_str = m_str; | ||
| 46 | // } | ||
| 47 | |||
| 39 | private AnswerTuple(AnswerTuple sup, int arity) { | 48 | private AnswerTuple(AnswerTuple sup, int arity) { |
| 40 | m_tuple = new GroundTerm[arity]; | 49 | m_tuple = new GroundTerm[arity]; |
| 41 | for (int i = 0; i < arity; ++i) m_tuple[i] = sup.m_tuple[i]; | 50 | for(int i = 0; i < arity; ++i) m_tuple[i] = sup.m_tuple[i]; |
| 51 | } | ||
| 52 | |||
| 53 | /** | ||
| 54 | * It returns the first argument if its arity equals length, a new AnswerTuple otherwise. | ||
| 55 | */ | ||
| 56 | public static AnswerTuple getInstance(AnswerTuple extendedTuple, int length) { | ||
| 57 | if(length == extendedTuple.getArity()) return extendedTuple; | ||
| 58 | else return new AnswerTuple(extendedTuple, length); | ||
| 42 | } | 59 | } |
| 43 | 60 | ||
| 44 | public int getArity() { | 61 | public int getArity() { |
| 45 | return m_tuple.length; | 62 | return m_tuple.length; |
| 46 | } | 63 | } |
| 47 | 64 | ||
| 48 | public int hashCode() { | 65 | public int hashCode() { |
| 49 | // return toString().hashCode(); | 66 | // return toString().hashCode(); |
| 50 | int code = 0; | 67 | int code = 0; |
| 51 | for (int i = 0; i < m_tuple.length; ++i) | 68 | for (int i = 0; i < m_tuple.length; ++i) |
| 52 | code = code * 1997 + m_tuple[i].hashCode(); | 69 | code = code * 1997 + m_tuple[i].hashCode(); |
| 53 | return code; | 70 | return code; |
| 54 | } | 71 | } |
| 55 | 72 | ||
| 56 | public boolean equals(Object obj) { | 73 | public boolean equals(Object obj) { |
| 57 | if (!(obj instanceof AnswerTuple)) return false; | 74 | if (!(obj instanceof AnswerTuple)) return false; |
| 58 | AnswerTuple that = (AnswerTuple) obj; | 75 | AnswerTuple that = (AnswerTuple) obj; |
| 59 | if (m_tuple.length != that.m_tuple.length) return false; | 76 | if (m_tuple.length != that.m_tuple.length) return false; |
| 60 | for (int i = 0; i < m_tuple.length; ++i) | 77 | for (int i = 0; i < m_tuple.length; ++i) |
| 61 | if (!m_tuple[i].equals(that.m_tuple[i])) | 78 | if (!m_tuple[i].equals(that.m_tuple[i])) |
| 62 | return false; | 79 | return false; |
| 63 | return true; | 80 | return true; |
| 64 | // return toString().equals(obj.toString()); | 81 | // return toString().equals(obj.toString()); |
| 65 | } | 82 | } |
| 66 | 83 | ||
| 67 | public String toString() { | 84 | public String toString() { |
| 68 | if (m_str != null) return m_str; | 85 | if(m_str != null) return m_str; |
| 69 | StringBuilder sb = new StringBuilder(); | 86 | StringBuilder sb = new StringBuilder(); |
| 70 | for (int i = 0; i < m_tuple.length; ++i) { | 87 | for (int i = 0; i < m_tuple.length; ++i) { |
| 71 | if (sb.length() != 0) sb.append(SEPARATOR); | 88 | if (sb.length() != 0) sb.append(SEPARATOR); |
| 72 | if (m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual) | 89 | if (m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual) |
| 73 | sb.append("<").append(((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI()).append(">"); | 90 | sb.append("<").append(((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI()).append(">"); |
| 74 | else if (m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.BlankNode) { | 91 | else if (m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.BlankNode) { |
| 75 | sb.append(((uk.ac.ox.cs.JRDFox.model.BlankNode) m_tuple[i]).toString()); | 92 | sb.append(m_tuple[i].toString()); |
| 76 | } | 93 | } |
| 77 | else { | 94 | else { |
| 78 | Literal l = (Literal) m_tuple[i]; | 95 | Literal l = (Literal) m_tuple[i]; |
| 79 | sb.append('"').append(l.getLexicalForm()).append("\""); | 96 | sb.append('"').append(l.getLexicalForm()).append("\""); |
| 80 | if (!l.getDatatype().equals(Datatype.XSD_STRING) && !l.getDatatype().equals(Datatype.RDF_PLAIN_LITERAL)) | 97 | if (!l.getDatatype().equals(Datatype.XSD_STRING) && !l.getDatatype().equals(Datatype.RDF_PLAIN_LITERAL)) |
| 81 | sb.append("^^<").append(l.getDatatype().getIRI()).append(">"); | 98 | sb.append("^^<").append(l.getDatatype().getIRI()).append(">"); |
| 82 | } | 99 | } |
| 83 | } | 100 | } |
| 84 | return m_str = sb.toString(); | 101 | return m_str = sb.toString(); |
| 85 | } | 102 | } |
| 86 | 103 | ||
| 87 | public GroundTerm getGroundTerm(int i) { | 104 | public GroundTerm getGroundTerm(int i) { |
| 88 | return m_tuple[i]; | 105 | return m_tuple[i]; |
| 89 | } | 106 | } |
| 90 | 107 | ||
| 91 | public Map<Variable, Term> getAssignment(String[] vars) { | 108 | public Map<Variable, Term> getAssignment(String[] vars) { |
| 92 | Map<Variable, Term> map = new HashMap<Variable, Term>(); | 109 | Map<Variable, Term> map = new HashMap<Variable, Term>(); |
| 93 | int index = 0; | 110 | int index = 0; |
| 94 | Term t; | 111 | Term t; |
| 95 | for (String var: vars) { | 112 | for (String var: vars) { |
| 96 | if (m_tuple[index] instanceof uk.ac.ox.cs.JRDFox.model.Individual) | 113 | if(m_tuple[index] instanceof uk.ac.ox.cs.JRDFox.model.Individual) |
| 97 | t = Individual.create((((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[index]).getIRI())); | 114 | t = Individual.create((((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[index]).getIRI())); |
| 98 | else { | 115 | else { |
| 99 | uk.ac.ox.cs.JRDFox.model.Literal l = (uk.ac.ox.cs.JRDFox.model.Literal) m_tuple[index]; | 116 | uk.ac.ox.cs.JRDFox.model.Literal l = (uk.ac.ox.cs.JRDFox.model.Literal) m_tuple[index]; |
| 100 | t = Constant.create(l.getLexicalForm(), l.getDatatype().getIRI()); | 117 | t = Constant.create(l.getLexicalForm(), l.getDatatype().getIRI()); |
| 101 | } | 118 | } |
| 102 | map.put(Variable.create(var), t); | 119 | map.put(Variable.create(var), t); |
| 103 | ++index; | 120 | ++index; |
| 104 | } | 121 | } |
| 105 | return map; | 122 | return map; |
| 106 | } | 123 | } |
| 107 | 124 | ||
| 108 | public boolean hasAuxPredicate() { | 125 | public boolean hasAuxPredicate() { |
| 109 | String iri; | 126 | String iri; |
| 110 | for (int i = 0; i < m_tuple.length; ++i) | 127 | for (int i = 0; i < m_tuple.length; ++i) |
| 111 | if ((m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual)) { | 128 | if ((m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual)) { |
| 112 | iri = ((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI(); | 129 | iri = ((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI(); |
| 113 | if ( iri.startsWith(Namespace.PAGODA_AUX) || iri.contains("_AUX") || iri.contains("_neg") || iri.contains("internal:def")) | 130 | if(iri.startsWith(Namespace.PAGODA_AUX) || iri.contains("_AUX") || iri.contains("_neg") || iri.contains("internal:def")) |
| 114 | return true; | 131 | return true; |
| 115 | } | 132 | } |
| 116 | return false; | 133 | return false; |
| 117 | } | 134 | } |
| 118 | 135 | ||
| 119 | public boolean hasAnonyIndividual() { | 136 | public boolean hasAnonymousIndividual() { |
| 120 | String iri; | 137 | String iri; |
| 121 | for (int i = 0; i < m_tuple.length; ++i) | 138 | for(int i = 0; i < m_tuple.length; ++i) |
| 122 | if ((m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual)) { | 139 | if((m_tuple[i] instanceof uk.ac.ox.cs.JRDFox.model.Individual)) { |
| 123 | iri = ((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI(); | 140 | iri = ((uk.ac.ox.cs.JRDFox.model.Individual) m_tuple[i]).getIRI(); |
| 124 | if (iri.startsWith(Namespace.PAGODA_ANONY) || iri.startsWith(Namespace.KARMA_ANONY)) | 141 | if(iri.startsWith(Namespace.PAGODA_ANONY) || iri.startsWith(Namespace.KARMA_ANONY)) |
| 125 | return true; | 142 | return true; |
| 126 | } | 143 | } |
| 127 | return false; | 144 | return false; |
| 128 | } | 145 | } |
| 129 | 146 | ||
| 130 | public static AnswerTuple create(AnswerTuple extendedTuple, int length) { | 147 | public static class AnswerTupleSerializer implements JsonSerializer<AnswerTuple> { |
| 131 | if (length == extendedTuple.getArity()) return extendedTuple; | 148 | |
| 132 | else return new AnswerTuple(extendedTuple, length); | 149 | public JsonElement serialize(AnswerTuple src, Type typeOfSrc, JsonSerializationContext context) { |
