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Posted to java-user@lucene.apache.org by miki sun <su...@hotmail.com> on 2006/04/11 19:46:25 UTC
search.Similarity
Hi there
Is there any theory behind the similarity measure of Lucene?
http://lucene.apache.org/java/docs/api/org/apache/lucene/search/Similarity.html
Thanks
Miki
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Re: search.Similarity
Posted by Erik Hatcher <er...@ehatchersolutions.com>.
In case anyone misses the smiley, I'm just teasing. Yes, there are
years of research and heavy duty experience that are behind Lucene.
There are quite a number of research documents and books that
describe information retrieval theory and practice, several of them
linked here:
<http://wiki.apache.org/jakarta-lucene/InformationRetrieval>
On Apr 11, 2006, at 2:06 PM, Erik Hatcher wrote:
> On Apr 11, 2006, at 1:46 PM, miki sun wrote:
>> Is there any theory behind the similarity measure of Lucene?
>>
>> http://lucene.apache.org/java/docs/api/org/apache/lucene/search/
>> Similarity.html
>
> No, Doug just made it up with some random mathematical formulas,
> just for fun :)
>
> Erik
>
>
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Re: search.Similarity
Posted by Erik Hatcher <er...@ehatchersolutions.com>.
On Apr 11, 2006, at 1:46 PM, miki sun wrote:
> Is there any theory behind the similarity measure of Lucene?
>
> http://lucene.apache.org/java/docs/api/org/apache/lucene/search/
> Similarity.html
No, Doug just made it up with some random mathematical formulas, just
for fun :)
Erik
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