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CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 7: Scoring and results assembly

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 7: Scoring and results assembly. Ch. 6. Recap: tf-idf weighting. The tf-idf weight of a term is the product of its tf weight and its idf weight. Best known weighting scheme in information retrieval

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646 views • 48 slides

Vector Space Model : Ranking Revisited

Vector Space Model : Ranking Revisited. Adapted from Lectures by Prabhakar Raghavan (Yahoo and Stanford) and Christopher Manning (Stanford). Recap: tf-idf weighting. The tf-idf weight of a term is the product of its tf weight and its idf weight.

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714 views • 46 slides

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CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 7: Scoring and results assembly

Vector Space Model : Ranking Revisited