On Nov 22, 2008, at 10:57 PM, Ian Holsman wrote:
Hi. apologies for the off-topic question.
Not off-topic at all!
I was wondering if anyone knew of a open source solution (or a
pointer to the algorithms)
that do the reverse of lucene.
By that I mean store a whole lot of queries, and run them against a
document to see which queries match it. (with a score etc)
I can see the case for this would be a news-article and several
people writing queries to get alerted if it matched a certain
condition.
This use-case was the reason MemoryIndex was created. It's a fast
single document index where incoming documents could be sent in
parallel to the main index - and slamming a bunch of queries at it.
There's also InstantiatedIndex to compare to, as it can handle
multiple documents.
Erik
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