EXTENDING ONTOLOGY TREE USING NLP TECHNIQUE BY

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1、withtheserelatedconcepts,thesemanticEXTENDINGONTOLOGYTREErelationsfoundamongthekeywordscanbeUSINGNLPTECHNIQUEcaptured.Forexample,ifthekeywordsofthedocumentBYarecomputerandsecurity,oneofthemappedpathfoundintheontologycouldbeYahoo:SabrinaT.,RosniA.,T.EnyakongComputerandInternet:Securit

2、yandEncryption(seefigure1).PusatPengajianSainsKomputer,11800UniversitiSainsMalaysia,ThetransformationormappingprocesswillPulauPinangretrieveComputerandInternetandSecurityandEncryptionconcepts.TheontologyhelpsustoAbstract:Thispaperproposesamethodofidentifythatthewordsecuritymentionedi

3、nthecreatingawebdocumentrepresentationusingawebdocumentismostprobablytalkingaboutwebontologyconceptsinsteadof‘bag-of-computersecuritywhichisrelatedtohackerswords’.However,sincethewebdomainhasaratherthancomputerrobbery.However,averysmallvocabulary,weareunabletolimitedvocabularyofthewe

4、bontologywillnottransformallormostofthekeywordsofthewebbeabletorepresentallormostofthedocumentdocumentintowebontologyconcepts.Thiskeywords.Therefore,wetrytoincoporateanparticularproblemissolvedbycreatinganexternallinguisticsknowledge-base(WordNet)extendedpartofthewebontologywithwords

5、toenrichtheontologyconcepts.Thewordsobtainedfromanexternallinguisticsknowledge-obtainedfromWordNetwhichareusedtoenrichbase.ThepromisingoutcomeastheresultofthewebontologyconceptsaretheextendedNaturalLanguageProcessing(NLP)andontology.ThisisthesolutionforthelimitedInformationRetrieval(

6、IR)fieldsbeingmergedvocabularyproblemandthesametimeprovidestogetherconvincesustocreatetheextendedusthealternativemappedconceptsfortheontologyusingNLPtechnique.documentkeywords.Keywords:Webontology,WordNet,semanticsrelationships,automatictopicidentification.Keywordsofdocument:security

7、mappedcomputermapped1INTRODUCTIONThegrowingamountofinformationavailableinInternethasattractedmanyIRresearcherstoOntologyPath:focustheirworksonwebdocuments.InIR,mostofthedocumentcategorizationorYahoo!1classificationusebags-of-words[22]toComputerandInternetrepresentthedocumentsthatneed

8、edtobeSecuri