Abstract
This contribution presents a method of adaptive user profile creation, modification at the field of Web search systems by using query terms and weighted terms of retrieved documents. One of the essential parts of the method is heuristic-based significant terms selection from relevant documents, which relevance evaluation is assigned by the user. Created during retrieval cycles sub-profiles, represent user interests, and are used for user query modification. The experiments concerning adaptive user profile, as a personalization mechanism of Web search system, are presented and discussed.
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