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dc.contributor.authorAltingovde I.S.en_US
dc.contributor.authorOzcan, R.en_US
dc.contributor.authorCetintas, S.en_US
dc.contributor.authorYilmaz H.en_US
dc.contributor.authorUlusoy Ö.en_US
dc.date.accessioned2016-02-08T11:39:40Z
dc.date.available2016-02-08T11:39:40Z
dc.date.issued2007en_US
dc.identifier.urihttp://hdl.handle.net/11693/26924
dc.description.abstractWe describe the architecture of an automatic domain-specific Web portal construction system. The system has three major components: i) a focused crawler that collects the domain-specific pages on the Web, ii) an information extraction engine that extracts useful fields from these Web pages, and iii) a query engine that allows both typical keyword based queries on the pages and advanced queries on the extracted data fields. We present a prototype system that works for the course homepages domain on the Web. A user study with the prototype system shows that our approach produces high quality results and achieves better precision figures than the typical keyword based search. Copyright 2007 ACM.en_US
dc.language.isoEnglishen_US
dc.source.titleInternational Conference on Information and Knowledge Management, Proceedingsen_US
dc.relation.isversionofhttp://dx.doi.org/10.1145/1321440.1321558en_US
dc.subjectFocused crawlingen_US
dc.subjectInformation extractionen_US
dc.subjectQueryingen_US
dc.subjectConstruction systemsen_US
dc.subjectData fieldsen_US
dc.subjectDomain specificsen_US
dc.subjectFocused crawlersen_US
dc.subjectFocused crawlingen_US
dc.subjectHigh qualitiesen_US
dc.subjectHome-pagesen_US
dc.subjectInformation extractionen_US
dc.subjectKeyword-based searchesen_US
dc.subjectPrototype systemsen_US
dc.subjectQuery enginesen_US
dc.subjectQueryingen_US
dc.subjectUser studiesen_US
dc.subjectWeb pagesen_US
dc.subjectWeb-portalsen_US
dc.subjectInformation analysisen_US
dc.subjectKnowledge managementen_US
dc.subjectPortalsen_US
dc.subjectWorld Wide Weben_US
dc.titleAn automatic approach to construct domain-specific web portalsen_US
dc.typeConference Paperen_US
dc.departmentDepartment of Computer Engineering
dc.citation.spage849en_US
dc.citation.epage852en_US
dc.identifier.doi10.1145/1321440.1321558en_US


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