'Vector model' presentation slideshows

Information Retrieval

Information Retrieval. CSE 8337 (Part III) Spring 2011 Some Material for these slides obtained from: Modern Information Retrieval by Ricardo Baeza -Yates and Berthier Ribeiro-Neto http://www.sims.berkeley.edu/~hearst/irbook/

1.04k views • 83 slides

Text Categorization

890 views • 70 slides

Text Categorization

902 views • 70 slides

Text Categorization

723 views • 70 slides

Chapter07 3-Dim Problems aka the Hydrogen Atom

Chapter07 3-Dim Problems aka the Hydrogen Atom. Outline. 7.1 Application of Schro Eqn to H-atom 7.2 Solution of Schro Eqn Angular Shapes of Wave Functions Radial Dependence of Wave Functions 7.3 Orbital Angular Momentum & Quantum Numbers 7.4 Magnetic Effects upon the H-like atoms

619 views • 61 slides

IR Models

IR Models. J. H. Wang Mar. 11, 2008. Text. User Interface. 4, 10. user need. Text. Text Operations. 6, 7. logical view. logical view. Query Operations. DB Manager Module. Indexing. user feedback. 5. 8. inverted file. query. Searching. Index. 8. retrieved docs. Text

778 views • 58 slides

Chapter 2 Modeling

Chapter 2 Modeling. Modern Information Retrieval by R. Baeza-Yates and B. Ribeiro-Neto. Introduction. Traditional information retrieval systems usually adopt index terms to index and retrieve documents.

479 views • 47 slides

Chapter 2 Modeling

Chapter 2 Modeling. Modern Information Retrieval by R. Baeza-Yates and B. Ribeiro-Neto. Introduction. Traditional information retrieval systems usually adopt index terms to index and retrieve documents.

891 views • 45 slides

Administrivia

Administrivia. Project?. Overview. History Networking Crawlers Information Retrieval. ?. Outline of IR topics. Background Definitions, etc. The Problem 100,000+ pages The Solution Ranking docs Vector space Extensions Relevance feedback, clustering, query expansion, etc.

477 views • 42 slides

Welcome to GEOG 070 Intro to Geographic Information

Welcome to GEOG 070 Intro to Geographic Information. Autumn Session - 2005 Instructor: Gregory Taff. Lesson 1: Intro to Geographic Information. Geography = Place names only?. World Population . The heavier the color, the more the population. Population Growth Rate .

506 views • 32 slides

Latent Semantic Indexing and Beyond

458 views • 28 slides

Intro to Information Retrieval

Intro to Information Retrieval. By the end of the lecture you should be able to: explain the differences between database and information retrieval technologies describe the basic maths underlying set-theoretic and vector models of classical IR. Reminder: efficiency is vital.

293 views • 22 slides

Web Search - Summer Term 2006 II. Information Retrieval (Basics Cont.)

262 views • 18 slides

DHMM coding 2

DHMM coding 2. Parameter A. ????? A ??????? state ? frame ???????????????? ???????? A ??? state ????????????. 1. 1. 2. 2. 3. 3. 3. 3. before. 1. 1. 2. 2. 3. 3. 3. 3. now. Ideal Cluster Number. ???????????????????????????????????

210 views • 13 slides

215 views • 13 slides

Vector Models for Person / Place

Vector Models for Person / Place. KEY. PERSON CENTROID. PERSON. PLACE. PLACE CENTROID. Vector Models for Lexical Ambiguity Resolution / Lexical Classification. Treat labeled contexts as vectors. Class. W -3. W -2. W -1. W 0. W 1. W 2. W 3. PLACE. long. way. from. Madison. to.

225 views • 12 slides