See https://github.com/dbpedia/extraction-framework/wiki/Extraction-Instructions#abstract-extraction ( via https://www.google.de/search?q=dbpedia%20abstract%20extraction )
On Fri, Feb 13, 2015 at 8:10 AM, Anupam Mishra <[email protected]> wrote: > Thanks Jona, > > now its working I'm getting results in RDF format. > > I was interested in extraction of abstracts of companies so i used > # ../run extraction extraction.abstracts.properties > > it is giving exception > > INFO: Error retrieving abstract of > title=Anarchism;ns=0/Main/;language:wiki=en,locale=en in 3 tries. Giving up. > Load factor: 0.45 > java.io.FileNotFoundException: http://localhost/mediawiki/api.php > at > sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1834) > at > sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439) > at > org.dbpedia.extraction.mappings.AbstractExtractor$$anonfun$retrievePage$1.apply$mcVI$sp(AbstractExtractor.scala:147) > at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:166) > at > org.dbpedia.extraction.mappings.AbstractExtractor.retrievePage(AbstractExtractor.scala:132) > at > org.dbpedia.extraction.mappings.AbstractExtractor.extract(AbstractExtractor.scala:86) > at > org.dbpedia.extraction.mappings.AbstractExtractor.extract(AbstractExtractor.scala:29) > at > org.dbpedia.extraction.mappings.CompositeExtractor$$anonfun$extract$1.apply(CompositeExtractor.scala:14) > at > org.dbpedia.extraction.mappings.CompositeExtractor$$anonfun$extract$1.apply(CompositeExtractor.scala:14) > at > scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:252) > at > scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:252) > at > scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) > at > scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) > at > scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:252) > at > scala.collection.AbstractTraversable.flatMap(Traversable.scala:104) > at > org.dbpedia.extraction.mappings.CompositeExtractor.extract(CompositeExtractor.scala:14) > at > org.dbpedia.extraction.mappings.WikiParseExtractor.extract(WikiParseExtractor.scala:31) > at > org.dbpedia.extraction.mappings.WikiParseExtractor.extract(WikiParseExtractor.scala:22) > at > org.dbpedia.extraction.mappings.CompositeExtractor$$anonfun$extract$1.apply(CompositeExtractor.scala:14) > at > org.dbpedia.extraction.mappings.CompositeExtractor$$anonfun$extract$1.apply(CompositeExtractor.scala:14) > at > scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:252) > at > scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:252) > at > scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) > at > scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) > at > scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:252) > at > scala.collection.AbstractTraversable.flatMap(Traversable.scala:104) > at > org.dbpedia.extraction.mappings.CompositeExtractor.extract(CompositeExtractor.scala:14) > at > org.dbpedia.extraction.mappings.CompositeParseExtractor.extract(CompositeParseExtractor.scala:54) > at > org.dbpedia.extraction.mappings.CompositeParseExtractor.extract(CompositeParseExtractor.scala:11) > at > org.dbpedia.extraction.mappings.RootExtractor.apply(RootExtractor.scala:24) > at > org.dbpedia.extraction.dump.extract.ExtractionJob$$anonfun$1.apply(ExtractionJob.scala:31) > at > org.dbpedia.extraction.dump.extract.ExtractionJob$$anonfun$1.apply(ExtractionJob.scala:26) > at > org.dbpedia.extraction.util.SimpleWorkers$$anonfun$apply$1$$anon$2.process(Workers.scala:23) > at > org.dbpedia.extraction.util.Workers$$anonfun$1$$anon$1.run(Workers.scala:144) > > On Tue, Feb 10, 2015 at 9:09 PM, Jona Christopher Sahnwaldt > <[email protected]> wrote: >> >> Hi Anupam, >> >> Something's wrong with your file. >> enwiki-20150113-pages-articles.xml.bz2 does not exist on >> dumps.wikimedia.org, but enwiki-20150112-pages-articles.xml.bz2 and >> wikidatawiki-20150113-pages-articles.xml.bz2 do. >> >> Please download the enwiki dump and try again. The best way is to >> adapt download.minimal.properties and extraction.default.properties to >> your needs and then execute >> >> ../run download config=download.minimal.properties >> >> and later >> >> ../run extraction extraction.default.properties >> >> >> The warnings you sent imply that the parser is reading the wikidata >> dump file, not the enwiki file. >> >> The "unexpected end of stream" error probably means that the file is >> corrupted. >> >> Regards, >> JC >> >> On Tue, Feb 10, 2015 at 3:05 PM, Anupam Mishra >> <[email protected]> wrote: >> > Hi All, >> > >> > I have downloaded DBpedia extraction framework and trying to extract >> > enwiki-20150113-pages-articles.xml.bz2 using commond mvn scala:run >> > "-Dlauncher=extraction" "-DaddArgs=extraction.default.properties" but >> > getting following exception. >> > >> > WARNING: Error parsing title: found namespace 0/Main, expected 4/Project >> > in >> > title Wikidata:Notability/eo >> > Feb 10, 2015 7:21:29 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Notability/3/eo >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/Page >> > display >> > title/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected 4/Project >> > in >> > title Wikidata:Introduction/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/1/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/2/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/3/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/4/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/5/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Glossary/23/he >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/6/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/7/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/8/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/9/uk >> > Feb 10, 2015 7:22:01 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/22/uk >> > Feb 10, 2015 7:22:04 PM >> > org.dbpedia.extraction.sources.WikipediaDumpParser >> > readPage >> > WARNING: Error parsing title: found namespace 0/Main, expected >> > 1198/Namespace 1198 in title Translations:Wikidata:Introduction/10/uk >> > java.lang.reflect.InvocationTargetException >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > at >> > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > at >> > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > at java.lang.reflect.Method.invoke(Method.java:483) >> > at >> > scala_maven_executions.MainHelper.runMain(MainHelper.java:164) >> > at >> > >> > scala_maven_executions.MainWithArgsInFile.main(MainWithArgsInFile.java:26) >> > Caused by: javax.xml.stream.XMLStreamException: ParseError at >> > [row,col]:[4068918,3920] >> > Message: unexpected end of stream >> > at >> > >> > com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(XMLStreamReaderImpl.java:596) >> > at >> > >> > com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.getElementText(XMLStreamReaderImpl.java:862) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.readString(WikipediaDumpParser.java:395) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.readRevision(WikipediaDumpParser.java:290) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.readPage(WikipediaDumpParser.java:248) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.readPages(WikipediaDumpParser.java:187) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.readDump(WikipediaDumpParser.java:145) >> > at >> > >> > org.dbpedia.extraction.sources.WikipediaDumpParser.run(WikipediaDumpParser.java:116) >> > at >> > >> > org.dbpedia.extraction.sources.XMLReaderSource.foreach(XMLSource.scala:112) >> > at >> > >> > scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:252) >> > at >> > >> > org.dbpedia.extraction.sources.XMLReaderSource.flatMap(XMLSource.scala:108) >> > at >> > >> > org.dbpedia.extraction.mappings.Redirects$.loadFromSource(Redirects.scala:171) >> > at >> > org.dbpedia.extraction.mappings.Redirects$.load(Redirects.scala:122) >> > at >> > >> > org.dbpedia.extraction.dump.extract.ConfigLoader$$anon$1.<init>(ConfigLoader.scala:101) >> > at >> > >> > org.dbpedia.extraction.dump.extract.ConfigLoader.org$dbpedia$extraction$dump$extract$ConfigLoader$$createExtractionJob(ConfigLoader.scala:53) >> > at >> > >> > org.dbpedia.extraction.dump.extract.ConfigLoader$$anonfun$getExtractionJobs$1.apply(ConfigLoader.scala:40) >> > at >> > >> > org.dbpedia.extraction.dump.extract.ConfigLoader$$anonfun$getExtractionJobs$1.apply(ConfigLoader.scala:40) >> > at >> > >> > scala.collection.TraversableViewLike$Mapped$$anonfun$foreach$2.apply(TraversableViewLike.scala:169) >> > at scala.collection.Iterator$class.foreach(Iterator.scala:743) >> > at >> > >> > scala.collection.immutable.RedBlackTree$TreeIterator.foreach(RedBlackTree.scala:468) >> > at >> > scala.collection.IterableLike$class.foreach(IterableLike.scala:72) >> > at >> > scala.collection.IterableLike$$anon$1.foreach(IterableLike.scala:310) >> > at >> > >> > scala.collection.TraversableViewLike$Mapped$class.foreach(TraversableViewLike.scala:168) >> > at >> > >> > scala.collection.IterableViewLike$$anon$3.foreach(IterableViewLike.scala:113) >> > at >> > >> > org.dbpedia.extraction.dump.extract.Extraction$.main(Extraction.scala:30) >> > at >> > org.dbpedia.extraction.dump.extract.Extraction.main(Extraction.scala) >> > >> > >> > Thanks & Regards, >> > Anupam >> > >> > >> > ------------------------------------------------------------------------------ >> > Dive into the World of Parallel Programming. 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