'Tf idf weight' presentation slideshows

Algoritmi per IR

643 views • 64 slides

Document ranking

613 views • 38 slides

Web search basics (Recap)

342 views • 22 slides

From frequency to meaning: vector space models of semantics

From frequency to meaning: vector space models of semantics. CIS 530 Lecture 2. Measuring similarity between objects. Many tasks can be expressed as a question of similarity Information retrieval: the search engine should return documents that are similar to the user query

184 views • 18 slides

Processing XML Keyword Search by Constructing Effective Structured Queries

Processing XML Keyword Search by Constructing Effective Structured Queries. Jianxin Li , Chengfei Liu, Rui Zhou and Bo Ning Swinburne University of Technology, Australia. Outline. Motivation of Keyword Search in XML Brief Review of Related Work Existing Problems

285 views • 17 slides