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Article: Staleness among Web search engines. (Feature: "Staleness among Web Search Engines").
- Article from:
- Searcher
- Article date:
- July 1, 1998
- Author:
CopyrightCOPYRIGHT 1998 Information Today, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Almost every frequent user of the World Wide Web has encountered the "404 Error -- File Not Found," "No DNS," "No Response," and other file and site access error messages. These messages identify Web sites and Web pages that, for one reason or another, are unavailable and unresolvable. The unavailability may be temporary. The page or site may return. Or it may have gone forever.
Coverage and Staleness
Users frequently rely on Web search engines to identify and retrieve information from the Web. The quality of Web search engine indexes has been the focus of analysis and concern. Most attention has addressed the breadth and depth of the indexes: how ...