Titlebook: Estimating the Query Difficulty for Information Retrieval; David Carmel,Elad Yom-Tov Book 2010 Springer Nature Switzerland AG 2010

ANTI

Estimating the Query Difficulty for Information Retrieval978-3-031-02272-2Series ISSN 1947-945X Series E-ISSN 1947-9468

Aphorism

,A Mother’s Hope: Hui Lan’s Family Stories,Predicting the query performance is the task of estimating the expected quality of the search results, when no relevance information is given. In this chapter, we will define the basic concepts that are used in the rest of the book.

侵略

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Basic Concepts,Predicting the query performance is the task of estimating the expected quality of the search results, when no relevance information is given. In this chapter, we will define the basic concepts that are used in the rest of the book.

開(kāi)頭

Applications of Query Difficulty Estimation,So far, we have addressed query difficulty estimation as a goal in its own right, i.e., the ability to predict query performance using various estimators. In this chapter, we show how such information can be used for various applications that improve and enhance retrieval.

異端邪說(shuō)2

證實(shí)

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https://doi.org/10.1057/9780230119123ually inferior to post-retrieval approaches since they do not take the retrieval method into account. The (usually short) query alone is often not expressive enough for reliable prediction ofthe quality of the search results.

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