You can git 'em free, here ... (01)
http://ksl.stanford.edu/software/JTP/ (02)
Whose says there's no free lunch, or beer ... (03)
Duane Nickull wrote:
> Where can I download the jtp jars? Are they free?
>
> D
>
>
> On 1/28/08 4:19 PM, "rick@xxxxxxxxxxxxxx" <rick@xxxxxxxxxxxxxx> wrote:
>
>> Pat:
>>
>> See below for an EJB using JTP with the OWLReasoningContext and the
>> KIF2CNF parser. This has never been validated, it just builds on a
>> snippet from the JTP documentation. Feel free to call if you want to
>> chat ...
>>
>> Patrick Cassidy wrote:
>>> Does anyone have on hand a functioning ontology translator to go from OWL
>>> to KIF or some other FOL format?
>>
>> /**
>> * @(#) TrustProviderProxyBean.java
>> * @author <a href:mailto="rick@xxxxxxxxxxxxxx">Rick Murphy</a>
>> * @version 0.1
>> * @see <a href="http://www.rickmurphy.org/cps-license.html";>Citizen
>> Privacy Service License</a>
>> */
>>
>> package org.rickmurphy.pep;
>>
>> import java.io.InputStream;
>> import java.io.BufferedReader;
>> import java.io.InputStreamReader;
>> import java.io.IOException;
>>
>> import java.net.URL;
>> import java.net.MalformedURLException;
>>
>> import java.util.Iterator;
>> import java.util.Map;
>> import java.util.HashMap;
>>
>> import javax.ejb.SessionBean;
>> import javax.ejb.SessionContext;
>> import javax.ejb.EJBLocalHome;
>> import javax.ejb.EJBLocalObject;
>>
>> import jtp.ReasoningException;
>> import jtp.ReasoningStep;
>> import jtp.ReasoningStepIterator;
>>
>> import jtp.context.owl.OWLReasoningContext;
>>
>> import jtp.fol.kif.KIF2CNF;
>>
>> import jtp.fol.parser.ParserBasedTranslator;
>>
>> import jtp.frame.vc.Goal;
>>
>> import jtp.modelim.AskingQueryProcessor;
>>
>> import jtp.ui.RDFQueryUtils;
>>
>> import com.hp.hpl.jena.rdf.model.Model;
>> import com.hp.hpl.jena.rdf.model.ModelFactory;
>>
>> /**
>> *
>> */
>> public class TrustProviderProxyBean implements
>> TrustProviderProxy,SessionBean{
>>
>> private KIF2CNF kifParser;
>> private OWLReasoningContext context;
>>
>> /**
>> * @param goal
>> * @return boolean
>> * @throws ReasoningException
>> */
>> public boolean challenge(Goal goal) throws ReasoningException{
>>
>> AskingQueryProcessor queryProcessor = new AskingQueryProcessor();
>>
>>
>queryProcessor.setTranslator((ParserBasedTranslator)kifParser.createTranslator
>> ());
>> context.add(queryProcessor);
>>
>> return queryProcessor.acceptable(goal);
>>
>> }//challenge
>>
>> /**
>> * @param goal
>> * @return ReasoningStepIterator
>> * @throws ReasoningException
>> */
>> public ReasoningStepIterator enforce(Goal goal) throws
>> ReasoningException{
>>
>> ReasoningStepIterator iterator = context.ask(goal.toString());
>>
>> ReasoningStep step = null;
>>
>> while((step = iterator.next()) != null){
>> step = iterator.next();
>> //System.out.println("got step: " + step);
>> }
>>
>> //persist and return provenance
>> TrustProviderDAO dao = new TrustProviderDAO();
>>
>> return iterator;
>>
>> }//enforce
>>
>> /**
>> * @throws CreateException
>> * @throws ReasoningException
>> * @throws IOException
>> * @throws MalformedURLException
>> */
>> public void ejbCreate() throws
>> MalformedURLException,IOException,ReasoningException{
>>
>> kifParser = new KIF2CNF();
>>
>> kifParser.setCaseSensitiveSymbols(true);
>> kifParser.addNamespaceMapping("owl", "http://www.w3.org/2002/07/owl#";);
>> kifParser.addNamespaceMapping("daml",
>> "http://www.daml.org/2001/03/daml+oil#";);
>> kifParser.addNamespaceMapping("rdf",
>> "http://www.w3.org/1999/02/22-rdf-syntax-ns#";);
>> kifParser.addNamespaceMapping("rdfs",
>> "http://www.w3.org/2000/01/rdf-schema#";);
>>
>> context = new OWLReasoningContext();
>> context.setUp();
>>
>> Model model = ModelFactory.createDefaultModel();
>>
>> URL pubLocURL = new URL("http://localhost/kb";);
>> model.read(new BufferedReader(new InputStreamReader(new
>> URL("http://www.osera.gov/privacy.owl";).openStream())),
>> pubLocURL.toString());
>>
>> ((OWLReasoningContext)context).loadRDFKB(model, pubLocURL);
>>
>> HashMap nsToUriMap = new HashMap();
>> RDFQueryUtils.addNamespaceMappingsFromKb(pubLocURL.toString(),
>> model, nsToUriMap);
>> for (Iterator it = nsToUriMap.entrySet().iterator(); it.hasNext();){
>> Map.Entry ent = (Map.Entry)it.next();
>>
>> kifParser.addNamespaceMapping((String)ent.getKey(),(String)ent.getValue());
>> }
>> context.add(kifParser);
>>
>> }//ejbCreate
>>
>> /**
>> * @param sessioncontext
>> */
>> public void setSessionContext( SessionContext sessioncontext
>> ){}//setSessionContext
>>
>> /**
>> *
>> */
>> public void ejbRemove( ){}//ejbRemove
>>
>> /**
>> *
>> */
>> public void ejbPassivate( ){}//ejbPassivate
>>
>> /**
>> *
>> */
>> public void ejbActivate( ){}//ejbActivate
>>
>> /**
>> *
>> */
>> public void remove( ){}//remove
>>
>> /**
>> * @param localObject
>> * @return boolean
>> */
>> public boolean isIdentical(EJBLocalObject localObject){ return
>> false;}//isIdentical
>>
>> /**
>> * @return EJBLocalHome
>> */
>> public EJBLocalHome getEJBLocalHome(){return null;}//getEJBLocalHome
>>
>> /**
>> * @return Object
>> */
>> public Object getPrimaryKey(){return null;}//getPrimaryKey
>>
>> }//TrustProviderProxyBean
>>
>>
>>> Pat
>>>
>>> Patrick Cassidy
>>> MICRA, Inc.
>>> 908-561-3416
>>> cell: 908-565-4053
>>> cassidy@xxxxxxxxx
>>>
>>>
>>>
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>>>
>>>
> (04)
--
Thanks Rick,
blog http://spout.rickmurphy.org
web http://www.rickmurphy.org
cell 703-201-9129 (05)
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