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Truncation operator and relevance ranking?
Posted by: David Robertson
Date: May 05, 2005 01:12PM

Greetings,

We would like to begin supporting the truncation operator on our website's search engine--however, we still require the results to be sorted by relevance. If a client enters "televis*" into the search engine, and we perform the search in boolean mode, pages containing "television", "televise", "televised", etc will be returned. However, because it is a boolean mode search, all rows will have a relevancy value of 1.

A user-provided "workaround" on the MySQL site said to use the same keywords but NOT in boolean mode to get a usable relevance ranking. However, a standard fulltext search for "televis" or "televis*" will return no rows.

Anyone have any experience with a similar problem, and could provide some insight into getting a trustworthy relevance ranking?

Thanks in advance.



Edited 1 time(s). Last edit at 05/05/2005 01:12PM by David Robertson.

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