| 150 | return new JsonPrimitive(src.toString()); | ||
| 151 | } | ||
| 152 | |||
| 133 | } | 153 | } |
| 134 | 154 | ||
| 155 | public static class AnswerTupleDeserializer implements JsonDeserializer<AnswerTuple> { | ||
| 156 | public AnswerTuple deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) | ||
| 157 | throws JsonParseException { | ||
| 158 | String tuplesString = json.getAsJsonPrimitive().getAsString(); | ||
| 159 | StringTokenizer tokenizer = new StringTokenizer(SEPARATOR); | ||
| 160 | GroundTerm[] terms = new GroundTerm[tokenizer.countTokens()]; | ||
| 161 | |||
| 162 | // TODO test parsing | ||
| 163 | for (int i = 0; i < tokenizer.countTokens(); i++) { | ||
| 164 | String token = tokenizer.nextToken(); | ||
| 165 | if (token.charAt(0) == '<') { | ||
| 166 | terms[i] = uk.ac.ox.cs.JRDFox.model.Individual.create(token.substring(1,token.length()-1)); | ||
| 167 | } | ||
| 168 | else if (token.charAt(0) == '"') { | ||
| 169 | Matcher matcher = owlLiteralRegex.matcher(token); | ||
| 170 | if(matcher.matches()) { | ||
| 171 | String lexicalForm = matcher.group("lexicalForm"); | ||
| 172 | String dataTypeIRI = matcher.group("dataType"); | ||
| 173 | Datatype dataType; | ||
| 174 | if (dataTypeIRI.isEmpty()) dataType = Datatype.RDF_PLAIN_LITERAL; | ||
| 175 | else dataType = uk.ac.ox.cs.JRDFox.model.Datatype.value(dataTypeIRI); | ||
| 176 | terms[i] = uk.ac.ox.cs.JRDFox.model.Literal.create(lexicalForm, dataType); | ||
| 177 | } | ||
| 178 | else { | ||
| 179 | throw new IllegalArgumentException("The given json does not represent a valid AnswerTuple"); | ||
| 180 | } | ||
| 181 | } | ||
| 182 | else { | ||
| 183 | terms[i] = uk.ac.ox.cs.JRDFox.model.BlankNode.create(token); | ||
| 184 | } | ||
| 185 | } | ||
| 186 | return new AnswerTuple(terms); | ||
| 187 | } | ||
| 188 | } | ||
| 189 | |||
| 135 | } | 190 | } |
diff --git a/src/uk/ac/ox/cs/pagoda/query/DeserializedQueryRecord.java b/src/uk/ac/ox/cs/pagoda/query/DeserializedQueryRecord.java new file mode 100644 index 0000000..3d25eaf --- /dev/null +++ b/src/uk/ac/ox/cs/pagoda/query/DeserializedQueryRecord.java | |||
| @@ -0,0 +1,9 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.query; | ||
| 2 | |||
| 3 | /* | ||
| 4 | * A light version of QueryRecord, | ||
| 5 | * which can be obtained easily from the Json serialization of QueryRecord. | ||
| 6 | * */ | ||
| 7 | public class DeserializedQueryRecord { | ||
| 8 | // TODO implement | ||
| 9 | } | ||
diff --git a/src/uk/ac/ox/cs/pagoda/query/GapByTriple.java b/src/uk/ac/ox/cs/pagoda/query/GapByTriple.java index d2e9b90..eaa629b 100644 --- a/src/uk/ac/ox/cs/pagoda/query/GapByTriple.java +++ b/src/uk/ac/ox/cs/pagoda/query/GapByTriple.java | |||
| @@ -1,36 +1,29 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.query; | 1 | package uk.ac.ox.cs.pagoda.query; |
| 2 | 2 | ||
| 3 | import java.io.BufferedWriter; | 3 | import org.semanticweb.HermiT.model.*; |
| 4 | import java.io.FileOutputStream; | 4 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; |
| 5 | import java.io.IOException; | 5 | import uk.ac.ox.cs.JRDFox.Prefixes; |
| 6 | import java.io.OutputStreamWriter; | 6 | import uk.ac.ox.cs.JRDFox.store.DataStore; |
| 7 | import java.util.Collection; | 7 | import uk.ac.ox.cs.JRDFox.store.Parameters; |
| 8 | 8 | import uk.ac.ox.cs.JRDFox.store.TupleIterator; | |
| 9 | import org.semanticweb.HermiT.model.Atom; | ||
| 10 | import org.semanticweb.HermiT.model.AtomicConcept; | ||
| 11 | import org.semanticweb.HermiT.model.AtomicRole; | ||
| 12 | import org.semanticweb.HermiT.model.DLClause; | ||
| 13 | import org.semanticweb.HermiT.model.Individual; | ||
| 14 | |||
| 15 | import uk.ac.ox.cs.pagoda.MyPrefixes; | 9 | import uk.ac.ox.cs.pagoda.MyPrefixes; |
| 16 | import uk.ac.ox.cs.pagoda.owl.OWLHelper; | 10 | import uk.ac.ox.cs.pagoda.owl.OWLHelper; |
| 17 | import uk.ac.ox.cs.pagoda.reasoner.light.BasicQueryEngine; | 11 | import uk.ac.ox.cs.pagoda.reasoner.light.BasicQueryEngine; |
| 18 | import uk.ac.ox.cs.pagoda.reasoner.light.RDFoxTripleManager; | 12 | import uk.ac.ox.cs.pagoda.reasoner.light.RDFoxTripleManager; |
| 19 | import uk.ac.ox.cs.pagoda.util.Namespace; | 13 | import uk.ac.ox.cs.pagoda.util.Namespace; |
| 20 | import uk.ac.ox.cs.pagoda.util.Utility; | 14 | import uk.ac.ox.cs.pagoda.util.Utility; |
| 21 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; | 15 | |
| 22 | import uk.ac.ox.cs.JRDFox.Prefixes; | 16 | import java.io.BufferedWriter; |
| 23 | import uk.ac.ox.cs.JRDFox.store.DataStore; | 17 | import java.io.FileOutputStream; |
| 24 | import uk.ac.ox.cs.JRDFox.store.Parameters; | 18 | import java.io.IOException; |
| 25 | import uk.ac.ox.cs.JRDFox.store.TupleIterator; | 19 | import java.io.OutputStreamWriter; |
| 20 | import java.util.Collection; | ||
| 26 | 21 | ||
| 27 | public class GapByTriple extends GapTupleIterator<String> { | 22 | public class GapByTriple extends GapTupleIterator<String> { |
| 28 | 23 | ||
| 29 | private static final String RDF_TYPE = Namespace.RDF_NS + "type"; | ||
| 30 | private static final String BRIEF_RDF_TYPE = "rdf:type"; | ||
| 31 | |||
| 32 | static final String allTripleQuery = "SELECT ?X ?Y ?Z WHERE { ?X ?Y ?Z }"; | 24 | static final String allTripleQuery = "SELECT ?X ?Y ?Z WHERE { ?X ?Y ?Z }"; |
| 33 | 25 | private static final String RDF_TYPE = Namespace.RDF_NS + "type"; | |
| 26 | private static final String BRIEF_RDF_TYPE = "rdf:type"; | ||
| 34 | DataStore lowerStore, upperStore; | 27 | DataStore lowerStore, upperStore; |
| 35 | long multi; | 28 | long multi; |
| 36 | TupleIterator iterator; | 29 | TupleIterator iterator; |
diff --git a/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java b/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java index 61b6364..bf11168 100644 --- a/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java +++ b/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java | |||
| @@ -1,10 +1,10 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.query; | 1 | package uk.ac.ox.cs.pagoda.query; |
| 2 | 2 | ||
| 3 | import java.util.Iterator; | ||
| 4 | |||
| 5 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; | 3 | import uk.ac.ox.cs.JRDFox.JRDFStoreException; |
| 6 | import uk.ac.ox.cs.JRDFox.store.DataStore; | 4 | import uk.ac.ox.cs.JRDFox.store.DataStore; |
| 7 | 5 | ||
| 6 | import java.util.Iterator; | ||
| 7 | |||
| 8 | public abstract class GapTupleIterator<T> implements Iterator<T> { | 8 | public abstract class GapTupleIterator<T> implements Iterator<T> { |
| 9 | 9 | ||
| 10 | public static final String gapPredicateSuffix = "_AUXg"; | 10 | public static final String gapPredicateSuffix = "_AUXg"; |
diff --git a/src/uk/ac/ox/cs/pagoda/query/QueryRecord.java b/src/uk/ac/ox/cs/pagoda/query/QueryRecord.java index ce92a67..fd20af1 100644 --- a/src/uk/ac/ox/cs/pagoda/query/QueryRecord.java +++ b/src/uk/ac/ox/cs/pagoda/query/QueryRecord.java | |||
| @@ -1,311 +1,345 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.query; | 1 | package uk.ac.ox.cs.pagoda.query; |
| 2 | 2 | ||
| 3 | import java.io.BufferedWriter; | 3 | import com.google.gson.*; |
| 4 | import java.io.FileNotFoundException; | 4 | import com.google.gson.reflect.TypeToken; |
| 5 | import java.io.FileOutputStream; | 5 | import org.semanticweb.HermiT.model.*; |
| 6 | import java.io.IOException; | 6 | import org.semanticweb.owlapi.model.*; |
| 7 | import java.io.OutputStreamWriter; | ||
| 8 | import java.util.Collection; | ||
| 9 | import java.util.HashMap; | ||
| 10 | import java.util.HashSet; | ||
| 11 | import java.util.Iterator; | ||
| 12 | import java.util.LinkedList; | ||
| 13 | import java.util.Map; | ||
| 14 | import java.util.Set; | ||
| 15 | |||
| 16 | import org.semanticweb.HermiT.model.Atom; | ||
| 17 | import org.semanticweb.HermiT.model.AtomicConcept; | ||
| 18 | import org.semanticweb.HermiT.model.AtomicRole; | ||
