Hi,
Recently I asked about annotating web resource and it was bug that you solved. Now something similar happened when I tried to annotate this URL http://en.wikipedia.org/wiki/Software_design_pattern This is the output I got: http://en.wikipedia.org/wiki/Software_design_pattern ERROR <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <title>Error 500 INTERNAL_SERVER_ERROR</title> </head> <body><h2>HTTP ERROR 500</h2> <p>Problem accessing /engines. Reason: <pre> INTERNAL_SERVER_ERROR</pre></p><h3>Caused by:</h3><pre>org.apache.stanbol.enhancer.servicesapi.EngineException at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:191) at org.apache.stanbol.enhancer.jobmanager.impl.WeightedJobManager.enhanceConten t(WeightedJobManager.java:80) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceAndBu ildResponse(EnginesRootResource.java:175) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceFromD ata(EnginesRootResource.java:167) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInv okerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispa tchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvi der.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatche r.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.ja va:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassR ule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathR ule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootReso urceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1465) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1396) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1345) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1335) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java: 416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH andler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan dler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP ipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter (QueryHeadersFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHan dler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:78) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP ipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher. java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ let.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java: 943) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582 ) Caused by: org.semanticdesktop.aperture.extractor.ExtractorException at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:147) at org.apache.stanbol.enhancer.engines.metaxa.core.html.IksHtmlExtractor.extrac t(IksHtmlExtractor.java:123) at org.apache.stanbol.enhancer.engines.metaxa.core.MetaxaCore.extract(MetaxaCor e.java:120) at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:157) ... 51 more Caused by: java.io.IOException at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:661) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:652) at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:140) ... 54 more Caused by: org.openrdf.rio.RDFParseException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ [line 4, column 179] at org.openrdf.rio.helpers.RDFParserBase.reportFatalError(RDFParserBase.java:53 3) at org.openrdf.rio.rdfxml.RDFXMLParser.reportFatalError(RDFXMLParser.java:1068) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:285) at org.openrdf.rio.helpers.RDFParserBase.resolveURI(RDFParserBase.java:272) at org.openrdf.rio.rdfxml.RDFXMLParser.getPropertyResource(RDFXMLParser.java:75 1) at org.openrdf.rio.rdfxml.RDFXMLParser.processPropertyElt(RDFXMLParser.java:674 ) at org.openrdf.rio.rdfxml.RDFXMLParser.emptyElement(RDFXMLParser.java:378) at org.openrdf.rio.rdfxml.SAXFilter.endElement(SAXFilter.java:359) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm entContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknow n Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD ocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Un known Source) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:260) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:244) at org.openrdf.repository.base.RepositoryConnectionBase.addInputStreamOrReader( RepositoryConnectionBase.java:357) at org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectio nBase.java:312) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:659) ... 56 more Caused by: java.lang.IllegalArgumentException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ at org.openrdf.model.impl.URIImpl.setURIString(URIImpl.java:68) at org.openrdf.model.impl.URIImpl.<init>(URIImpl.java:57) at org.openrdf.sail.memory.model.MemValueFactory.createURI(MemValueFactory.java :345) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:282) ... 78 more </pre> <h3>Caused by:</h3><pre>org.semanticdesktop.aperture.extractor.ExtractorException at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:147) at org.apache.stanbol.enhancer.engines.metaxa.core.html.IksHtmlExtractor.extrac t(IksHtmlExtractor.java:123) at org.apache.stanbol.enhancer.engines.metaxa.core.MetaxaCore.extract(MetaxaCor e.java:120) at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:157) at org.apache.stanbol.enhancer.jobmanager.impl.WeightedJobManager.enhanceConten t(WeightedJobManager.java:80) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceAndBu ildResponse(EnginesRootResource.java:175) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceFromD ata(EnginesRootResource.java:167) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInv okerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispa tchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvi der.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatche r.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.ja va:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassR ule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathR ule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootReso urceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1465) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1396) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1345) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1335) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java: 416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH andler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan dler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP ipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter (QueryHeadersFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHan dler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:78) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP ipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher. java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ let.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java: 943) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582 ) Caused by: java.io.IOException at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:661) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:652) at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:140) ... 