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From Herb Roitblat <herb.roitb...@orcatec.com>
Subject Re: is there a historical reason why default conjunction operator is "OR"?
Date Wed, 16 Apr 2014 16:38:01 GMT
Actually, Google uses OR.  The scoring algorithm favors documents that 
match on more of the ORed terms.

On 4/16/2014 8:17 AM, Min-Uk Kim wrote:
> Hello everyone,
>
> I  recently wondered,
> why lucene's default conjunction operator is "OR".
> Is there a historical reason for that?
>
> By the way,
> Google and other search engines seem to use "AND".
>
> Please show me the light.
> M
>


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