Dictionaries and Tolerant Retrieval
Dictionaries and Tolerant Retrieval
Dictionaries and Tolerant Retrieval
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Introduction to Information <strong>Retrieval</strong>Sec. 3.2Query processing• At this point, we have an enumeration of all terms inthe dictionary that match the wild‐card query.• We still have to look up the postings for eachenumerated term.• E.g., consider the query:se*ate AND fil*erThis may result in the execution of many BooleanAND queries.13
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