| 19 | import org.semanticweb.HermiT.model.DLClause; | ||
| 20 | import org.semanticweb.HermiT.model.DLPredicate; | ||
| 21 | import org.semanticweb.HermiT.model.Variable; | ||
| 22 | import org.semanticweb.owlapi.model.OWLAxiom; | ||
| 23 | import org.semanticweb.owlapi.model.OWLClass; | ||
| 24 | import org.semanticweb.owlapi.model.OWLClassAssertionAxiom; | ||
| 25 | import org.semanticweb.owlapi.model.OWLDataProperty; | ||
| 26 | import org.semanticweb.owlapi.model.OWLDataPropertyAssertionAxiom; | ||
| 27 | import org.semanticweb.owlapi.model.OWLIndividual; | ||
| 28 | import org.semanticweb.owlapi.model.OWLLiteral; | ||
| 29 | import org.semanticweb.owlapi.model.OWLObjectProperty; | ||
| 30 | import org.semanticweb.owlapi.model.OWLObjectPropertyAssertionAxiom; | ||
| 31 | import org.semanticweb.owlapi.model.OWLOntology; | ||
| 32 | import org.semanticweb.owlapi.model.OWLOntologyManager; | ||
| 33 | import org.semanticweb.owlapi.model.OWLOntologyStorageException; | ||
| 34 | |||
| 35 | import uk.ac.ox.cs.pagoda.hermit.DLClauseHelper; | 7 | import uk.ac.ox.cs.pagoda.hermit.DLClauseHelper; |
| 36 | import uk.ac.ox.cs.pagoda.reasoner.light.RDFoxAnswerTuples; | 8 | import uk.ac.ox.cs.pagoda.reasoner.light.RDFoxAnswerTuples; |
| 37 | import uk.ac.ox.cs.pagoda.rules.GeneralProgram; | 9 | import uk.ac.ox.cs.pagoda.rules.GeneralProgram; |
| 38 | import uk.ac.ox.cs.pagoda.util.ConjunctiveQueryHelper; | 10 | import uk.ac.ox.cs.pagoda.util.ConjunctiveQueryHelper; |
| 39 | import uk.ac.ox.cs.pagoda.util.Namespace; | 11 | import uk.ac.ox.cs.pagoda.util.Namespace; |
| 12 | import uk.ac.ox.cs.pagoda.util.PagodaProperties; | ||
| 40 | import uk.ac.ox.cs.pagoda.util.Utility; | 13 | import uk.ac.ox.cs.pagoda.util.Utility; |
| 14 | import uk.ac.ox.cs.pagoda.util.tuples.Tuple; | ||
| 15 | import uk.ac.ox.cs.pagoda.util.tuples.TupleBuilder; | ||
| 16 | |||
| 17 | import java.io.*; | ||
| 18 | import java.lang.reflect.Type; | ||
| 19 | import java.util.*; | ||
| 41 | 20 | ||
| 42 | public class QueryRecord { | 21 | public class QueryRecord { |
| 43 | 22 | ||
| 44 | public static final String botQueryText = "SELECT ?X WHERE { ?X <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Nothing> }"; | 23 | public static final String botQueryText = "SELECT ?X WHERE { ?X <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Nothing> }"; |
| 45 | 24 | public static final String SEPARATOR = "----------------------------------------"; | |
| 46 | private Step diffculty; | 25 | private static final String RDF_TYPE = "a"; //"rdf:type"; //RDF.type.toString(); |
| 47 | 26 | boolean processed = false; | |
| 48 | private String queryText; | 27 | String stringQueryID = null; |
| 49 | private int queryID = -1; | 28 | OWLOntology relevantOntology = null; |
| 50 | private String[][] answerVariables = null; | 29 | Set<DLClause> relevantClauses = new HashSet<DLClause>(); |
| 51 | private Set<AnswerTuple> soundAnswerTuples = new HashSet<AnswerTuple>(); | 30 | double[] timer; |
| 31 | int subID; | ||
| 32 | DLClause queryClause = null; | ||
| 33 | private Step difficulty; | ||
| 34 | private String queryText; | ||
| 35 | private int queryID = -1; | ||
| 36 | private String[][] answerVariables = null; | ||
| 37 | private Set<AnswerTuple> soundAnswerTuples = new HashSet<AnswerTuple>(); | ||
| 52 | private Set<AnswerTuple> gapAnswerTuples = null; | 38 | private Set<AnswerTuple> gapAnswerTuples = null; |
| 53 | 39 | private QueryManager m_manager; | |
| 54 | private QueryManager m_manager; | 40 | |
| 55 | 41 | private QueryRecord() { | |
| 42 | } | ||
| 43 | |||
| 44 | // private boolean containsAuxPredicate(String str) { | ||
| 45 | // return str.contains(Namespace.PAGODA_AUX) || str.contains("_AUX") || str.contains("owl#Nothing") || | ||
| 46 | // str.contains("internal:def"); | ||
| 47 | // } | ||
| 48 | |||
| 56 | public QueryRecord(QueryManager manager, String text, int id, int subID) { | 49 | public QueryRecord(QueryManager manager, String text, int id, int subID) { |
| 57 | m_manager =manager; | 50 | m_manager = manager; |
| 58 | resetInfo(text, id, subID); | 51 | resetInfo(text, id, subID); |
| 59 | resetTimer(); | 52 | resetTimer(); |
| 60 | } | 53 | } |
| 61 | 54 | ||
| 55 | public static Collection<String> collectQueryTexts(Collection<QueryRecord> queryRecords) { | ||
| 56 | Collection<String> texts = new LinkedList<String>(); | ||
| 57 | for(QueryRecord record : queryRecords) | ||
| 58 | texts.add(record.queryText); | ||
| 59 | return texts; | ||
| 60 | } | ||
| 61 | |||
| 62 | public void resetInfo(String text, int id, int subid) { | 62 | public void resetInfo(String text, int id, int subid) { |
| 63 | queryID = id; | 63 | queryID = id; |
| 64 | subID = subid; | 64 | subID = subid; |
| 65 | stringQueryID = id + (subID == 0 ? "" : "_" + subID); | 65 | stringQueryID = id + (subID == 0 ? "" : "_" + subID); |
| 66 | m_manager.remove(queryText); | 66 | m_manager.remove(queryText); |
| 67 | m_manager.put(text, this); | 67 | m_manager.put(text, this); |
| 68 | queryClause = null; | 68 | queryClause = null; |
| 69 | answerVariables = ConjunctiveQueryHelper.getAnswerVariables(text); | 69 | answerVariables = ConjunctiveQueryHelper.getAnswerVariables(text); |
| 70 | queryText = text; // .replace("_:", "?"); | 70 | queryText = text; // .replace("_:", "?"); |
| 71 | } | 71 | } |
| 72 | 72 | ||
| 73 | public void resetTimer() { | 73 | public void resetTimer() { |
| 74 | int length = Step.values().length; | 74 | int length = Step.values().length; |
| 75 | timer = new double[length]; | 75 | timer = new double[length]; |
| 76 | for (int i = 0; i < length; ++i) timer[i] = 0; | 76 | for(int i = 0; i < length; ++i) timer[i] = 0; |
| 77 | } | 77 | } |
| 78 | 78 | ||
| 79 | public AnswerTuples getAnswers() { | 79 | public AnswerTuples getAnswers() { |
| 80 | if (processed()) | 80 | if(isProcessed()) |
| 81 | return getLowerBoundAnswers(); | 81 | return getLowerBoundAnswers(); |
| 82 | 82 | ||
| 83 | return getUpperBoundAnswers(); | 83 | return getUpperBoundAnswers(); |
| 84 | } | 84 | } |
| 85 | 85 | ||
| 86 | public AnswerTuples getLowerBoundAnswers() { | 86 | public AnswerTuples getLowerBoundAnswers() { |
| 87 | return new AnswerTuplesImp(answerVariables[0], soundAnswerTuples); | 87 | return new AnswerTuplesImp(answerVariables[0], soundAnswerTuples); |
| 88 | } | 88 | } |
| 89 | 89 | ||
| 90 | public AnswerTuples getUpperBoundAnswers() { | 90 | public AnswerTuples getUpperBoundAnswers() { |
| 91 | return new AnswerTuplesImp(answerVariables[0], soundAnswerTuples, gapAnswerTuples); | 91 | return new AnswerTuplesImp(answerVariables[0], soundAnswerTuples, gapAnswerTuples); |
| 92 | } | 92 | } |
| 93 | 93 | ||
| 94 | public boolean updateLowerBoundAnswers(AnswerTuples answerTuples) { | 94 | public boolean updateLowerBoundAnswers(AnswerTuples answerTuples) { |
| 95 | if (answerTuples == null) return false; | 95 | if(answerTuples == null) return false; |
| 96 | boolean update = false; | 96 | boolean update = false; |
| 97 | for (AnswerTuple tuple; answerTuples.isValid(); answerTuples.moveNext()) { | 97 | for(AnswerTuple tuple; answerTuples.isValid(); answerTuples.moveNext()) { |
| 98 | tuple = answerTuples.getTuple(); | 98 | tuple = answerTuples.getTuple(); |
| 99 | if (!soundAnswerTuples.contains(tuple) && (gapAnswerTuples == null || gapAnswerTuples.contains(tuple))) { | 99 | if(!soundAnswerTuples.contains(tuple) && (gapAnswerTuples == null || gapAnswerTuples.contains(tuple))) { |
| 100 | soundAnswerTuples.add(tuple); | 100 | soundAnswerTuples.add(tuple); |
| 101 | if (gapAnswerTuples != null) | 101 | if(gapAnswerTuples != null) |
| 102 | gapAnswerTuples.remove(tuple); | 102 | gapAnswerTuples.remove(tuple); |
| 103 | update = true; | 103 | update = true; |
| 104 | } | 104 | } |
| 105 | } | 105 | } |
| 106 | Utility.logInfo("The number of answers in the lower bound: " + soundAnswerTuples.size()); | ||
