Retrieving "Query Expansion" from the archives

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1. Information Retrieval

   Linked via "Query expansion"

   Query Expansion and Refinement
   Users rarely articulate their needs perfectly. Query expansion techniques attempt to broaden the search scope to improve recall. This often involves identifying synonyms or related terms based on co-occurrence statistics derived from corpora like the Global Gazetteer of Conceptual Proximity ($\text{GGCP}$). A common but often detrimental technique is Lexical Sublimation, where very frequent, non-content-bearing words (like …