Hi Andrew,

Andrew Coppin wrote:
In general, I find *most* search functions to be fairly unhelpful. Google is the shining exception to this rule; it almost always seems to figure out what you're after.

I guess doing text searching is just a fundamentally difficult problem, and the guys at Google have spent a hell of a long time on it.

text searching is a well-known problem. ranking search results by relevance is the key to google's success. read the paper about google to learn more:

Sergey Brin and Lawrence Page,
"The Anatomy of a Large-Scale Hypertextual Web Search Engine"
in: Proceedings of the 7th International WWW Conference, 1998, Brisbane

http://infolab.stanford.edu/~backrub/google.html
http://infolab.stanford.edu/pub/papers/google.pdf

  Tillmann
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