简介:Withthepropagationofapplicationsontheinternet,theinternethasbecomeagreatinformationsourcewhichsuppliesuserswithvaluableinformation.Butitishardforuserstoquicklyacquiretherightinformationontheweb.Thispaperanintelligentagentforinternetapplicationstoretrieveandextractwebinformationunderuser'sguidance.Theintelligentagentismadeupofaretrievalscripttoidentifywebsources,anextractionscriptbasedonthedocumentobjectmodeltoexpressextractionprocess,adatatranslatortoexporttheextractedinformationintoknowledgebaseswithframestructures,andadatareasoningtoreplyusers'questions.AGUItoolnamedScriptWriterhelpstogeneratetheextractionscriptvisually,andknowledgeruledatabaseshelptoextractwantedinformationandtogeneratetheanswertoquestions.