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Lecture 2: The term vocabulary and postings lists Related to Chapter 2:

Lecture 2: The term vocabulary and postings lists Related to Chapter 2:

Lecture 2: The term vocabulary and postings lists Related to Chapter 2: http://nlp.stanford.edu/IR-book/pdf/02voc.pdf. Ch. 1. Recap of the previous lecture. Basic inverted indexes: Structure: Dictionary and Postings Key step in construction: Sorting Boolean query processing

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845 views • 61 slides
Information Retrieval and Web Search

Information Retrieval and Web Search

Information Retrieval and Web Search. Lecture 2: Dictionary and Postings. Recap of the previous lecture. Basic inverted indexes: Structure: Dictionary and Postings Key step in construction: Sorting Boolean query processing Simple optimization Linear time merging Overview of course topics.

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558 views • 48 slides
Information Retrieval and Web Search

Information Retrieval and Web Search

Information Retrieval and Web Search. Lecture 2: Dictionary and Postings. Recap of the previous lecture. Basic inverted indexes: Structure: Dictionary and Postings Key step in construction: Sorting Boolean query processing Simple optimization Linear time merging Overview of course topics.

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560 views • 48 slides
Dictionary and Postings; Query Processing

Dictionary and Postings; Query Processing

Dictionary and Postings; Query Processing. Adapted from Lectures by Prabhakar Raghavan (Yahoo and Stanford) and Christopher Manning (Stanford). Tokenizer. Friends. Romans. Countrymen. Token stream. Linguistic modules. friend. friend. roman. countryman. Modified tokens. roman.

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552 views • 44 slides

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