Using a Reference Corpus as a User Model for Focused Information Retrieval

نویسندگان

  • Gilad Mishne
  • Maarten de Rijke
  • Valentin Jijkoun
چکیده

We propose a method for ranking short information nuggets extracted from a text corpus, using another, reliable reference corpus as a user model. We argue that the availability and usage of such additional corpora is common in a number of IR tasks, and apply the method to answering a form of definition questions. The proposed ranking method makes a substantial improvement in the performance of our system.

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عنوان ژورنال:
  • JDIM

دوره 3  شماره 

صفحات  -

تاریخ انتشار 2005