I suspect that your boost values are too small to really influencethe scores
very much. Have you tried using boost values of, say,
d:5^100 OR uid:10^10 OR lang:lisp ?
But if you have specific documents that you *know* you want in
specific places, why play around with boosting at all? You can use
something like (untested pseudo code)
TermDocs td = blah blah blah
td.seek(new Term("uid", "5"));
if (td.next()) {
Document doc = IndexReader.document(td.doc());
...now do whatever you want with the document
}
Note that this just gets the first doc with matching terms, but from
your mail I'm assuming you're working with unique IDs....
Best
Erick
On Thu, May 21, 2009 at 2:15 AM, hacklisp <qingwuk...@gmail.com> wrote:
>
> Hi,balasubramanian Thanks for your reply.
>
> Both first:25 and second:90 perhaps include 'java' or not.
>
> I have set doc#90's boost is 3.15 and doc#25's boost is 1.0. I think that
> is
> key. I try to set query term boost to proper value, but it is not fix. to
> one is okay, but another not.
>
>
> balasubramanian sudaakeran wrote:
> >
> >
> > My guess that this can happen when your document matches more than one
> > condition. For example first:25 could match lang:java as well??
> >
> >
> >
> >
> > ----- Original Message ----
> > From: hacklisp <qingwuk...@gmail.com>
> > To: java-user@lucene.apache.org
> > Sent: Thursday, May 21, 2009 10:03:52 AM
> > Subject: About sort questions
> >
> >
> > I search 'lisp' with lucene application using the following query
> > string:
> > uid:5^3 OR uid:10^2 OR lang:lisp
> > I hope result as following:
> >
> > first:5 (which id is 5)
> > second:10 (which id is 10)
> > others:other results sort according to relevance.
> >
> > it is always ok, but sometimes not, the second will display before the
> > first.
> > for example:
> > uid:90^3 OR uid:25^2 OR lang:java
> > first:25 (which id is 5)
> > second:90 (which id is 10)
> > others:other results sort according to relevance.
> >
> > I hope search to return results strictly according to my input order.
> > Anyone can understand me? thanks in advance.
> > Any point will be appreciate.
> > --
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> >
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