| 107 | 106 | ||
| 108 | return update; | 107 | if(soundAnswerTuples.isEmpty()) |
| 108 | Utility.logInfo("Lower bound answers empty"); | ||
| 109 | else if(update) | ||
| 110 | Utility.logInfo("Lower bound answers updated: " + soundAnswerTuples.size()); | ||
| 111 | else | ||
| 112 | Utility.logInfo("Lower bound answers unchanged"); | ||
| 113 | |||
| 114 | return update; | ||
| 109 | } | 115 | } |
| 110 | 116 | ||
| 111 | public boolean updateUpperBoundAnswers(AnswerTuples answerTuples) { | 117 | public boolean updateUpperBoundAnswers(AnswerTuples answerTuples) { |
| 112 | return updateUpperBoundAnswers(answerTuples, false); | 118 | return updateUpperBoundAnswers(answerTuples, false); |
| 113 | } | 119 | } |
| 114 | 120 | ||
| 115 | public boolean updateUpperBoundAnswers(AnswerTuples answerTuples, boolean toCheckAux) { | 121 | public boolean updateUpperBoundAnswers(AnswerTuples answerTuples, boolean toCheckAux) { |
| 116 | RDFoxAnswerTuples rdfAnswerTuples; | 122 | if(!(answerTuples instanceof RDFoxAnswerTuples)) { |
| 117 | if (answerTuples instanceof RDFoxAnswerTuples) | 123 | String msg = "The upper bound must be computed by RDFox!"; |
| 118 | rdfAnswerTuples = (RDFoxAnswerTuples) answerTuples; | 124 | Utility.logError(msg); |
| 119 | else { | 125 | throw new IllegalArgumentException(msg); |
| 120 | Utility.logError("The upper bound must be computed by RDFox!"); | ||
| 121 | return false; | ||
| 122 | } | 126 | } |
| 123 | 127 | ||
| 124 | if (soundAnswerTuples.size() > 0) { | 128 | RDFoxAnswerTuples rdfoxAnswerTuples = (RDFoxAnswerTuples) answerTuples; |
| 125 | int number = 0; | 129 | |
| 126 | for (; answerTuples.isValid(); answerTuples.moveNext()) { | 130 | Set<AnswerTuple> candidateGapAnswerTuples = new HashSet<AnswerTuple>(); |
| 127 | ++number; | 131 | AnswerTuple tuple; |
| 128 | } | 132 | for(; rdfoxAnswerTuples.isValid(); rdfoxAnswerTuples.moveNext()) { |
| 129 | Utility.logInfo("The number of answers returned by the upper bound: " + number); | 133 | tuple = rdfoxAnswerTuples.getTuple(); |
| 130 | if (number <= soundAnswerTuples.size()) { | 134 | if(isBottom() || !tuple.hasAnonymousIndividual()) |
| 131 | if (gapAnswerTuples != null) gapAnswerTuples.clear(); | 135 | if((!toCheckAux || !tuple.hasAuxPredicate()) && !soundAnswerTuples.contains(tuple)) |
| 132 | else gapAnswerTuples = new HashSet<AnswerTuple>(); | 136 | candidateGapAnswerTuples.add(tuple); |
| 133 | |||
| 134 | Utility.logInfo("The number of answers in the upper bound: " + (soundAnswerTuples.size() + gapAnswerTuples.size())); | ||
| 135 | return false; | ||
| 136 | } | ||
| 137 | answerTuples.reset(); | ||
| 138 | } | 137 | } |
| 139 | 138 | ||
| 140 | boolean justCheck = (answerTuples.getArity() != answerVariables[1].length); | 139 | /*** START: debugging ***/ |
| 141 | 140 | if(PagodaProperties.isDebuggingMode()) { | |
| 142 | Set<AnswerTuple> tupleSet = new HashSet<AnswerTuple>(); | 141 | if(rdfoxAnswerTuples.getArity() != getAnswerVariables().length) |
| 143 | AnswerTuple tuple, extendedTuple; | 142 | throw new IllegalArgumentException( |
| 144 | for (; answerTuples.isValid(); answerTuples.moveNext()) { | 143 | "The arity of answers (" + rdfoxAnswerTuples.getArity() + ") " + |
| 145 | extendedTuple = rdfAnswerTuples.getTuple(); | 144 | "is different from the number of answer variables (" + |
| 146 | if (isBottom() || !extendedTuple.hasAnonyIndividual()) { | 145 | getAnswerVariables().length + ")"); |
| 147 | tuple = AnswerTuple.create(extendedTuple, answerVariables[0].length); | 146 | |
| 148 | if ((!toCheckAux || !tuple.hasAuxPredicate()) && !soundAnswerTuples.contains(tuple)) { | 147 | Set<AnswerTuple> namedAnswerTuples = new HashSet<>(); |
| 149 | if (!toCheckAux && justCheck) return false; | 148 | rdfoxAnswerTuples.reset(); |
| 150 | tupleSet.add(extendedTuple); | 149 | for(; rdfoxAnswerTuples.isValid(); rdfoxAnswerTuples.moveNext()) { |
| 151 | } | 150 | tuple = rdfoxAnswerTuples.getTuple(); |
| 151 | // if(isBottom() || !tuple.hasAnonymousIndividual()) { | ||
| 152 | namedAnswerTuples.add(tuple); | ||
| 153 | // } | ||
| 152 | } | 154 | } |
| 155 | HashSet<AnswerTuple> difference = new HashSet<>(soundAnswerTuples); | ||
| 156 | difference.removeAll(namedAnswerTuples); | ||
| 157 | if(!difference.isEmpty()) | ||
| 158 | throw new IllegalArgumentException("The upper bound does not contain the lower bound! Missing answers: " + difference | ||
| 159 | .size()); | ||
| 153 | } | 160 | } |
| 154 | 161 | /*** END: debugging ***/ | |
| 155 | if (gapAnswerTuples == null) { | 162 | |
| 156 | gapAnswerTuples = tupleSet; | 163 | boolean update; |
| 157 | 164 | if(gapAnswerTuples == null) { | |
| 158 | Utility.logInfo("The number of answers in the upper bound: " + (soundAnswerTuples.size() + gapAnswerTuples.size())); | 165 | gapAnswerTuples = candidateGapAnswerTuples; |
| 159 | return true; | 166 | update = true; |
| 160 | } | 167 | } else { |
| 161 | 168 | update = gapAnswerTuples.retainAll(candidateGapAnswerTuples); | |
| 162 | boolean update = false; | ||
| 163 | for (Iterator<AnswerTuple> iter = gapAnswerTuples.iterator(); iter.hasNext(); ) { | ||
| 164 | tuple = iter.next(); | ||
| 165 | if (!tupleSet.contains(tuple)) { | ||
| 166 | iter.remove(); | ||
| 167 | update = true; | ||
| 168 | } | ||
| 169 | } | 169 | } |
| 170 | 170 | ||
| 171 | Utility.logInfo("The number of answers in the upper bound: " + (soundAnswerTuples.size() + gapAnswerTuples.size())); | 171 | if(update) |
| 172 | 172 | Utility.logInfo("Upper bound answers updated: " + getNumberOfAnswers()); | |
| 173 | return update; | 173 | else |
| 174 | Utility.logInfo("Upper bound answers unchanged"); | ||
| 175 | |||
| 176 | return update; | ||
| 177 | |||
| 178 | // boolean update = false; | ||
| 179 | // for(Iterator<AnswerTuple> iter = gapAnswerTuples.iterator(); iter.hasNext(); ) { | ||
| 180 | // tuple = iter.next(); | ||
| 181 | // if(!candidateGapAnswerTuples.contains(tuple)) { | ||
| 182 | // iter.remove(); | ||
| 183 | // update = true; | ||
| 184 | // } | ||
| 185 | // } | ||
| 174 | } | 186 | } |
| 175 | |||
| 176 | // private boolean containsAuxPredicate(String str) { | ||
| 177 | // return str.contains(Namespace.PAGODA_AUX) || str.contains("_AUX") || str.contains("owl#Nothing") || | ||
| 178 | // str.contains("internal:def"); | ||
| 179 | // } | ||
| 180 | 187 | ||
| 181 | boolean processed = false; | 188 | public int getNumberOfAnswers() { |
| 189 | return soundAnswerTuples.size() + gapAnswerTuples.size(); | ||
| 190 | } | ||
| 182 | 191 | ||
| 183 | public void markAsProcessed() { | 192 | public void markAsProcessed() { |
| 184 | processed = true; | 193 | processed = true; |
| 185 | } | 194 | } |
| 186 | 195 | ||
| 187 | public boolean processed() { | 196 | public boolean isProcessed() { |
| 188 | if (gapAnswerTuples != null && gapAnswerTuples.isEmpty()) processed = true; | 197 | if(gapAnswerTuples != null && gapAnswerTuples.isEmpty()) processed = true; |
| 189 | return processed; | 198 | return processed; |
| 190 | } | 199 | } |
| 191 | 200 | ||
| 192 | public String[] getDistinguishedVariables() { | 201 | public String[] getDistinguishedVariables() { |
| 193 | return answerVariables[1]; | 202 | return answerVariables[1]; |
| 194 | } | 203 | } |
| 195 | 204 | ||
| 196 | public String[] getAnswerVariables() { | 205 | public String[] getAnswerVariables() { |
| 197 | return answerVariables[0]; | 206 | return answerVariables[0]; |
| 198 | } | 207 | } |
| 199 | 208 | ||
| 200 | public String[][] getVariables() { | 209 | public String[][] getVariables() { |
| 201 | return answerVariables; | 210 | return answerVariables; |
| 202 | } | 211 | } |
| 203 | 212 | ||
| 204 | public String getQueryText() { | 213 | public String getQueryText() { |
| 205 | return queryText; | 214 | return queryText; |
| 206 | } | 215 | } |
| 207 | 216 | ||
| 208 | String stringQueryID = null; | ||
| 209 | |||
| 210 | public String getQueryID() { | 217 | public String getQueryID() { |
