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Posted to java-user@lucene.apache.org by Shakti_Sareen <Sh...@satyam.com> on 2007/11/22 16:46:06 UTC

help required urgent!!!!!!!!!!!

Hi 
I am using StandardAnalyser() to index the data.
But I want to do a like search on a word containing Hyphen
For example it want to search a word "soft-wa*"

I am getting no hits for that. It is said that if the hyphen is there in
the word, then we should include that word in the double quotes ("). But
enclosing the word in a double quotes (") means the exact word search.

How can I perform the like search on a word containing hyphen???????

Please help.

Regards,
Shakti Sareen





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Re: help required

Posted by Mark Miller <ma...@gmail.com>.
Copy the current Standard Analyzer and add '-' to the definition of a 
LETTER. You might work with the StandardAnazlyer on the trunk which uses 
JFlex rather than the current JavaCC flavor...the new one is something 
like 6-10 times faster.

- Mark

Shakti_Sareen wrote:
> Hi 
>
> Can anyone help me with a code having a class which extends the
> StandardAnalyzer and that analyzer should not tokenize the word across
> hyphen
>
>  
> SHAKTI SAREEN
>
> -----Original Message-----
> From: Shai Erera [mailto:serera@gmail.com] 
> Sent: Thursday, November 22, 2007 9:53 PM
> To: java-user@lucene.apache.org
> Subject: Re: help required urgent!!!!!!!!!!!
>
> The thing is - StandardAnalyzer breaks on hyphen. You'll need to work
> around
> this by either extend StandardAnalyzer
>
> >From StandardTokenizer's documentation (which is used by
> StandardAnalyzer):
> *   <li> *Splits words at hyphens, unless there's a number in the token,
> in
> which case
>  *     the whole token is interpreted as a product number and is not
> split.*
>
> I've investigated StandardAnalyzer's tokenization and it doesn't look
> simple
> to disable that behavior. What you can do is extend StandardAnalyzer and
> override its tokenStream method to create a TokenStream of your own. If
> you
> know your text is space separated, you can use StringTokenizer to split
> the
> text on spaces. If a token contains '-', don't break it, otherwise pass
> it
> forward the the TokenStream returned by StandardAnalyzer.
>
> Maybe someone else has a better answer, but if you insist on using
> StandardAnalyzer, I have a feeling it will be problematic.
>
> On Nov 22, 2007 6:02 PM, Shakti_Sareen < Shakti_Sareen@satyam.com>
> wrote:
>
>   
>> Hi
>>
>> But the file I am indexing is very big and I don't know which word
>>     
> will
>   
>> contain the hyphen. The thing you suggest can be implemented only if
>> there are some specific words in the file.
>>
>> Apart from StandardAnalyzer I have got no option.
>>
>> Thanks a lot for your reply.
>>
>> Please suggest me how can I go ahead.
>>
>>
>> SHAKTI SAREEN
>> GE-GDC
>> STC HYDERABAD
>> 9948777794
>>
>> -----Original Message-----
>> From: Shai Erera [mailto:serera@gmail.com]
>> Sent: Thursday, November 22, 2007 9:25 PM
>> To: java-user@lucene.apache.org
>> Subject: Re: help required urgent!!!!!!!!!!!
>>
>> Hi
>>
>> You can simply create a PrefixQuery. However, if you're using
>> StandardAnalyzer, and the word is added as Index.TOKENIZED,
>> sotf-wa<something> will be broken to 'soft' and 'wa<something>'.
>> Therefore
>> you'll need to add the word as Index.UN_TOKENIZED, or use a different
>> Analyzer when you index the data (for this field at least).
>>
>> Here's a sample code:
>>
>>        // Indexing.
>>        Document doc = new Document();
>>        doc.add(new Field("field", "soft-wash", Store.NO,
>> Index.UN_TOKENIZED
>> ));
>>
>>        // Search
>>        Query q = new PrefixQuery(new Term("field", "soft-wa"));
>>
>> Does that help?
>>
>> On Nov 22, 2007 5:46 PM, Shakti_Sareen < Shakti_Sareen@satyam.com>
>>     
> wrote:
>   
>>> Hi
>>> I am using StandardAnalyser() to index the data.
>>> But I want to do a like search on a word containing Hyphen
>>> For example it want to search a word "soft-wa*"
>>>
>>> I am getting no hits for that. It is said that if the hyphen is
>>>       
> there
>   
>> in
>>     
>>> the word, then we should include that word in the double quotes (").
>>>       
>> But
>>     
>>> enclosing the word in a double quotes (") means the exact word
>>>       
> search.
>   
>>> How can I perform the like search on a word containing hyphen???????
>>>
>>> Please help.
>>>
>>> Regards,
>>> Shakti Sareen
>>>
>>>
>>>
>>>
>>>
>>> DISCLAIMER:
>>> This email (including any attachments) is intended for the sole use
>>>       
> of
>   
>> the
>>     
>>> intended recipient/s and may contain material that is CONFIDENTIAL
>>>       
> AND
>   
>>> PRIVATE COMPANY INFORMATION. Any review or reliance by others or
>>>       
>> copying or
>>     
>>> distribution or forwarding of any or all of the contents in this
>>>       
>> message is
>>     
>>> STRICTLY PROHIBITED. If you are not the intended recipient, please
>>>       
>> contact
>>     
>>> the sender by email and delete all copies; your cooperation in this
>>>       
>> regard
>>     
>>> is appreciated.
>>>
>>>
>>>       
> ---------------------------------------------------------------------
>   
>>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>>
>>>
>>>       
>> --
>> Regards,
>>
>> Shai Erera
>>
>>
>> DISCLAIMER:
>> This email (including any attachments) is intended for the sole use of
>>     
> the
>   
>> intended recipient/s and may contain material that is CONFIDENTIAL AND
>> PRIVATE COMPANY INFORMATION. Any review or reliance by others or
>>     
> copying or
>   
>> distribution or forwarding of any or all of the contents in this
>>     
> message is
>   
>> STRICTLY PROHIBITED. If you are not the intended recipient, please
>>     
> contact
>   
>> the sender by email and delete all copies; your cooperation in this
>>     
> regard
>   
>> is appreciated.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>
>>     
>
>
>
>   
> ------------------------------------------------------------------------
>
> ---------------------------------------------------------------------
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help required