54 more Caused by: org.openrdf.rio.RDFParseException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ [line 4, column 179] at org.openrdf.rio.helpers.RDFParserBase.reportFatalError(RDFParserBase.java:53 3) at org.openrdf.rio.rdfxml.RDFXMLParser.reportFatalError(RDFXMLParser.java:1068) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:285) at org.openrdf.rio.helpers.RDFParserBase.resolveURI(RDFParserBase.java:272) at org.openrdf.rio.rdfxml.RDFXMLParser.getPropertyResource(RDFXMLParser.java:75 1) at org.openrdf.rio.rdfxml.RDFXMLParser.processPropertyElt(RDFXMLParser.java:674 ) at org.openrdf.rio.rdfxml.RDFXMLParser.emptyElement(RDFXMLParser.java:378) at org.openrdf.rio.rdfxml.SAXFilter.endElement(SAXFilter.java:359) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm entContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknow n Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD ocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Un known Source) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:260) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:244) at org.openrdf.repository.base.RepositoryConnectionBase.addInputStreamOrReader( RepositoryConnectionBase.java:357) at org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectio nBase.java:312) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:659) ... 56 more Caused by: java.lang.IllegalArgumentException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ at org.openrdf.model.impl.URIImpl.setURIString(URIImpl.java:68) at org.openrdf.model.impl.URIImpl.<init>(URIImpl.java:57) at org.openrdf.sail.memory.model.MemValueFactory.createURI(MemValueFactory.java :345) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:282) ... 78 more </pre> <h3>Caused by:</h3><pre>java.io.IOException at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:661) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:652) at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:140) at org.apache.stanbol.enhancer.engines.metaxa.core.html.IksHtmlExtractor.extrac t(IksHtmlExtractor.java:123) at org.apache.stanbol.enhancer.engines.metaxa.core.MetaxaCore.extract(MetaxaCor e.java:120) at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:157) at org.apache.stanbol.enhancer.jobmanager.impl.WeightedJobManager.enhanceConten t(WeightedJobManager.java:80) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceAndBu ildResponse(EnginesRootResource.java:175) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceFromD ata(EnginesRootResource.java:167) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInv okerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispa tchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvi der.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatche r.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.ja va:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassR ule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathR ule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootReso urceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1465) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1396) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1345) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1335) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java: 416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH andler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan dler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP ipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter (QueryHeadersFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHan dler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:78) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP ipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher. java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ let.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java: 943) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582 ) Caused by: org.openrdf.rio.RDFParseException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ [line 4, column 179] at org.openrdf.rio.helpers.RDFParserBase.reportFatalError(RDFParserBase.java:53 3) at org.openrdf.rio.rdfxml.RDFXMLParser.reportFatalError(RDFXMLParser.java:1068) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:285) at org.openrdf.rio.helpers.RDFParserBase.resolveURI(RDFParserBase.java:272) at org.openrdf.rio.rdfxml.RDFXMLParser.getPropertyResource(RDFXMLParser.java:75 1) at org.openrdf.rio.rdfxml.RDFXMLParser.processPropertyElt(RDFXMLParser.java:674 ) at org.openrdf.rio.rdfxml.RDFXMLParser.emptyElement(RDFXMLParser.java:378) at org.openrdf.rio.rdfxml.SAXFilter.endElement(SAXFilter.java:359) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm entContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknow n Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD ocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Un known Source) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:260) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:244) at org.openrdf.repository.base.RepositoryConnectionBase.addInputStreamOrReader( RepositoryConnectionBase.java:357) at org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectio nBase.java:312) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:659) ... 56 more Caused by: java.lang.IllegalArgumentException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ at org.openrdf.model.impl.URIImpl.setURIString(URIImpl.java:68) at org.openrdf.model.impl.URIImpl.<init>(URIImpl.java:57) at org.openrdf.sail.memory.model.MemValueFactory.createURI(MemValueFactory.java :345) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:282) ... 78 more </pre> <h3>Caused by:</h3><pre>org.openrdf.rio.RDFParseException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ [line 4, column 179] at org.openrdf.rio.helpers.RDFParserBase.reportFatalError(RDFParserBase.java:53 3) at org.openrdf.rio.rdfxml.RDFXMLParser.reportFatalError(RDFXMLParser.java:1068) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:285) at org.openrdf.rio.helpers.RDFParserBase.resolveURI(RDFParserBase.java:272) at org.openrdf.rio.rdfxml.RDFXMLParser.getPropertyResource(RDFXMLParser.java:75 1) at org.openrdf.rio.rdfxml.RDFXMLParser.processPropertyElt(RDFXMLParser.java:674 ) at org.openrdf.rio.rdfxml.RDFXMLParser.emptyElement(RDFXMLParser.java:378) at org.openrdf.rio.rdfxml.SAXFilter.endElement(SAXFilter.java:359) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm entContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknow n Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD ocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Un known Source) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:260) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:244) at org.openrdf.repository.base.RepositoryConnectionBase.addInputStreamOrReader( RepositoryConnectionBase.java:357) at org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectio nBase.java:312) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:659) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:652) at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:140) at org.apache.stanbol.enhancer.engines.metaxa.core.html.IksHtmlExtractor.extrac t(IksHtmlExtractor.java:123) at org.apache.stanbol.enhancer.engines.metaxa.core.MetaxaCore.extract(MetaxaCor e.java:120) at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:157) at org.apache.stanbol.enhancer.jobmanager.impl.WeightedJobManager.enhanceConten t(WeightedJobManager.java:80) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceAndBu ildResponse(EnginesRootResource.java:175) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceFromD ata(EnginesRootResource.java:167) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInv okerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispa tchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvi der.