| 211 | return stringQueryID; | 218 | return stringQueryID; |
| 212 | } | 219 | } |
| 213 | 220 | ||
| 214 | public AnswerTuples getGapAnswers() { | 221 | public AnswerTuples getGapAnswers() { |
| 215 | return new AnswerTuplesImp(answerVariables[0], gapAnswerTuples); | 222 | return new AnswerTuplesImp(answerVariables[0], gapAnswerTuples); |
| 216 | } | 223 | } |
| 217 | 224 | ||
| 218 | public String toString() { | 225 | public String toString() { |
| 219 | return queryText; | 226 | return queryText; |
| 220 | } | 227 | } |
| 221 | |||
| 222 | public static final String SEPARATOR = "----------------------------------------"; | ||
| 223 | 228 | ||
| 224 | public void outputAnswers(BufferedWriter writer) throws IOException { | 229 | public void outputAnswers(BufferedWriter writer) throws IOException { |
| 225 | 230 | ||
| 226 | int answerCounter = soundAnswerTuples.size(); | 231 | int answerCounter = soundAnswerTuples.size(); |
| 227 | if (!processed()) answerCounter += gapAnswerTuples.size(); | 232 | if(!isProcessed()) answerCounter += gapAnswerTuples.size(); |
| 228 | 233 | ||
| 229 | Utility.logInfo("The number of answer tuples: " + answerCounter); | 234 | Utility.logInfo("The number of answer tuples: " + answerCounter); |
| 230 | 235 | ||
| 231 | if (writer != null) { | 236 | if (writer != null) { |
| 232 | writer.write("-------------- Query " + queryID + " ---------------------"); | 237 | writer.write("-------------- Query " + queryID + " ---------------------"); |
| 233 | writer.newLine(); | 238 | writer.newLine(); |
| 234 | writer.write(queryText); | 239 | writer.write(queryText); |
| 235 | writer.newLine(); | 240 | writer.newLine(); |
| 236 | StringBuilder space = new StringBuilder(); | 241 | StringBuilder space = new StringBuilder(); |
| 237 | int arity = getArity(), varSpace = 0; | 242 | int arity = getArity(), varSpace = 0; |
| 238 | for (int i = 0; i < arity; ++i) | 243 | for (int i = 0; i < arity; ++i) |
| 239 | varSpace += answerVariables[0][i].length(); | 244 | varSpace += answerVariables[0][i].length(); |
| 240 | for (int i = 0; i < (SEPARATOR.length() - varSpace) / (arity + 1); ++i) | 245 | for (int i = 0; i < (SEPARATOR.length() - varSpace) / (arity + 1); ++i) |
| 241 | space.append(" "); | 246 | space.append(" "); |
| 242 | for (int i = 0; i < getArity(); ++i) { | 247 | for (int i = 0; i < getArity(); ++i) { |
| 243 | writer.write(space.toString()); | 248 | writer.write(space.toString()); |
| 244 | writer.write(answerVariables[0][i]); | 249 | writer.write(answerVariables[0][i]); |
| 245 | } | 250 | } |
| 246 | writer.newLine(); | 251 | writer.newLine(); |
| 247 | writer.write(SEPARATOR); | 252 | writer.write(SEPARATOR); |
| 248 | writer.newLine(); | 253 | writer.newLine(); |
| 249 | for (AnswerTuple tuple: soundAnswerTuples) { | 254 | for (AnswerTuple tuple: soundAnswerTuples) { |
| 250 | writer.write(tuple.toString()); | 255 | writer.write(tuple.toString()); |
| 251 | writer.newLine(); | 256 | writer.newLine(); |
| 252 | } | 257 | } |
| 253 | if (!processed()) | 258 | if(!isProcessed()) |
| 254 | for (AnswerTuple tuple: gapAnswerTuples) { | 259 | for (AnswerTuple tuple: gapAnswerTuples) { |
| 255 | writer.write("*"); | 260 | writer.write("*"); |
| 256 | writer.write(tuple.toString()); | 261 | writer.write(tuple.toString()); |
| 257 | writer.newLine(); | 262 | writer.newLine(); |
| 258 | } | 263 | } |
| 259 | // writer.write(SEPARATOR); | 264 | // writer.write(SEPARATOR); |
| 260 | writer.newLine(); | 265 | writer.newLine(); |
| 261 | } | 266 | } |
| 262 | 267 | ||
| 263 | } | 268 | } |
| 264 | 269 | ||
| 270 | public void outputAnswerStatistics() { | ||
| 271 | |||
| 272 | int answerCounter = soundAnswerTuples.size(); | ||
| 273 | if(!isProcessed()) answerCounter += gapAnswerTuples.size(); | ||
| 274 | |||
| 275 | Utility.logInfo("The number of answer tuples: " + answerCounter); | ||
| 276 | // if (jsonAnswers != null) { | ||
| 277 | // JSONObject jsonAnswer = new JSONObject(); | ||
| 278 | // | ||
| 279 | // jsonAnswer.put("queryID", queryID); | ||
| 280 | // jsonAnswer.put("queryText", queryText); | ||
| 281 | // | ||
| 282 | // JSONArray answerVars = new JSONArray(); | ||
| 283 | // int arity = getArity(), varSpace = 0; | ||
| 284 | // for (int i = 0; i < getArity(); i++) | ||
| 285 | // answerVars.add(answerVariables[0][i]); | ||
| 286 | // jsonAnswer.put("answerVars", answerVars); | ||
| 287 | // | ||
| 288 | // JSONArray answerTuples = new JSONArray(); | ||
| 289 | // soundAnswerTuples.stream().forEach(t -> answerTuples.add(t)); | ||
| 290 | // jsonAnswer.put("answerTuples", answerTuples); | ||
| 291 | // | ||
| 292 | // if (!processed) { | ||
| 293 | // JSONArray gapAnswerTuples = new JSONArray(); | ||
| 294 | // gapAnswerTuples.stream().forEach(t -> gapAnswerTuples.add(t)); | ||
| 295 | // } | ||
| 296 | // jsonAnswer.put("gapAnswerTuples", gapAnswerTuples); | ||
| 297 | // | ||
| 298 | // jsonAnswers.put(Integer.toString(queryID), jsonAnswer); | ||
| 299 | // } | ||
| 300 | } | ||
| 301 | |||
| 265 | public void outputTimes() { | 302 | public void outputTimes() { |
| 266 | for (Step step: Step.values()) { | 303 | for (Step step: Step.values()) { |
| 267 | Utility.logDebug("time for " + step + ": " + timer[step.ordinal()]); | 304 | Utility.logDebug("time for " + step + ": " + timer[step.ordinal()]); |
| 268 | } | 305 | } |
| 269 | } | 306 | } |
| 270 | 307 | ||
| 271 | public String outputSoundAnswerTuple() { | 308 | public String outputSoundAnswerTuple() { |
| 272 | StringBuilder builder = new StringBuilder(); | 309 | StringBuilder builder = new StringBuilder(); |
| 273 | for (AnswerTuple tuple: soundAnswerTuples) | 310 | for (AnswerTuple tuple: soundAnswerTuples) |
| 274 | builder.append(tuple.toString()).append(Utility.LINE_SEPARATOR); | 311 | builder.append(tuple.toString()).append(Utility.LINE_SEPARATOR); |
| 275 | return builder.toString(); | 312 | return builder.toString(); |
| 276 | } | 313 | } |
| 277 | 314 | ||
| 278 | public String outputGapAnswerTuple() { | 315 | public String outputGapAnswerTuple() { |
| 279 | StringBuilder builder = new StringBuilder(); | 316 | StringBuilder builder = new StringBuilder(); |
| 280 | for (AnswerTuple tuple: gapAnswerTuples) | 317 | for(AnswerTuple tuple : gapAnswerTuples) |
| 281 | builder.append(tuple.toString()).append(Utility.LINE_SEPARATOR); | 318 | builder.append(tuple.toString()).append(Utility.LINE_SEPARATOR); |
| 282 | return builder.toString(); | 319 | return builder.toString(); |
| 283 | } | ||
| 284 | |||
| 285 | public void setDifficulty(Step step) { | ||
| 286 | this.diffculty = step; | ||
| 287 | } | 320 | } |
| 288 | 321 | ||
| 289 | public Step getDifficulty() { | 322 | public Step getDifficulty() { |
| 290 | return diffculty; | 323 | return difficulty; |
| 291 | } | 324 | } |
| 292 | 325 | ||
| 293 | OWLOntology relevantOntology = null; | 326 | public void setDifficulty(Step step) { |
| 294 | Set<DLClause> relevantClauses = new HashSet<DLClause>(); | 327 | this.difficulty = step; |
| 295 | |||
| 296 | public void setRelevantOntology(OWLOntology knowledgebase) { | ||
| 297 | relevantOntology = knowledgebase; | ||
| 298 | } | 328 | } |
| 299 | 329 | ||
| 300 | public OWLOntology getRelevantOntology() { | 330 | public OWLOntology getRelevantOntology() { |
| 301 | return relevantOntology; | 331 | return relevantOntology; |
| 332 | } | ||
| 333 | |||
| 334 | public void setRelevantOntology(OWLOntology knowledgebase) { | ||
| 335 | relevantOntology = knowledgebase; | ||
| 302 | } | 336 | } |
| 303 | 337 | ||
| 304 | public void saveRelevantOntology(String filename) { | 338 | public void saveRelevantOntology(String filename) { |
| 305 | if (relevantOntology == null) return ; | 339 | if(relevantOntology == null) return; |
| 306 | OWLOntologyManager manager = relevantOntology.getOWLOntologyManager(); | 340 | OWLOntologyManager manager = relevantOntology.getOWLOntologyManager(); |
