edu.lehigh.swat.obione
Class AnsweringEngine

java.lang.Object
  edu.lehigh.swat.obione.KAON2AbstractConnection
      edu.lehigh.swat.obione.AnsweringEngine

public class AnsweringEngine
extends KAON2AbstractConnection

Extends KAON2 ontology handling for multiple ontologies Initiates with one ontology

Author:

abirqasem

Field Summary

private org.semanticweb.kaon2.api.Ontology	kb
private java.util.Vector<java.lang.String>	queries
private ResultSet	r
private org.semanticweb.kaon2.api.reasoner.Reasoner	reasoner

Fields inherited from class edu.lehigh.swat.obione.KAON2AbstractConnection

m_connection

Constructor Summary

AnsweringEngine(java.lang.String url)

Method Summary

void	addSource(java.util.List<org.semanticweb.kaon2.api.OntologyChangeEvent> kaonTriples) Adds information from a source given as a List of KAON2 OntologyChangeEvents.
void	addToKB(java.lang.String url) Adds a new data source to KB
boolean	containsAxiom(org.semanticweb.kaon2.api.Axiom a) Tells if the KB contains a given axiom
org.semanticweb.kaon2.api.reasoner.Query	getQueryFromSparql(java.lang.String qs) Creates a query on the exisiting KB
ResultSet	getResultSet() Returns the result set
private java.lang.String[]	getTupleStrings(java.lang.Object[] tuple) Returns an array of strings representing the values of the KAON2 tuple.
private java.lang.String[]	getVariableNames(org.semanticweb.kaon2.api.reasoner.Query q) Returns the names of the distinguished variables in the query.
ResultSet	issueQuery(org.semanticweb.kaon2.api.reasoner.Query q) Creates a result set
static void	main(java.lang.String[] args)
private java.util.Vector<java.lang.String>	parseFromFiles(java.lang.String filename) Reads a set of query from a text file
void	showKB()

Methods inherited from class edu.lehigh.swat.obione.KAON2AbstractConnection

createOntology, endConnection, loadOntology, makeConnection, showOntologyAxioms, showOntologyEntities

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

kb

private org.semanticweb.kaon2.api.Ontology kb

reasoner

private org.semanticweb.kaon2.api.reasoner.Reasoner reasoner

r

private ResultSet r

queries

private java.util.Vector<java.lang.String> queries

Constructor Detail

AnsweringEngine

public AnsweringEngine(java.lang.String url)

Method Detail

containsAxiom

public boolean containsAxiom(org.semanticweb.kaon2.api.Axiom a)
                      throws org.semanticweb.kaon2.api.KAON2Exception

Tells if the KB contains a given axiom

Parameters:

a -

Returns:

Throws:

org.semanticweb.kaon2.api.KAON2Exception

addToKB

public void addToKB(java.lang.String url)

Adds a new data source to KB

Parameters:

url -

getQueryFromSparql

public org.semanticweb.kaon2.api.reasoner.Query getQueryFromSparql(java.lang.String qs)
                                                            throws org.semanticweb.kaon2.api.KAON2Exception

Creates a query on the exisiting KB

Parameters:

qs -

Returns:

Throws:

org.semanticweb.kaon2.api.KAON2Exception

issueQuery

public ResultSet issueQuery(org.semanticweb.kaon2.api.reasoner.Query q)
                     throws org.semanticweb.kaon2.api.KAON2Exception,
                            java.lang.InterruptedException

Creates a result set

Parameters:

q -

Returns:

Throws:

org.semanticweb.kaon2.api.KAON2Exception

java.lang.InterruptedException

getResultSet

public ResultSet getResultSet()

Returns the result set

Returns:

addSource

public void addSource(java.util.List<org.semanticweb.kaon2.api.OntologyChangeEvent> kaonTriples)

Adds information from a source given as a List of KAON2 OntologyChangeEvents. In particular, it allows the ISENS Mediator to update the AnsweringEngine after it converts the Sesame Graph. This may not be used in the final version, but is useful for testing.

showKB

public void showKB()
            throws org.semanticweb.kaon2.api.KAON2Exception

Throws:

org.semanticweb.kaon2.api.KAON2Exception

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

parseFromFiles

private java.util.Vector<java.lang.String> parseFromFiles(java.lang.String filename)

Reads a set of query from a text file

Parameters:

filename -

Returns:

getVariableNames

private java.lang.String[] getVariableNames(org.semanticweb.kaon2.api.reasoner.Query q)

Returns the names of the distinguished variables in the query.

Parameters:

q - The KAON2 Query object

getTupleStrings

private java.lang.String[] getTupleStrings(java.lang.Object[] tuple)

Returns an array of strings representing the values of the KAON2 tuple.

Parameters:

tuple - A KAON2 tuple object