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      • Department of Computer Engineering
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      An automatic approach to construct domain-specific web portals

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      Author
      Altıngövde, İsmail Şengör
      Özcan, Rıfat
      Çetintaş, Süleyman
      Yılmaz, Hakan
      Ulusoy, Özgür
      Date
      2007-11
      Source Title
      International Conference on Information and Knowledge Management, Proceedings
      Publisher
      ACM
      Pages
      849 - 852
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      We 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.
      Keywords
      Focused crawling
      Information extraction
      Querying
      Construction systems
      Data fields
      Domain specifics
      Focused crawlers
      High qualities
      Home-pages
      Information extraction
      Keyword-based searches
      Prototype systems
      Query engines
      User studies
      Web pages
      Web-portals
      Information analysis
      Knowledge management
      Portals
      World Wide Web
      Permalink
      http://hdl.handle.net/11693/26924
      Published Version (Please cite this version)
      http://dx.doi.org/10.1145/1321440.1321558
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      • Department of Computer Engineering 1368
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