'Word queries' presentation slideshows

Modern information retrieval

Modern information retrieval. Chapter. 04: Query Languages. Outline. Keyword-based querying Queries in weighted systems Pattern matching Natural language Structured queries Query protocols. Keyword-based querying. Queries are combinations of words.

471 views • 31 slides

Modern information retrieval

Modern information retrieval. Chapter. 04: Query Languages. Outline. Keyword-based querying Queries in weighted systems Pattern matching Natural language Structured queries Query protocols. Keyword-based querying. Queries are combinations of words.

376 views • 31 slides

University of Palestine

460 views • 26 slides

Chapter 4 Query Languages

Chapter 4 Query Languages. Introduction. Cover different kinds of queries posed to text retrieval systems Keyword-based query languages include simple words and phrases as well as Boolean operators Pattern matching complement keyword searching with data retrieval capabilities

386 views • 26 slides

Query Languages

Query Languages. Information Retrieval. Concerned with the: Representation of Storage of Organization of, and Access to Information items. Recap 1. Important points Data retrieval vs. information retrieval Users specify their needs via an intermediary language.

333 views • 20 slides