IR-part2

We want to use k when compung query document match

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Unformatted text preview: }|V| Introduc)on to Informa)on Retrieval Sec. 6.2 Term- document count matrices §༊  Consider the number of occurrences of a term in a document: §༊  Each document is a count vector in ℕ|V|: a column below Antony and Cleopatra Julius Caesar The Tempest Hamlet Othello Macbeth Antony 157 73 0 0 0 0 Brutus 4 157 0 1 0 0 Caesar 232 227 0 2 1 1 Calpurnia 0 10 0 0 0 0 Cleopatra 57 0 0 0 0 0 mercy 2 0 3 5 5 1 worser 2 0 1 1 1 0 Introduc)on to Informa)on Retrieval Sec. 6.2 Term- document count matrices §  Consider the number of occurrences of a term in a document: §༊  Each document is a count vector in ℕ|V|: a column below Antony and Cleopatra Julius Caesar The Tempest Hamlet Othello Macbeth Antony 157 73 0 0 0 0 Brutus 4 157 0 1 0 0 Caesar 232 227 0 2 1 1 Calpurnia 0 10 0 0 0 0 Cleopatra 57 0 0 0 0 0 mercy 2 0 3 5 5 1 worser 2 0 1 1 1 0 Introduc)on to Informa)on Retrieval Bag of words model §༊  Vector representa*on doesn...
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This document was uploaded on 02/14/2014.

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