'Retrieval effectiveness' presentation slideshows

Probabilistic Structured Query Methods

Probabilistic Structured Query Methods. Kareem Darwish, Douglas W.Oard Electrical and Computer Engineering Department, College of Information Studies and UMIACS. Abstract. Structured methods for query term replacement rely on separate estimates of replacement of probabilities of term set.

344 views • 26 slides

Chapter 19: Information Retrieval

Chapter 19: Information Retrieval. Relevance Ranking Using Terms Relevance Using Hyperlinks Synonyms., Homonyms, and Ontologies Indexing of Documents Measuring Retrieval Effectiveness Web Search Engines Information Retrieval and Structured Data Directories.

586 views • 25 slides

Chapter 31 : Information Retrieval

Chapter 31 : Information Retrieval. Relevance Ranking Using Terms Relevance Using Hyperlinks Synonyms., Homonyms, and Ontologies Indexing of Documents Measuring Retrieval Effectiveness Web Search Engines Information Retrieval and Structured Data Directories. Outline.

255 views • 25 slides

Chapter 21: Information Retrieval

Chapter 21: Information Retrieval. Relevance Ranking Using Terms Relevance Using Hyperlinks Synonyms., Homonyms, and Ontologies Indexing of Documents Measuring Retrieval Effectiveness Web Search Engines Information Retrieval and Structured Data Directories.

259 views • 25 slides

Chapter 19: Information Retrieval

Chapter 19: Information Retrieval. Relevance Ranking Using Terms Relevance Using Hyperlinks Synonyms., Homonyms, and Ontologies Indexing of Documents Measuring Retrieval Effectiveness Web Search Engines Information Retrieval and Structured Data Directories.

255 views • 25 slides

Design of a Pilot SRW-compliant Terminologies Mapping Service (HILT)

Design of a Pilot SRW-compliant Terminologies Mapping Service (HILT). Terminologies Workshop, ECDL, Alicante, 2006 Dennis Nicholson, CDLR, Strathclyde University. HILT: Background and Overview. Funded JISC; Support: OCLC; Collaborative Aim: provide subject interoperability in a multi-

345 views • 22 slides

Free-text Medical Document Retrieval via Phrase-based Vector Space Model

Free-text Medical Document Retrieval via Phrase-based Vector Space Model. Wenlei Mao, MS and Wesley W. Chu, PhD wenlei@cs.ucla.edu and wwc@cs.ucla.edu Computer Science Department University of California, Los Angeles. Outline. Vector space model (VSM) in document retrieval Stem-based VSM

343 views • 21 slides

Free-text Medical Document Retrieval via Phrase-based Vector Space Model

Free-text Medical Document Retrieval via Phrase-based Vector Space Model. Wenlei Mao, MS and Wesley W. Chu, PhD wenlei@cs.ucla.edu and wwc@cs.ucla.edu Computer Science Department University of California, Los Angeles. Outline. Vector space model (VSM) in document retrieval Stem-based VSM

222 views • 21 slides

Ranking using Multiple Document Types in Desktop Search

308 views • 18 slides