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Web Search Query Rewriting

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Encyclopedia of Database Systems

Synonyms

Query reformulation; Query expansion; Query assistance; Query suggestion

Definition

Query rewriting in Web search refers to the process of reformulating an original input query to a new query in order to achieve better search results. Reformulation includes but not limited to the following:

  1. 1.

    Adding additional terms to express the search intent more accurately

  2. 2.

    Deleting redundant terms or re-weighting the terms in the original query to emphasize important terms

  3. 3.

    Finding alternative morphological forms of words by stemming each word, and searching for the alternative forms as well

  4. 4.

    Finding synonyms of words, and searching for the synonyms as well

  5. 5.

    Fixing spelling errors and automatically searching for the corrected form or suggesting it in the results

Historical Background

Web search queries are the words users type into web search engines to express their information need. These queries are typically 2–3 words long [7]. Traditional information retrieval allows...

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Jones, R., Peng, F. (2009). Web Search Query Rewriting. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_461

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