Posted by Shakti_Sareen <Sh...@satyam.com>.
Hi 

Can anyone help me with a code having a class which extends the
StandardAnalyzer and that analyzer should not tokenize the word across
hyphen

 
SHAKTI SAREEN

-----Original Message-----
From: Shai Erera [mailto:serera@gmail.com] 
Sent: Thursday, November 22, 2007 9:53 PM
To: java-user@lucene.apache.org
Subject: Re: help required urgent!!!!!!!!!!!

The thing is - StandardAnalyzer breaks on hyphen. You'll need to work
around
this by either extend StandardAnalyzer

>From StandardTokenizer's documentation (which is used by
StandardAnalyzer):
*   <li> *Splits words at hyphens, unless there's a number in the token,
in
which case
 *     the whole token is interpreted as a product number and is not
split.*

I've investigated StandardAnalyzer's tokenization and it doesn't look
simple
to disable that behavior. What you can do is extend StandardAnalyzer and
override its tokenStream method to create a TokenStream of your own. If
you
know your text is space separated, you can use StringTokenizer to split
the
text on spaces. If a token contains '-', don't break it, otherwise pass
it
forward the the TokenStream returned by StandardAnalyzer.

Maybe someone else has a better answer, but if you insist on using
StandardAnalyzer, I have a feeling it will be problematic.

On Nov 22, 2007 6:02 PM, Shakti_Sareen < Shakti_Sareen@satyam.com>
wrote:

