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package rsacomb
/* Java imports */
import java.io.File
/* Local imports */
import rsacomb.RSA._
object RSAComb extends App {
val help: String = """
rsacomb - combined approach for CQ answering for RSA ontologies.
USAGE
rsacomb <path/to/ontology.owl> <path/to/query.sparql>
where
the ontology is expected to be an OWL file and the (single)
query a SPARQL query file.
"""
/* Simple arguments handling
*
* TODO: use something better later on
*/
if (args.length < 2) {
println(help)
sys.exit;
}
val ontoPath = new File(args(0))
val queryPath = new File(args(1))
if (!ontoPath.isFile || !queryPath.isFile) {
println("The provided arguments are not regular files.\n\n")
println(help)
sys.exit;
}
/* Create RSA object from generic OWLOntology
*
* TODO: It might be required to check if the ontology in input is
* Horn-ALCHOIQ. At the moment we are assuming this is always the
* case.
*/
val ontology = RSA.loadOntology(ontoPath)
if (ontology.isRSA) {
/* Build canonical model */
//val tboxCanon = rsa.canonicalModel()
/* Load query */
val query = RSA.test_query
/* Compute the filtering program from the given query */
val filter = ontology.filteringProgram(query)
/* ... */
}
}
/* Notes:
*
* To establish a connection with a local RDFox instance, do the
* following:
*
* ```
* val serverConnection : ServerConnection = ConnectionFactory.newServerConnection("rdfox:local", "", "")
* serverConnection.createDataStore("test","seq",new HashMap())
* val dataStoreConnection : DataStoreConnection = serverConnection.newDataStoreConnection("test")
* dataStoreConnection.importData(
* UpdateType.ADDITION,
* Prefixes.s_emptyPrefixes,
* new File("./path/to/file")
* )
* ```
*/
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