The Application of Fuzzy Logic to the Construction of the Ranking Function of Information Retrieval Systems
نویسنده
چکیده
The quality of the ranking function is an important factor that determines the quality of the Information Retrieval system. Each document is assigned a score by the ranking function; the score indicates the likelihood of relevance of the document given a query. In the vector space model, the ranking function is defined by a mathematic expression such as: ∑ ∈ = q t d q score ) , ( tf(t in d) * idf(t) * getBoost(t.field in d) * lengthNorm(t.field in d) * overlap(q,d) * queryNorm(q)
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ورودعنوان ژورنال:
- CoRR
دوره abs/cs/0610039 شماره
صفحات -
تاریخ انتشار 2006