> Hi
>
> But the file I am indexing is very big and I don't know which word
will
> contain the hyphen. The thing you suggest can be implemented only if
> there are some specific words in the file.
>
> Apart from StandardAnalyzer I have got no option.
>
> Thanks a lot for your reply.
>
> Please suggest me how can I go ahead.
>
>
> SHAKTI SAREEN
> GE-GDC
> STC HYDERABAD
> 9948777794
>
> -----Original Message-----
> From: Shai Erera [mailto:serera@gmail.com]
> Sent: Thursday, November 22, 2007 9:25 PM
> To: java-user@lucene.apache.org
> Subject: Re: help required urgent!!!!!!!!!!!
>
> Hi
>
> You can simply create a PrefixQuery. However, if you're using
> StandardAnalyzer, and the word is added as Index.TOKENIZED,
> sotf-wa<something> will be broken to 'soft' and 'wa<something>'.
> Therefore
> you'll need to add the word as Index.UN_TOKENIZED, or use a different
> Analyzer when you index the data (for this field at least).
>
> Here's a sample code:
>
>        // Indexing.
>        Document doc = new Document();
>        doc.add(new Field("field", "soft-wash", Store.NO,
> Index.UN_TOKENIZED
> ));
>
>        // Search
>        Query q = new PrefixQuery(new Term("field", "soft-wa"));
>
> Does that help?
>
> On Nov 22, 2007 5:46 PM, Shakti_Sareen < Shakti_Sareen@satyam.com>
wrote:
>
> > Hi
> > I am using StandardAnalyser() to index the data.
> > But I want to do a like search on a word containing Hyphen
> > For example it want to search a word "soft-wa*"
> >
> > I am getting no hits for that. It is said that if the hyphen is
there
> in
> > the word, then we should include that word in the double quotes (").
> But
> > enclosing the word in a double quotes (") means the exact word
search.
> >
> > How can I perform the like search on a word containing hyphen???????
> >
> > Please help.
> >
> > Regards,
> > Shakti Sareen
> >
> >
> >
> >
> >
> > DISCLAIMER:
> > This email (including any attachments) is intended for the sole use
of
> the
> > intended recipient/s and may contain material that is CONFIDENTIAL
AND
> > PRIVATE COMPANY INFORMATION. Any review or reliance by others or
> copying or
> > distribution or forwarding of any or all of the contents in this
> message is
> > STRICTLY PROHIBITED. If you are not the intended recipient, please
> contact
> > the sender by email and delete all copies; your cooperation in this
> regard
> > is appreciated.
> >
> >
---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> >
> >
>
>
> --
> Regards,
>
> Shai Erera
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of
the
> intended recipient/s and may contain material that is CONFIDENTIAL AND
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or
copying or
> distribution or forwarding of any or all of the contents in this
message is
> STRICTLY PROHIBITED. If you are not the intended recipient, please
contact
> the sender by email and delete all copies; your cooperation in this
regard
> is appreciated.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>



-- 
Regards,

Shai Erera


DISCLAIMER:
This email (including any attachments) is intended for the sole use of the intended recipient/s and may contain material that is CONFIDENTIAL AND PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or distribution or forwarding of any or all of the contents in this message is STRICTLY PROHIBITED. If you are not the intended recipient, please contact the sender by email and delete all copies; your cooperation in this regard is appreciated.


Re: help required urgent!!!!!!!!!!!

Posted by Shai Erera <se...@gmail.com>.
The thing is - StandardAnalyzer breaks on hyphen. You'll need to work around
this by either extend StandardAnalyzer

>From StandardTokenizer's documentation (which is used by StandardAnalyzer):
*   <li> *Splits words at hyphens, unless there's a number in the token, in
which case
 *     the whole token is interpreted as a product number and is not split.*

I've investigated StandardAnalyzer's tokenization and it doesn't look simple
to disable that behavior. What you can do is extend StandardAnalyzer and
override its tokenStream method to create a TokenStream of your own. If you
know your text is space separated, you can use StringTokenizer to split the
text on spaces. If a token contains '-', don't break it, otherwise pass it
forward the the TokenStream returned by StandardAnalyzer.

Maybe someone else has a better answer, but if you insist on using
StandardAnalyzer, I have a feeling it will be problematic.

