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From <>
Subject RE: Sorting results by both score and date
Date Fri, 16 Sep 2005 14:48:44 GMT
>> What I really want to do is sort by "A * (1-(B/700))", where A is the
>> score, and B is the age (in days) of the document. IE - the score is
>> basically "scaled down" with date.

> Maybe the TSS case study will help, though they rebuild their index  
> nightly and can adjust the boost based on the current day.

Just read this - it looks like the best option for us. I think we could 
get away with only periodically reindexing by just inflating the boost
marginally over time. Are there limits to boost? Any reason we can't 
use a boost of, say, 0.0001 or 10,000? 



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