Hi,
Thank you for your reply. I had thought about the first two solutions
before. If we apply one doc for each MeSH term, it would be 26 docs for each
item digested(we actually need the top 25 MeSH terms generated), would it be
any problem if there are too many documents? If we apply field name like
"mesh_1", "mesh_2"..., when it comes to search, we will have to generate a
loop for each single one of the query terms( there will be more than 20-30
terms on average, since we are using sematic web to implement concept
search), do you think it would affect the performance in a very bad way?
Regards,
Xin
----- Original Message -----
From: "Dedian Guo" <[EMAIL PROTECTED]>
To: <java-user@lucene.apache.org>; "Zhao, Xin" <[EMAIL PROTECTED]>
Sent: Thursday, August 24, 2006 4:22 PM
Subject: Re: controlled library
in my solution, you can apply one doc for each mesh term, or apply
different
keyword such as "mesh_1"...."mesh_10" for your top 10 terms...or u can
group
your mesh terms as one string then add into a field, which requires a
simple
string parser for the group string when you wanna read the terms...
not sure if that works or answers your question...
On 8/24/06, Zhao, Xin <[EMAIL PROTECTED]> wrote:
Hi,
I have a design question. Here is what we try to do for indexing:
We designed an indexing tool to generate standard MeSH terms from medical
citations, and then use Lucene to save the terms and citations for future
search. The information we need to save are:
a) the exact mesh terms (top 10)
b) the score for each term
so the codings are like
-----------------------------------
for the top 10 MeSH Terms
myField=Field.Keyword("mesh", mesh.toLowerCase());
myField.setBoost(score);
doc.add(myFiled);
end for
------------------------------------
as you could see we generate all the terms under named field "mesh". If I
understand correctly, all the fields under the same name would
eventually save into one field, with all the scores be normalized into
filed boost. In this case, we wouldn't be able to save separate score, so
the information is lost. Am I correct? Is there anyway we could change
it? I
understand Lucene is for keyword search, and what we try to do is
Controlled
Vocabulary search, Any other tool we could use?
Thank you,
Xin
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