| 307 | try { | 341 | try { |
| 308 | FileOutputStream outputStream = new FileOutputStream(filename); | 342 | FileOutputStream outputStream = new FileOutputStream(filename); |
| 309 | manager.saveOntology(relevantOntology, outputStream); | 343 | manager.saveOntology(relevantOntology, outputStream); |
| 310 | outputStream.close(); | 344 | outputStream.close(); |
| 311 | } catch (OWLOntologyStorageException e) { | 345 | } catch (OWLOntologyStorageException e) { |
| @@ -318,12 +352,11 @@ public class QueryRecord { | |||
| 318 | } | 352 | } |
| 319 | 353 | ||
| 320 | public void saveRelevantClause() { | 354 | public void saveRelevantClause() { |
| 321 | if (relevantClauses == null) return ; | 355 | if(relevantClauses == null) return; |
| 322 | GeneralProgram p = new GeneralProgram(relevantClauses, relevantOntology); | 356 | GeneralProgram p = new GeneralProgram(relevantClauses, relevantOntology); |
| 323 | p.save(); | 357 | p.save(); |
| 324 | } | 358 | } |
| 325 | 359 | ||
| 326 | |||
| 327 | public void removeUpperBoundAnswers(Collection<AnswerTuple> answers) { | 360 | public void removeUpperBoundAnswers(Collection<AnswerTuple> answers) { |
| 328 | for (AnswerTuple answer: answers) { | 361 | for (AnswerTuple answer: answers) { |
| 329 | // if (soundAnswerTuples.contains(answer)) | 362 | // if (soundAnswerTuples.contains(answer)) |
| @@ -334,50 +367,37 @@ public class QueryRecord { | |||
| 334 | } | 367 | } |
| 335 | } | 368 | } |
| 336 | 369 | ||
| 337 | |||
| 338 | public void addLowerBoundAnswers(Collection<AnswerTuple> answers) { | 370 | public void addLowerBoundAnswers(Collection<AnswerTuple> answers) { |
| 339 | for (AnswerTuple answer: answers) { | 371 | for (AnswerTuple answer: answers) { |
| 340 | if (!gapAnswerTuples.contains(answer)) | 372 | if (!gapAnswerTuples.contains(answer)) |
| 341 | Utility.logError("The answer (" + answer + ") cannot be added, because it is not in the upper bound."); | 373 | Utility.logError("The answer (" + answer + ") cannot be added, because it is not in the upper bound."); |
| 342 | gapAnswerTuples.remove(answer); | 374 | gapAnswerTuples.remove(answer); |
| 343 | 375 | ||
| 344 | answer = AnswerTuple.create(answer, answerVariables[0].length); | 376 | answer = AnswerTuple.getInstance(answer, answerVariables[0].length); |
| 345 | // if (soundAnswerTuples.contains(answer)) | 377 | // if (soundAnswerTuples.contains(answer)) |
| 346 | // Utility.logError("The answer (" + answer + ") cannot be added, because it is in the lower bound."); | 378 | // Utility.logError("The answer (" + answer + ") cannot be added, because it is in the lower bound."); |
| 347 | soundAnswerTuples.add(answer); | 379 | soundAnswerTuples.add(answer); |
| 348 | } | 380 | } |
| 349 | } | 381 | } |
| 350 | 382 | ||
| 351 | public int getNoOfSoundAnswers() { | 383 | public int getNoOfSoundAnswers() { |
| 352 | return soundAnswerTuples.size(); | 384 | return soundAnswerTuples.size(); |
| 353 | } | 385 | } |
| 354 | |||
| 355 | public enum Step {LowerBound, UpperBound, ELLowerBound, | ||
| 356 | Fragment, FragmentRefinement, Summarisation, Dependency, FullReasoning}; | ||
| 357 | |||
| 358 | double[] timer; | ||
| 359 | 386 | ||
| 360 | public void addProcessingTime(Step step, double time) { | 387 | public void addProcessingTime(Step step, double time) { |
| 361 | timer[step.ordinal()] += time; | 388 | timer[step.ordinal()] += time; |
| 362 | } | 389 | } |
| 363 | 390 | ||
| 364 | public int getArity() { | 391 | public int getArity() { |
| 365 | return answerVariables[0].length; | 392 | return answerVariables[0].length; |
| 366 | } | 393 | } |
| 367 | |||
| 368 | public static Collection<String> collectQueryTexts(Collection<QueryRecord> queryRecords) { | ||
| 369 | Collection<String> texts = new LinkedList<String>(); | ||
| 370 | for (QueryRecord record: queryRecords) | ||
| 371 | texts.add(record.queryText); | ||
| 372 | return texts; | ||
| 373 | } | ||
| 374 | 394 | ||
| 375 | public void addRelevantClauses(DLClause clause) { | 395 | public void addRelevantClauses(DLClause clause) { |
| 376 | relevantClauses.add(clause); | 396 | relevantClauses.add(clause); |
| 377 | } | 397 | } |
| 378 | 398 | ||
| 379 | public Set<DLClause> getRelevantClauses() { | 399 | public Set<DLClause> getRelevantClauses() { |
| 380 | return relevantClauses; | 400 | return relevantClauses; |
| 381 | } | 401 | } |
| 382 | 402 | ||
| 383 | public void clearClauses() { | 403 | public void clearClauses() { |
| @@ -388,36 +408,40 @@ public class QueryRecord { | |||
| 388 | for (DLClause clause: relevantClauses) | 408 | for (DLClause clause: relevantClauses) |
| 389 | if (clause.getHeadLength() > 1) | 409 | if (clause.getHeadLength() > 1) |
| 390 | return false; | 410 | return false; |
| 391 | return true; | 411 | return true; |
| 392 | } | 412 | } |
| 393 | 413 | ||
| 394 | public void saveABoxInTurtle(String filename) { | 414 | public void saveABoxInTurtle(String filename) { |
| 395 | try { | 415 | try { |
| 396 | BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filename))); | 416 | BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filename))); |
| 397 | OWLIndividual a, b; | 417 | OWLIndividual a, b; |
| 398 | StringBuilder builder = new StringBuilder(); | 418 | StringBuilder builder = new StringBuilder(); |
| 399 | for (OWLAxiom axiom: relevantOntology.getABoxAxioms(true)) { | 419 | for (OWLAxiom axiom: relevantOntology.getABoxAxioms(true)) { |
| 400 | if (axiom instanceof OWLClassAssertionAxiom) { | 420 | if (axiom instanceof OWLClassAssertionAxiom) { |
| 401 | OWLClassAssertionAxiom classAssertion = (OWLClassAssertionAxiom) axiom; | 421 | OWLClassAssertionAxiom classAssertion = (OWLClassAssertionAxiom) axiom; |
| 402 | OWLClass c = (OWLClass) classAssertion.getClassExpression(); | 422 | OWLClass c = (OWLClass) classAssertion.getClassExpression(); |
| 403 | a = classAssertion.getIndividual(); | 423 | a = classAssertion.getIndividual(); |
| 404 | builder.append(a.toString()).append(" <").append(Namespace.RDF_TYPE).append("> ").append(c.toString()); | 424 | builder.append(a.toString()) |
| 425 | .append(" <") | ||
| 426 | .append(Namespace.RDF_TYPE) | ||
| 427 | .append("> ") | ||
| 428 | .append(c.toString()); | ||
| 405 | } | 429 | } |
| 406 | else if (axiom instanceof OWLObjectPropertyAssertionAxiom) { | 430 | else if (axiom instanceof OWLObjectPropertyAssertionAxiom) { |
| 407 | OWLObjectPropertyAssertionAxiom propertyAssertion = (OWLObjectPropertyAssertionAxiom) axiom; | 431 | OWLObjectPropertyAssertionAxiom propertyAssertion = (OWLObjectPropertyAssertionAxiom) axiom; |
| 408 | OWLObjectProperty p = (OWLObjectProperty) propertyAssertion.getProperty(); | 432 | OWLObjectProperty p = (OWLObjectProperty) propertyAssertion.getProperty(); |
| 409 | a = propertyAssertion.getSubject(); | 433 | a = propertyAssertion.getSubject(); |
| 410 | b = propertyAssertion.getObject(); | 434 | b = propertyAssertion.getObject(); |
| 411 | builder.append(a.toString()).append(" ").append(p.toString()).append(" ").append(b.toString()); | 435 | builder.append(a.toString()).append(" ").append(p.toString()).append(" ").append(b.toString()); |
| 412 | } | 436 | } |
| 413 | else if (axiom instanceof OWLDataPropertyAssertionAxiom) { | 437 | else if (axiom instanceof OWLDataPropertyAssertionAxiom) { |
| 414 | OWLDataPropertyAssertionAxiom propertyAssertion = (OWLDataPropertyAssertionAxiom) axiom; | 438 | OWLDataPropertyAssertionAxiom propertyAssertion = (OWLDataPropertyAssertionAxiom) axiom; |
| 415 | OWLDataProperty p = (OWLDataProperty) propertyAssertion.getProperty(); | 439 | OWLDataProperty p = (OWLDataProperty) propertyAssertion.getProperty(); |
| 416 | a = propertyAssertion.getSubject(); | 440 | a = propertyAssertion.getSubject(); |
| 417 | OWLLiteral l = propertyAssertion.getObject(); | 441 | OWLLiteral l = propertyAssertion.getObject(); |
