Instead of this:
MoreLikeThis mlt = new MoreLikeThis(ir);
Reader target = ... // orig source of doc you want to find similarities to
Query query = mlt.like( target);
Hits hits = is.search(query);
do this:
MoreLikeThis mlt = new MoreLikeThis(ir);
Reader target = ... // orig source of doc you want to find similarities to
Query moreQuery = mlt.like( target);
BooleanQuery bq = new BooleanQuery();
bq.add(moreQuery, BooleanClause.Occur.MUST);
Query restrictQuery = new TermQuery(new Term("Category", "A"));
bq.add(restrictQuery, BooleanClause.Occur.MUST);
Hits hits = is.search(bq);
-glen
2008/4/22 Jonathan Ariel <[EMAIL PROTECTED]>:
> Is there any way to execute a MoreLikeThis over a subset of documents? I
> need to retrieve a set of interesting keywords from a subset of documents
> and not the entire index (imagine that my index has documents categorized as
> A, B and C and I just want to work with those categorized as A). Right now
> it is using docFreq from the IndexReader. So I looked into the
> FilterIndexReader to see if I can override the docFreq behavior, but I'm not
> sure if it's possible.
>
> What do you think?
>
> Jonathan
>
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