Search engines and news services: developments on the Internet

摘要

Focuses on some issues relating to Internet search engines,(such as Alta Vista, HotBot and Yahoo!)and their use in news information Web sites on the Internet, Some of the ways in which search engine providers are trying to improve Searching performance and some of the choices facing information providers. Reviews ways in which search engine providers are responding to the challenge Of improving searching including: adding a selective, browsable database as an Alternative; including only home pages(producing fewer hits)and browsability; Adding company information; adjusting the weightings on their relevance rank- Ings; building up searches; and allowing Boolean logic and field searching.