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A '''champion list''', also called '''top doc''' or '''fancy list''' is a precomputed list sometimes used with the [[vector space model]] to avoid computing relevancy rankings for all documents each time a document collection is queried. The champion list contains a set of n documents with the highest weights for the given term. The number n can be chosen to be different for each term and is often higher for rarer terms. The weights can be calculated by for example [[tf-idf]]. |
A '''champion list''', also called '''top doc''' or '''fancy list''' is a precomputed list sometimes used with the [[vector space model]] to avoid computing relevancy rankings for all documents each time a document collection is queried. The champion list contains a set of n documents with the highest weights for the given term. The number n can be chosen to be different for each term and is often higher for rarer terms. The weights can be calculated by for example [[tf-idf]]. |
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Revision as of 06:40, 31 May 2020
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A champion list, also called top doc or fancy list is a precomputed list sometimes used with the vector space model to avoid computing relevancy rankings for all documents each time a document collection is queried. The champion list contains a set of n documents with the highest weights for the given term. The number n can be chosen to be different for each term and is often higher for rarer terms. The weights can be calculated by for example tf-idf.
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