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Effect of idf on ranking

  • Does idf have an effect on ranking for one-term queries, like

    • iPhone

  • idf has no effect on ranking one term queries

    • idf affects the ranking of documents for queries with at least two terms

    • For the query capricious person, idf weighting makes occurrences of capricious count for much more in the final document ranking than occurrences of person.


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