'Commercial retrieval tool' diaporamas de présentation

Introducing Information Retrieval and Web Search

Introducing Information Retrieval and Web Search. Information Retrieval. Information Retrieval (IR) is finding material (usually documents) of an unstructured nature (usually text) that satisfies an information need from within large collections (usually stored on computers) .

731 views • 57 slides

541 views • 40 slides

LIS6 18 lecture 2 the Boolean model

LIS6 18 lecture 2 the Boolean model. Thomas Krichel 2011-04-21. reading. We follow Manning, Raghavan and Schuetze here, chapter one. I leave out stuff that relates to running things on a computer in an efficient way. I add some more basic mathematical theory that we need.

463 views • 33 slides

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 1: Boolean retrieval. Information Retrieval.

398 views • 25 slides