Basic Computer Notions Web searching

Next Introduction Quality control Quality control (cont'd) Subject directories Subject directories (cont'd) Search engines 7 of 19 Effective searching Planning a search Planning a search (cont'd) Planning a search (cont'd) Planning a search (cont'd) Using the tools Know the engines Common methods Relevance ranking Keep track of your results Further information Safe surfing

Search engines (cont'd)Screenshot of Alta Vista from Digital, 1996 October

Many search engines began as research projects and evolved into commercial operations including ‘portals’ and supported by advertising, paid services, etc.

There is strong competition and rapid change.

Examples of search engines

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R. Funnell
Last modified: Wed, 2007 Mar 7 13:41:03

Slide show generated from websearch.html by Weasel 2007 Mar 7