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Posted to java-user@lucene.apache.org by 齐保元 <qi...@126.com> on 2012/07/20 11:58:51 UTC
how does lucene deal with intersection?
hi,
I have two collections:the first collection has documents like 'docID,content', and the other collection has documents like 'docID,ratings'.Is there any fast algorithm to get the intersection between these two collections after search? I canot merge the fields together for particular reasons.
Re: how does lucene deal with intersection?
Posted by Michael McCandless <lu...@mikemccandless.com>.
Maybe query time join?
See http://www.searchworkings.org/blog/-/blogs/query-time-joining-in-lucene
Mike McCandless
http://blog.mikemccandless.com
On Fri, Jul 20, 2012 at 5:58 AM, 齐保元 <qi...@126.com> wrote:
> hi,
> I have two collections:the first collection has documents like 'docID,content', and the other collection has documents like 'docID,ratings'.Is there any fast algorithm to get the intersection between these two collections after search? I canot merge the fields together for particular reasons.
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