| 418 | builder.append(a.toString()).append(" ").append(p.toString()).append(" ").append(l.toString()); | 442 | builder.append(a.toString()).append(" ").append(p.toString()).append(" ").append(l.toString()); |
| 419 | } | 443 | } |
| 420 | 444 | ||
| 421 | writer.write(builder.toString()); | 445 | writer.write(builder.toString()); |
| 422 | writer.write(" ."); | 446 | writer.write(" ."); |
| 423 | writer.newLine(); | 447 | writer.newLine(); |
| @@ -427,23 +451,19 @@ public class QueryRecord { | |||
| 427 | } catch (IOException e) { | 451 | } catch (IOException e) { |
| 428 | e.printStackTrace(); | 452 | e.printStackTrace(); |
| 429 | } finally { | 453 | } finally { |
| 430 | 454 | ||
| 431 | } | 455 | } |
| 432 | } | 456 | } |
| 433 | |||
| 434 | int subID; | ||
| 435 | 457 | ||
| 436 | public void updateSubID() { | 458 | public void updateSubID() { |
| 437 | ++subID; | 459 | ++subID; |
| 438 | stringQueryID = String.valueOf(queryID) + "_" + subID; | 460 | stringQueryID = String.valueOf(queryID) + "_" + subID; |
| 439 | } | 461 | } |
| 440 | |||
| 441 | DLClause queryClause = null; | ||
| 442 | 462 | ||
| 443 | public DLClause getClause() { | 463 | public DLClause getClause() { |
| 444 | if (queryClause != null) | 464 | if (queryClause != null) |
| 445 | return queryClause; | 465 | return queryClause; |
| 446 | return queryClause = DLClauseHelper.getQuery(queryText, null); | 466 | return queryClause = DLClauseHelper.getQuery(queryText, null); |
| 447 | } | 467 | } |
| 448 | 468 | ||
| 449 | public boolean isBottom() { | 469 | public boolean isBottom() { |
| @@ -453,19 +473,19 @@ public class QueryRecord { | |||
| 453 | public int getNoOfCompleteAnswers() { | 473 | public int getNoOfCompleteAnswers() { |
| 454 | return soundAnswerTuples.size() + gapAnswerTuples.size(); | 474 | return soundAnswerTuples.size() + gapAnswerTuples.size(); |
| 455 | } | 475 | } |
| 456 | 476 | ||
| 457 | public int getSubID() { | 477 | public int getSubID() { |
| 458 | return subID; | 478 | return subID; |
| 459 | } | 479 | } |
| 460 | 480 | ||
| 461 | public boolean hasSameGapAnswers(QueryRecord that) { | 481 | public boolean hasSameGapAnswers(QueryRecord that) { |
| 462 | return gapAnswerTuples.containsAll(that.gapAnswerTuples) && that.gapAnswerTuples.containsAll(gapAnswerTuples); | 482 | return gapAnswerTuples.containsAll(that.gapAnswerTuples) && that.gapAnswerTuples.containsAll(gapAnswerTuples); |
| 463 | } | 483 | } |
| 464 | 484 | ||
| 465 | public void dispose() { | 485 | public void dispose() { |
| 466 | m_manager.remove(queryText); | 486 | m_manager.remove(queryText); |
| 467 | if (gapAnswerTuples != null) gapAnswerTuples = null; | 487 | if(gapAnswerTuples != null) gapAnswerTuples = null; |
| 468 | if (soundAnswerTuples != null) soundAnswerTuples = null; | 488 | if(soundAnswerTuples != null) soundAnswerTuples = null; |
| 469 | if (relevantClauses != null) relevantClauses.clear(); | 489 | if (relevantClauses != null) relevantClauses.clear(); |
| 470 | if (relevantOntology != null) | 490 | if (relevantOntology != null) |
| 471 | relevantOntology.getOWLOntologyManager().removeOntology(relevantOntology); | 491 | relevantOntology.getOWLOntologyManager().removeOntology(relevantOntology); |
| @@ -473,75 +493,85 @@ public class QueryRecord { | |||
| 473 | } | 493 | } |
| 474 | 494 | ||
| 475 | public boolean canBeEncodedIntoAtom() { | 495 | public boolean canBeEncodedIntoAtom() { |
| 476 | // FIXME | 496 | // FIXME |
| 477 | return true; | 497 | return true; |
| 478 | // return false; | 498 | // return false; |
| 479 | } | 499 | } |
| 480 | 500 | ||
| 481 | public boolean isPredicate(AnswerTuple a, int i) { | 501 | public boolean isPredicate(AnswerTuple a, int i) { |
| 482 | Atom[] atoms = getClause().getBodyAtoms(); | 502 | Atom[] atoms = getClause().getBodyAtoms(); |
| 483 | Variable v = Variable.create(answerVariables[1][i]); | 503 | Variable v = Variable.create(answerVariables[1][i]); |
| 484 | String iri; | 504 | String iri; |
| 485 | for (Atom atom: atoms) { | 505 | for(Atom atom : atoms) { |
| 486 | DLPredicate p = atom.getDLPredicate(); | 506 | DLPredicate p = atom.getDLPredicate(); |
| 487 | if (p instanceof AtomicConcept) { | 507 | if (p instanceof AtomicConcept) { |
| 488 | if (((AtomicConcept) p).getIRI().equals(v.toString())) return true; | 508 | if(((AtomicConcept) p).getIRI().equals(v.toString())) return true; |
| 489 | } | 509 | } |
| 490 | else if (p instanceof AtomicRole) { | 510 | else if (p instanceof AtomicRole) { |
| 491 | iri = ((AtomicRole) p).getIRI(); | 511 | iri = ((AtomicRole) p).getIRI(); |
| 492 | if (iri.equals(v.toString())) return true; | 512 | if (iri.equals(v.toString())) return true; |
| 493 | if (iri.startsWith("?")) | 513 | if(iri.startsWith("?")) |
| 494 | iri = a.getGroundTerm(i).toString(); | 514 | iri = a.getGroundTerm(i).toString(); |
| 495 | if (iri.equals(Namespace.RDF_TYPE) && atom.getArgument(1).equals(v)) return true; | 515 | if(iri.equals(Namespace.RDF_TYPE) && atom.getArgument(1).equals(v)) return true; |
| 496 | } | 516 | } |
| 497 | } | 517 | } |
| 498 | return false; | 518 | return false; |
| 499 | } | 519 | } |
| 500 | 520 | ||
| 501 | public String[] getExtendedQueryText() { | 521 | // TODO remove fully extended query |
| 502 | String[] ret = new String[2]; | 522 | public Tuple<String> getExtendedQueryText() { |
| 503 | int index = queryText.toUpperCase().indexOf(" WHERE"); | 523 | // String[] ret = new String[2];s |
| 504 | String extendedSelect = queryText.substring(0, index); | 524 | int index = queryText.toUpperCase().indexOf(" WHERE"); |
| 525 | String extendedSelect = queryText.substring(0, index); | ||
| 505 | String extendedWhere= queryText.substring(index + 1), fullyExtendedWhere = queryText.substring(index + 1); | 526 | String extendedWhere= queryText.substring(index + 1), fullyExtendedWhere = queryText.substring(index + 1); |
| 506 | 527 | ||
| 507 | String sub, obj; | 528 | String sub, obj; |
| 508 | Map<String, Set<String>> links = new HashMap<String, Set<String>>(); | 529 | Map<String, Set<String>> links = new HashMap<String, Set<String>>(); |
| 509 | Set<String> list; | 530 | Set<String> list; |
| 510 | for (Atom atom: getClause().getBodyAtoms()) | 531 | for (Atom atom: getClause().getBodyAtoms()) |
| 511 | if (atom.getDLPredicate() instanceof AtomicRole && atom.getArgument(0) instanceof Variable && atom.getArgument(1) instanceof Variable) { | 532 | if (atom.getDLPredicate() instanceof AtomicRole && atom.getArgument(0) instanceof Variable && atom.getArgument(1) instanceof Variable) { |
| 512 | sub = atom.getArgumentVariable(0).getName(); | 533 | sub = atom.getArgumentVariable(0).getName(); |
| 513 | obj = atom.getArgumentVariable(1).getName(); | 534 | obj = atom.getArgumentVariable(1).getName(); |
| 514 | if ((list = links.get(sub)) == null) | 535 | if((list = links.get(sub)) == null) |
| 515 | links.put(sub, list = new HashSet<String>()); | 536 | links.put(sub, list = new HashSet<String>()); |
| 516 | list.add(obj); | 537 | list.add(obj); |
| 517 | if ((list = links.get(obj)) == null) | 538 | if((list = links.get(obj)) == null) |
| 518 | links.put(obj, list = new HashSet<String>()); | 539 | links.put(obj, list = new HashSet<String>()); |
| 519 | list.add(sub); | 540 | list.add(sub); |
| 520 | } | 541 | } |
| 521 | 542 | ||
| 522 | StringBuilder extra = new StringBuilder(), fullyExtra = new StringBuilder(); | 543 | StringBuilder extra = new StringBuilder(), fullyExtra = new StringBuilder(); |
| 523 | // if (answerVariables[0] != answerVariables[1]) { | 544 | // if (answerVariables[0] != answerVariables[1]) { |
| 524 | for (int i = answerVariables[0].length; i < answerVariables[1].length; ++i) { | 545 | for (int i = answerVariables[0].length; i < answerVariables[1].length; ++i) { |
| 525 | // for (int i = 0; i < answerVariables[1].length; ++i) { | 546 | // for (int i = 0; i < answerVariables[1].length; ++i) { |
