'Next word shows end' diaporamas de présentation

Index Compression

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Index Compression

Index Compression. David Kauchak cs160 Fall 2009 adapted from: http://www.stanford.edu/class/cs276/handouts/ lecture5-indexcompression. ppt. Administrative. Homework 2 Assignment 1 Assignment 2 Pair programming?. RCV1 token normalization. TDT token normalization.

773 views • 61 slides

Index Compression

720 views • 61 slides

Information Retrieval and Web Search Lecture 5: Index Compression

Information Retrieval and Web Search Lecture 5: Index Compression. Sec. 1.2. 1. 2. 4. 11. 31. 45. 173. 1. 2. 4. 5. 6. 16. 57. 132. Dictionary. Postings. Recall: Basic Inverted Index. 174. 2. 31. 54. 101. Brutus. Caesar. Calpurnia. This lecture. Introduction

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CS276A Information Retrieval

CS276A Information Retrieval. Lecture 3. Recap: lecture 2. Stemming, tokenization etc. Faster postings merges Phrase queries. This lecture. Index compression Space estimation. Corpus size for estimates. Consider n = 1M documents, each with about L =1K terms.

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CS276A Text Information Retrieval, Mining, and Exploitation

CS276A Text Information Retrieval, Mining, and Exploitation. Lecture 2 1 Oct 2002. Course structure & admin. CS276: two quarters this year: CS276A: IR, web (link alg.), (infovis, XML, P2P) Website: http://cs276a.stanford.edu/ CS276B: Clustering, categorization, IE, bio Course staff

523 views • 42 slides