On Nov 22, 2007 6:02 PM, Shakti_Sareen < Shakti_Sareen@satyam.com> wrote:

> Hi
>
> But the file I am indexing is very big and I don't know which word will
> contain the hyphen. The thing you suggest can be implemented only if
> there are some specific words in the file.
>
> Apart from StandardAnalyzer I have got no option.
>
> Thanks a lot for your reply.
>
> Please suggest me how can I go ahead.
>
>
> SHAKTI SAREEN
> GE-GDC
> STC HYDERABAD
> 9948777794
>
> -----Original Message-----
> From: Shai Erera [mailto:serera@gmail.com]
> Sent: Thursday, November 22, 2007 9:25 PM
> To: java-user@lucene.apache.org
> Subject: Re: help required urgent!!!!!!!!!!!
>
> Hi
>
> You can simply create a PrefixQuery. However, if you're using
> StandardAnalyzer, and the word is added as Index.TOKENIZED,
> sotf-wa<something> will be broken to 'soft' and 'wa<something>'.
> Therefore
> you'll need to add the word as Index.UN_TOKENIZED, or use a different
> Analyzer when you index the data (for this field at least).
>
> Here's a sample code:
>
>        // Indexing.
>        Document doc = new Document();
>        doc.add(new Field("field", "soft-wash", Store.NO,
> Index.UN_TOKENIZED
> ));
>
>        // Search
>        Query q = new PrefixQuery(new Term("field", "soft-wa"));
>
> Does that help?
>
> On Nov 22, 2007 5:46 PM, Shakti_Sareen < Shakti_Sareen@satyam.com> wrote:
>
> > Hi
> > I am using StandardAnalyser() to index the data.
> > But I want to do a like search on a word containing Hyphen
> > For example it want to search a word "soft-wa*"
> >
> > I am getting no hits for that. It is said that if the hyphen is there
> in
> > the word, then we should include that word in the double quotes (").
> But
> > enclosing the word in a double quotes (") means the exact word search.
> >
> > How can I perform the like search on a word containing hyphen???????
> >
> > Please help.
> >
> > Regards,
> > Shakti Sareen
> >
> >
> >
> >
> >
> > DISCLAIMER:
> > This email (including any attachments) is intended for the sole use of
> the
> > intended recipient/s and may contain material that is CONFIDENTIAL AND
> > PRIVATE COMPANY INFORMATION. Any review or reliance by others or
> copying or
> > distribution or forwarding of any or all of the contents in this
> message is
> > STRICTLY PROHIBITED. If you are not the intended recipient, please
> contact
> > the sender by email and delete all copies; your cooperation in this
> regard
> > is appreciated.
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> >
> >
>
>
> --
> Regards,
>
> Shai Erera
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of the
> intended recipient/s and may contain material that is CONFIDENTIAL AND
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or
> distribution or forwarding of any or all of the contents in this message is
> STRICTLY PROHIBITED. If you are not the intended recipient, please contact
> the sender by email and delete all copies; your cooperation in this regard
> is appreciated.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>



-- 
Regards,

Shai Erera

Re: help required urgent!!!!!!!!!!!

Posted by Matthijs Bierman <ma...@impressie.nl>.
Hi

Simply create your own analyzer with JavaCC. See the repository for the 
latest StandardAnalyzer.jj file, make sure the Analyzer accepts anything 
with a hypen as a single token.
And try not to yell, please. Most of the questions are urgent, there is 
no need for emphasis - especially in this manner.