| 526 | fullyExtra.append(" . ?").append(answerVariables[1][i]).append(" a <").append(Namespace.PAGODA_ORIGINAL).append(">"); | 547 | fullyExtra.append(" . ?") |
| 548 | .append(answerVariables[1][i]) | ||
| 549 | .append(" " + RDF_TYPE + " <") | ||
| 550 | .append(Namespace.PAGODA_ORIGINAL) | ||
| 551 | .append(">"); | ||
| 527 | if ((list = links.get(answerVariables[1][i])) == null || list.size() < 2) ; | 552 | if ((list = links.get(answerVariables[1][i])) == null || list.size() < 2) ; |
| 528 | else { | 553 | else { |
| 529 | extra.append(" . ?").append(answerVariables[1][i]).append(" a <").append(Namespace.PAGODA_ORIGINAL).append(">"); | 554 | extra.append(" . ?") |
| 530 | } | 555 | .append(answerVariables[1][i]) |
| 556 | .append(" " + RDF_TYPE + " <") | ||
| 557 | .append(Namespace.PAGODA_ORIGINAL) | ||
| 558 | .append(">"); | ||
| 559 | } | ||
| 531 | } | 560 | } |
| 532 | 561 | ||
| 533 | if (extra.length() > 0) { | 562 | if(extra.length() > 0) { |
| 534 | extra.append(" }"); | 563 | extra.append(" }"); |
| 535 | extendedWhere = extendedWhere.replace(" }", extendedWhere.contains(". }") ? extra.substring(2) : extra.toString()); | 564 | extendedWhere = extendedWhere.replace(" }", extendedWhere.contains(". }") ? extra.substring(2) : extra.toString()); |
| 536 | } | 565 | } |
| 537 | 566 | ||
| 538 | if (fullyExtra.length() > 0) { | 567 | if(fullyExtra.length() > 0) { |
| 539 | fullyExtra.append(" }"); | 568 | fullyExtra.append(" }"); |
| 540 | fullyExtendedWhere = fullyExtendedWhere.replace(" }", fullyExtendedWhere.contains(". }") ? fullyExtra.substring(2) : fullyExtra.toString()); | 569 | fullyExtendedWhere = fullyExtendedWhere.replace(" }", fullyExtendedWhere.contains(". }") ? fullyExtra.substring(2) : fullyExtra.toString()); |
| 541 | } | 570 | } |
| 542 | // } | 571 | // } |
| 543 | 572 | ||
| 544 | ret[0] = extendedSelect + " " + fullyExtendedWhere; | 573 | TupleBuilder result = new TupleBuilder(); |
| 574 | result.append(extendedSelect + " " + fullyExtendedWhere); | ||
| 545 | 575 | ||
| 546 | extra.setLength(0); | 576 | extra.setLength(0); |
| 547 | if (answerVariables[0] != answerVariables[1]) { | 577 | if (answerVariables[0] != answerVariables[1]) { |
| @@ -549,14 +579,125 @@ public class QueryRecord { | |||
| 549 | extra.append(" ?").append(answerVariables[1][i]); | 579 | extra.append(" ?").append(answerVariables[1][i]); |
| 550 | extendedSelect = extendedSelect + extra.toString(); | 580 | extendedSelect = extendedSelect + extra.toString(); |
| 551 | } | 581 | } |
| 552 | ret[1] = extendedSelect + " " + extendedWhere; | 582 | result.append(extendedSelect + " " + extendedWhere); |
| 553 | 583 | ||
| 554 | return ret; | 584 | return result.build(); |
| 555 | } | 585 | } |
| 556 | 586 | ||
| 557 | public boolean hasNonAnsDistinguishedVariables() { | 587 | public boolean hasNonAnsDistinguishedVariables() { |
| 558 | return answerVariables[1].length > answerVariables[0].length; | 588 | return answerVariables[1].length > answerVariables[0].length; |
| 559 | } | 589 | } |
| 560 | |||
| 561 | 590 | ||
| 591 | /** | ||
| 592 | * Two <tt>QueryRecords</tt> are equal iff | ||
| 593 | * they have the same <tt>queryText</tt>, | ||
| 594 | * <tt>soundAnswerTuples</tt>. | ||
| 595 | */ | ||
| 596 | @Override | ||
| 597 | public boolean equals(Object o) { | ||
| 598 | if(!o.getClass().equals(getClass())) return false; | ||
| 599 | QueryRecord that = (QueryRecord) o; | ||
| 600 | return this.queryText.equals(that.queryText) | ||
| 601 | && soundAnswerTuples.equals(that.soundAnswerTuples); | ||
| 602 | } | ||
| 603 | |||
| 604 | @Override | ||
| 605 | public int hashCode() { | ||
| 606 | return Objects.hash(queryText, soundAnswerTuples); | ||
| 607 | } | ||
| 608 | |||
| 609 | public enum Step { | ||
| 610 | LOWER_BOUND, | ||
| 611 | UPPER_BOUND, | ||
| 612 | SIMPLE_UPPER_BOUND, | ||
| 613 | LAZY_UPPER_BOUND, | ||
| 614 | L_SKOLEM_UPPER_BOUND, | ||
| 615 | EL_LOWER_BOUND, | ||
| 616 | FRAGMENT, | ||
| 617 | FRAGMENT_REFINEMENT, | ||
| 618 | SUMMARISATION, | ||
| 619 | DEPENDENCY, | ||
| 620 | FULL_REASONING | ||
| 621 | } | ||
| 622 | |||
| 623 | /** | ||
| 624 | * A Json serializer, which considers the main attributes. | ||
| 625 | */ | ||
| 626 | public static class QueryRecordSerializer implements JsonSerializer<QueryRecord> { | ||
| 627 | public JsonElement serialize(QueryRecord src, Type typeOfSrc, JsonSerializationContext context) { | ||
| 628 | Gson gson = new GsonBuilder().setPrettyPrinting().create(); | ||
| 629 | JsonObject object = new JsonObject(); | ||
| 630 | object.addProperty("queryID", src.queryID); | ||
| 631 | object.addProperty("queryText", src.queryText); | ||
| 632 | // object.addProperty("difficulty", src.difficulty != null ? src.difficulty.toString() : ""); | ||
| 633 | |||
| 634 | object.add("answerVariables", context.serialize(src.getAnswerVariables())); | ||
| 635 | object.add("answers", context.serialize(src.soundAnswerTuples)); | ||
| 636 | // object.add("gapAnswers", context.serialize(src.gapAnswerTuples)); | ||
| 637 | |||
| 638 | return object; | ||
| 639 | } | ||
| 640 | } | ||
| 641 | |||
| 642 | /** | ||
| 643 | * A Json deserializer, compliant to the output of the serializer defined above. | ||
| 644 | */ | ||
| 645 | public static class QueryRecordDeserializer implements JsonDeserializer<QueryRecord> { | ||
| 646 | public QueryRecord deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) | ||
| 647 | throws JsonParseException { | ||
| 648 | |||
| 649 | QueryRecord record = new QueryRecord(); | ||
| 650 | JsonObject object = json.getAsJsonObject(); | ||
| 651 | record.queryID = object.getAsJsonPrimitive("queryID").getAsInt(); | ||
| 652 | record.queryText = object.getAsJsonPrimitive("queryText").getAsString(); | ||
| 653 | // record.difficulty = Step.valueOf(object.getAsJsonPrimitive("difficulty").getAsString()); | ||
| 654 | |||
| 655 | JsonArray answerVariablesJson = object.getAsJsonArray("answerVariables"); | ||
| 656 | record.answerVariables = new String[2][]; | ||
| 657 | record.answerVariables[0] = new String[answerVariablesJson.size()]; | ||
| 658 | for(int i = 0; i < answerVariablesJson.size(); i++) | ||
| 659 | record.answerVariables[0][i] = answerVariablesJson.get(i).getAsString(); | ||
| 660 | |||
| 661 | record.soundAnswerTuples = new HashSet<>(); | ||
| 662 | // record.gapAnswerTuples = new HashSet<>(); | ||
| 663 | Type type = new TypeToken<AnswerTuple>() { }.getType(); | ||
| 664 | for (JsonElement answer : object.getAsJsonArray("answers")) { | ||
| 665 | record.soundAnswerTuples.add(context.deserialize(answer, type)); | ||
| 666 | } | ||
| 667 | // for (JsonElement answer : object.getAsJsonArray("gapAnswers")) { | ||
| 668 | // record.soundAnswerTuples.add(context.deserialize(answer, type)); | ||
| 669 | // } | ||
| 670 | |||
| 671 | return record; | ||
| 672 | } | ||
| 673 | } | ||
| 674 | |||
| 675 | /** | ||
| 676 | * Provides an instance (singleton) of Gson, having a specific configuration. | ||
| 677 | * */ | ||
| 678 | public static class GsonCreator { | ||
| 679 | |||
| 680 | private static Gson gson; | ||
| 681 | |||
| 682 | private GsonCreator() {} | ||
| 683 | |||
| 684 | public static Gson getInstance() { | ||
| 685 | if(gson == null) { | ||
| 686 | gson = new GsonBuilder() | ||
| 687 | .registerTypeAdapter(AnswerTuple.class, new AnswerTuple.AnswerTupleSerializer()) | ||
| 688 | .registerTypeAdapter(QueryRecord.class, new QueryRecord.QueryRecordSerializer()) | ||
| 689 | .registerTypeAdapter(QueryRecord.class, new QueryRecord.QueryRecordDeserializer()) | ||
| 690 | .registerTypeAdapter(AnswerTuple.class, new AnswerTuple.AnswerTupleDeserializer()) | ||
| 691 | .disableHtmlEscaping() | ||
| 692 | .setPrettyPrinting() | ||
| 693 | .create(); | ||
| 694 | } | ||
| 695 | return gson; | ||
| 696 | } | ||
| 697 | |||
| 698 | // public static void dispose() { | ||
| 699 | // gson = null; | ||
| 700 | // } | ||
| 701 | |||
| 702 | } | ||
| 562 | } | 703 | } |
