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Documents Techniques for Event Detection Kleisarchaki Sofia.

Slide 1 Techniques for Event Detection Kleisarchaki Sofia Slide 2 N.E.D Versus Social E.D Techniques  Content Based  Clustering Algorithms  Graphs  Spatial/Temporal…

Documents Search and Retrieval: More on Term Weighting and Document Ranking Prof. Marti Hearst SIMS 202,...

Slide 1 Search and Retrieval: More on Term Weighting and Document Ranking Prof. Marti Hearst SIMS 202, Lecture 22 Slide 2 Marti A. Hearst SIMS 202, Fall 1997 Today n Document…

Documents Information Retrieval and Question- Answering Julia Hirschberg CS 4705.

Slide 1 Information Retrieval and Question- Answering Julia Hirschberg CS 4705 Slide 2 Today Information Retrieval –Review of Methods –TREC IR Tracks Question Answering…

Documents Indexing by Latent Semantic Analysis Written by Deerwester, Dumais, Furnas, Landauer, and Harshman.....

Slide 1 Indexing by Latent Semantic Analysis Written by Deerwester, Dumais, Furnas, Landauer, and Harshman (1990) Reviewed by Cinthia Levy Slide 2 Latent Semantic Indexing…

Documents CS347 Lecture 3 April 16, 2001 ©Prabhakar Raghavan.

Slide 1 CS347 Lecture 3 April 16, 2001 ©Prabhakar Raghavan Slide 2 Blocking Store pointers to every kth on term string. Need to store term lengths (1 extra byte) ….7systile9syzygetic8syzygial6syzygy11szaibelyite8szczecin9szomo….…

Documents 1 CS 430 / INFO 430 Information Retrieval Lecture 24 Usability 2.

Slide 1 1 CS 430 / INFO 430 Information Retrieval Lecture 24 Usability 2 Slide 2 2 Course Administration Slide 3 3 Assignment 3 Grades were returned yesterday Slide 4 4 The…

Documents 1 CS 430 / INFO 430 Information Retrieval Lecture 5 Text Processing Methods 1.

Slide 1 1 CS 430 / INFO 430 Information Retrieval Lecture 5 Text Processing Methods 1 Slide 2 2 Course Administration Discussion classes In preparing for the discussion classes,…

Documents Lecture 2: Retrieval Models Maya Ramanath. QQ1 Vector space model: 0 for non-presence of a term, 1.....

Slide 1 Lecture 2: Retrieval Models Maya Ramanath Slide 2 QQ1 Vector space model: 0 for non-presence of a term, 1 for presence: Query: q1 AND q2 AND q3 Compare the set of…

Documents Scoring, Term Weighting, and Vector Space Model Lecture 7: Scoring, Term Weighting and the Vector...

Slide 1 Scoring, Term Weighting, and Vector Space Model Lecture 7: Scoring, Term Weighting and the Vector Space Model Web Search and Mining 1 Slide 2 Scoring, Term Weighting,…

Documents Series-O-Rama Search & Recommend TV series with SQL bit.ly/dMh7kb

Series-O-Rama Search & Recommend TV series with SQL http://bit.ly/dMh7kb Guillaume Cabanac [email protected] February 15th, 2011 Toulouse: A Picture is Worth a Thousand…