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A Reasoner for Conjunctive Query Answering over Horn-SHIQ via Query Rewriting

License: Apache License 2.0

Java 1.06% Python 0.01% Shell 0.01% Prolog 0.01% GAP 0.03% Web Ontology Language 98.91%

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labinot kieen wish55 sircanist takumiko

clipper's Issues

fix HornALCHIQQueryRewriterTest2

fix test05 and test06

Enhance DLV^DB loading time by using COPY of PostgreSQL

http://wiki.postgresql.org/wiki/COPY

Jena Interface

Support Jena Query interface. We can also use the jena SPARQL Parser Directly

using DLV native queries

Instead of filtering predicates from answer set, DLV supports queries natively.

See http://www.dlvsystem.com/dlvsystem/html/DLV_User_Manual.html#AEN1065

Improve CQParser

line 2:0 no viable alternative at character '/'

Q(?0,?1,?2) <- GraduateStudent(?0), University(?1), Department(?2), memberOf(?0,?2), subOrganizationOf(?2,?1), undergraduateDegreeFrom(?0,?1)
//Q(?0) <- t(?0,?1), t(?1,?2), t(?2,?3)

clipper LUBM sygenia completeness Query 10 Unknown ontology

***  Examining query 10 *** /Users/xiao/Dropbox/Projects/clipper.git/clipper-evaluation/./src/main/resources/ontologies/LUBM/univ-bench_TB-C_s/Query_10
/Users/xiao/Dropbox/Projects/clipper.git/clipper-evaluation/./src/main/resources/ontologies/LUBM/Queries/Query_10.txt
Examining ABoxes for inference pattern Q(X0X1)-AdministrativeStaff(X0)Course(X2)takesCourse(X0X1)takesCourse(X0X2)
Q(X0,X44) :- Student(X0), takesCourse(X0,X44).
Ontology(<http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl> [Axioms: 243] [Logical axioms: 93])
org.semanticweb.owlapi.model.UnknownOWLOntologyException: Unknown ontology: <http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl>
    at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.getDirectImports(OWLOntologyManagerImpl.java:289)
    at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.getImportsClosure(OWLOntologyManagerImpl.java:354)
    at uk.ac.manchester.cs.owl.owlapi.OWLOntologyManagerImpl.getImportsClosure(OWLOntologyManagerImpl.java:337)
    at uk.ac.manchester.cs.owl.owlapi.OWLOntologyImpl.getImportsClosure(OWLOntologyImpl.java:1037)
    at org.semanticweb.owlapi.profiles.OWL2Profile.checkOntology(OWL2Profile.java:84)
    at org.semanticweb.owlapi.profiles.OWL2DLProfile.checkOntology(OWL2DLProfile.java:103)
    at org.semanticweb.clipper.hornshiq.profile.HornSHIQProfile.checkOntology(HornSHIQProfile.java:59)
    at org.semanticweb.clipper.hornshiq.queryanswering.QAHornSHIQ.normalize(QAHornSHIQ.java:264)
    at org.semanticweb.clipper.hornshiq.queryanswering.QAHornSHIQ.preprocessOntologies(QAHornSHIQ.java:921)
    at org.semanticweb.clipper.hornshiq.queryanswering.QAHornSHIQ.generateDataLog(QAHornSHIQ.java:127)
    at org.semanticweb.clipper.hornshiq.queryanswering.QAHornSHIQ.query(QAHornSHIQ.java:738)
    at org.semanticweb.clipper.eval.ClipperSygeniaInterfaceImp.runLoadedQuery(ClipperSygeniaInterfaceImp.java:99)
    at org.oxford.comlab.compass.CompletenessAnalyser.doCompletenessAnalysisExperimentAllMappings(CompletenessAnalyser.java:94)
    at org.semanticweb.clipper.eval.ClipperCompletenessAnalyzer.runAllTests(ClipperCompletenessAnalyzer.java:126)
    at org.semanticweb.clipper.eval.ClipperCompletenessAnalyzer.main(ClipperCompletenessAnalyzer.java:13)

clipper LUBM sygenia completeness evaluation more than one result

Query 4

Examining ABoxes for inference pattern Q(X0X1X2X3X4)-College(X5)emailAddress(X0X2)headOf(X0X4)headOf(X0X5)name(X0X1)telephone(X0X3)
Q(X0,X1,X2,X3,X44) :- worksFor(X0,X44), emailAddress(X0,X2), name(X0,X1), Professor(X0), telephone(X0,X3).
Ontology(<http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl> [Axioms: 243] [Logical axioms: 93])
Ontology(<http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl_TB-C_s/Query_04/Q(X0X1X2X3X4)-College(X5)emailAddress(X0X2)headOf(X0X4)headOf(X0X5)name(X0X1)telephone(X0X3)/Pattern_a_0;a_1;a_2;a_3;a_4;_D_a_5;> [Axioms: 11] [Logical axioms: 6])
[ans("a0",  "XX-XXX",  "XX-XXX",  "XX-XXX",  "a4")]
[ans("a0",  "XX-XXX",  "XX-XXX",  "XX-XXX",  "a5")]
A STRANGE CASE HAPPENED ON Pattern_a_0;a_1;a_2;a_3;a_4;_D_a_5;.owl

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