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatche r.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.ja va:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassR ule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathR ule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootReso urceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1465) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1396) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1345) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1335) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java: 416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH andler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan dler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP ipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter (QueryHeadersFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHan dler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:78) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP ipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher. java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ let.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java: 943) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582 ) Caused by: java.lang.IllegalArgumentException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ at org.openrdf.model.impl.URIImpl.setURIString(URIImpl.java:68) at org.openrdf.model.impl.URIImpl.<init>(URIImpl.java:57) at org.openrdf.sail.memory.model.MemValueFactory.createURI(MemValueFactory.java :345) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:282) ... 78 more </pre> <h3>Caused by:</h3><pre>java.lang.IllegalArgumentException: Not a valid (absolute) URI: //creativecommons.org/licenses/by-sa/3.0/ at org.openrdf.model.impl.URIImpl.setURIString(URIImpl.java:68) at org.openrdf.model.impl.URIImpl.<init>(URIImpl.java:57) at org.openrdf.sail.memory.model.MemValueFactory.createURI(MemValueFactory.java :345) at org.openrdf.rio.helpers.RDFParserBase.createURI(RDFParserBase.java:282) at org.openrdf.rio.helpers.RDFParserBase.resolveURI(RDFParserBase.java:272) at org.openrdf.rio.rdfxml.RDFXMLParser.getPropertyResource(RDFXMLParser.java:75 1) at org.openrdf.rio.rdfxml.RDFXMLParser.processPropertyElt(RDFXMLParser.java:674 ) at org.openrdf.rio.rdfxml.RDFXMLParser.emptyElement(RDFXMLParser.java:378) at org.openrdf.rio.rdfxml.SAXFilter.endElement(SAXFilter.java:359) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEl ement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm entContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknow n Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD ocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Un known Source) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:260) at org.openrdf.rio.rdfxml.RDFXMLParser.parse(RDFXMLParser.java:244) at org.openrdf.repository.base.RepositoryConnectionBase.addInputStreamOrReader( RepositoryConnectionBase.java:357) at org.openrdf.repository.base.RepositoryConnectionBase.add(RepositoryConnectio nBase.java:312) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:659) at org.openrdf.rdf2go.RepositoryModel.readFrom(RepositoryModel.java:652) at org.apache.stanbol.enhancer.engines.metaxa.core.html.XsltExtractor.extract(X sltExtractor.java:140) at org.apache.stanbol.enhancer.engines.metaxa.core.html.IksHtmlExtractor.extrac t(IksHtmlExtractor.java:123) at org.apache.stanbol.enhancer.engines.metaxa.core.MetaxaCore.extract(MetaxaCor e.java:120) at org.apache.stanbol.enhancer.engines.metaxa.MetaxaEngine.computeEnhancements( MetaxaEngine.java:157) at org.apache.stanbol.enhancer.jobmanager.impl.WeightedJobManager.enhanceConten t(WeightedJobManager.java:80) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceAndBu ildResponse(EnginesRootResource.java:175) at org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource.enhanceFromD ata(EnginesRootResource.java:167) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInv okerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispa tchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvi der.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatche r.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.ja va:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassR ule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathR ule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootReso urceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1465) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(Web ApplicationImpl.java:1396) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1345) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebA pplicationImpl.java:1335) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java: 416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContain er.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletH andler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHan dler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletP ipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.stanbol.commons.httpqueryheaders.impl.QueryHeadersFilter.doFilter (QueryHeadersFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHan dler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandl er.java:78) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter( InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFi lterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterP ipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher. java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServ let.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java: 943) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582 ) </pre> <hr /><i><small>Powered by Jetty://</small></i><br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> </body> </html> From: srecko joksimovic [mailto:[email protected]] Sent: Monday, January 16, 2012 12:43 To: Walter Kasper Cc: [email protected] Subject: Re: Annotating using DBPedia ontology Hi, Thank you for your time, and answer. Could you please explain me how do you extract annotated concepts from generated model? I usually generate RDF output, parse SPARQL query and process the output. Could you send me an example based on one of these two documents you sent to me? Best, Srecko On Mon, Jan 16, 2012 at 10:51 AM, Walter Kasper <[email protected]> wrote: Hi, Both of the PDF documents you sent work fine for us and the annotations look as expected. Find attached output from our test, for the 22 pages doc as well as for the 558 pages doc. I have no explanation of why you apparently got different annotations. Best regards, Walter Srecko Joksimovic wrote: Hi, I have to say that everything works great for string, txt and doc files, as well as web pages. I have only one confusion, and it is regarding pdf docs. I attached results for this document http://www.gtbit.org/downloads/dwdmsem6/dwdmsem6lman.pdf. I didn't access document using this URL, but downloaded and access it as C:\temp\weka.pdf. I get correct answer, I mean, there are no errors, but I think there should be more annotated concepts. Could you please try to annotate this document and compare results? I am sure you will be able to find what I did wrong. Best, Srecko
