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From "Ricardo Pereira da Silva" <ricardo.psi...@gmail.com>
Subject Re: searchs based on text
Date Tue, 27 Feb 2007 16:26:44 GMT
Hi,

   I'm very happy  that I  can make myself understandable, so , thank's very
much fou your opinion!

   I really appreciate your hints, and now I have some direction to take in
my study.

   Thank you very much!


Best Regards,

Ricardo Pereira - Brazil




On 2/27/07, mark harwood <markharw00d@yahoo.co.uk> wrote:
>
> Take a look at the "MoreLikeThis" class in the "contrib" section will
> reduce large amounts of text like your example paragraphs to only the
> "important" words which are useful for searching and provide you with a
> query object you can run.
>
> The disadvantage of trying to feed your example content through the
> default QueryParser is:
> 1) It will reject any illegal query syntax (e.g. unclosed brackets ) in
> your text
> 2) It may throw a TooManyClauses exception if the text is too long (the
> default limit is 1024 terms)
> 3) Your query is likely to take a long time to execute because of the
> large number of query terms used.
>
> Cheers,
> Mark
>
>
> ----- Original Message ----
> From: Ricardo Pereira da Silva <ricardo.psilva@gmail.com>
> To: java-user@lucene.apache.org
> Sent: Tuesday, 27 February, 2007 2:43:17 PM
> Subject: searchs based on text
>
> I've started to study Lucene just today and the demos give me much
> information on how
> to begin to use it.
>
> But I have one doubt that I couldn't resolve reading the docs and the demo
> sources:
> All the examples just search in the index by just a single word, but I
> need
> to know
> if it's possible to search in the index using a reference text.
>
> Let me explain:
>   supose that a web user reaches the search page of my commercial website
> and needs
>   to find a solution about some trouble. Then he types a long text (about
> three or four paragraphs)
>   and next clicks on the search button.
>
>   In this cenario, it's that possible to perform a search through the
> index
> using that long text?
>
>   What I need it's something just like the Help system of microsoft
> office.
>
>   I apreciate if someone could give me some directions.
>
> Best Regards.
>
> Ricardo Pereira - Brazil
>
>
> PS: If someone finds some error in this text, please submit me the
> corrections. I'll apreciate the indications.
>      I don't have money to do a great english course and I have try to
> learn
> by myself usind the BBC site.
>
>
>
>
>
>
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