From c3ff5305c30cdf31755972df4c3dc554d5246ae9 Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Tue, 8 Dec 2020 12:22:56 +0000
Subject: Include literals in instances of `Named` internal predicate

---
 src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala')

diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
index 7b4b142..0fb6c96 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
@@ -11,6 +11,7 @@ import org.semanticweb.owlapi.model.{OWLOntology, OWLAxiom, OWLLogicalAxiom}
 import org.semanticweb.owlapi.model.{
   OWLClass,
   OWLClassExpression,
+  OWLDataPropertyAssertionAxiom,
   OWLObjectProperty,
   OWLSubObjectPropertyOfAxiom,
   OWLObjectPropertyExpression,
@@ -35,7 +36,8 @@ import tech.oxfordsemantic.jrdfox.logic.expression.{
   Term,
   Variable,
   IRI,
-  Resource
+  Resource,
+  Literal
 }
 import tech.oxfordsemantic.jrdfox.logic.sparql.statement.SelectQuery
 
@@ -117,6 +119,12 @@ class RSAOntology(val ontology: OWLOntology) {
       .map(implicits.RDFox.owlapiToRdfoxIri)
       .toList
 
+  val literals: List[Literal] =
+    abox
+      .collect { case a: OWLDataPropertyAssertionAxiom => a }
+      .map(_.getObject)
+      .map(implicits.RDFox.owlapiToRdfoxLiteral)
+
   val concepts: List[OWLClass] =
     ontology.getClassesInSignature().asScala.toList
 
@@ -288,7 +296,7 @@ class RSAOntology(val ontology: OWLOntology) {
   }
 
   def filteringProgram(query: ConjunctiveQuery): FilteringProgram =
-    new FilteringProgram(query, individuals)
+    new FilteringProgram(query, individuals ++ literals)
 
   lazy val canonicalModel = new CanonicalModel(this)
 
-- 
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