Good luck,
Matthijs



Shakti_Sareen wrote:
> Hi
>
> But the file I am indexing is very big and I don't know which word will
> contain the hyphen. The thing you suggest can be implemented only if
> there are some specific words in the file.
>
> Apart from StandardAnalyzer I have got no option.
>
> Thanks a lot for your reply.
>
> Please suggest me how can I go ahead.
>
>  
> SHAKTI SAREEN
> GE-GDC
> STC HYDERABAD
> 9948777794
>
> -----Original Message-----
> From: Shai Erera [mailto:serera@gmail.com] 
> Sent: Thursday, November 22, 2007 9:25 PM
> To: java-user@lucene.apache.org
> Subject: Re: help required urgent!!!!!!!!!!!
>
> Hi
>
> You can simply create a PrefixQuery. However, if you're using
> StandardAnalyzer, and the word is added as Index.TOKENIZED,
> sotf-wa<something> will be broken to 'soft' and 'wa<something>'.
> Therefore
> you'll need to add the word as Index.UN_TOKENIZED, or use a different
> Analyzer when you index the data (for this field at least).
>
> Here's a sample code:
>
>         // Indexing.
>         Document doc = new Document();
>         doc.add(new Field("field", "soft-wash", Store.NO,
> Index.UN_TOKENIZED
> ));
>
>         // Search
>         Query q = new PrefixQuery(new Term("field", "soft-wa"));
>
> Does that help?
>
> On Nov 22, 2007 5:46 PM, Shakti_Sareen <Sh...@satyam.com> wrote:
>
>   
>> Hi
>> I am using StandardAnalyser() to index the data.
>> But I want to do a like search on a word containing Hyphen
>> For example it want to search a word "soft-wa*"
>>
>> I am getting no hits for that. It is said that if the hyphen is there
>>     
> in
>   
>> the word, then we should include that word in the double quotes (").
>>     
> But
>   
>> enclosing the word in a double quotes (") means the exact word search.
>>
>> How can I perform the like search on a word containing hyphen???????
>>
>> Please help.
>>
>> Regards,
>> Shakti Sareen
>>
>>
>>
>>
>>
>> DISCLAIMER:
>> This email (including any attachments) is intended for the sole use of
>>     
> the
>   
>> intended recipient/s and may contain material that is CONFIDENTIAL AND
>> PRIVATE COMPANY INFORMATION. Any review or reliance by others or
>>     
> copying or
>   
>> distribution or forwarding of any or all of the contents in this
>>     
> message is
>   
>> STRICTLY PROHIBITED. If you are not the intended recipient, please
>>     
> contact
>   
>> the sender by email and delete all copies; your cooperation in this
>>     
> regard
>   
>> is appreciated.
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>
>>
>>     
>
>
>   
> ------------------------------------------------------------------------
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org


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RE: help required urgent!!!!!!!!!!!

Posted by Shakti_Sareen <Sh...@satyam.com>.
Hi

But the file I am indexing is very big and I don't know which word will
contain the hyphen. The thing you suggest can be implemented only if
there are some specific words in the file.

Apart from StandardAnalyzer I have got no option.

Thanks a lot for your reply.

Please suggest me how can I go ahead.

 
SHAKTI SAREEN
GE-GDC
STC HYDERABAD
9948777794

-----Original Message-----
From: Shai Erera [mailto:serera@gmail.com] 
Sent: Thursday, November 22, 2007 9:25 PM
To: java-user@lucene.apache.org
Subject: Re: help required urgent!!!!!!!!!!!

Hi

You can simply create a PrefixQuery. However, if you're using
StandardAnalyzer, and the word is added as Index.TOKENIZED,
sotf-wa<something> will be broken to 'soft' and 'wa<something>'.
Therefore
you'll need to add the word as Index.UN_TOKENIZED, or use a different
Analyzer when you index the data (for this field at least).

Here's a sample code:

        // Indexing.
        Document doc = new Document();
        doc.add(new Field("field", "soft-wash", Store.NO,
Index.UN_TOKENIZED
));

        // Search
        Query q = new PrefixQuery(new Term("field", "soft-wa"));

Does that help?

On Nov 22, 2007 5:46 PM, Shakti_Sareen <Sh...@satyam.com> wrote:

> Hi
> I am using StandardAnalyser() to index the data.
> But I want to do a like search on a word containing Hyphen
> For example it want to search a word "soft-wa*"
>
> I am getting no hits for that. It is said that if the hyphen is there
in
> the word, then we should include that word in the double quotes (").
But
> enclosing the word in a double quotes (") means the exact word search.
>
> How can I perform the like search on a word containing hyphen???????
>
> Please help.
>
> Regards,
> Shakti Sareen
>
>
>
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of
the
> intended recipient/s and may contain material that is CONFIDENTIAL AND
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or
copying or
> distribution or forwarding of any or all of the contents in this
message is
> STRICTLY PROHIBITED. If you are not the intended recipient, please
contact
> the sender by email and delete all copies; your cooperation in this
regard
> is appreciated.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>


-- 
Regards,

Shai Erera


DISCLAIMER:
This email (including any attachments) is intended for the sole use of the intended recipient/s and may contain material that is CONFIDENTIAL AND PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or distribution or forwarding of any or all of the contents in this message is STRICTLY PROHIBITED. If you are not the intended recipient, please contact the sender by email and delete all copies; your cooperation in this regard is appreciated.


Re: help required urgent!!!!!!!!!!!

Posted by Shai Erera <se...@gmail.com>.
Hi

You can simply create a PrefixQuery. However, if you're using
StandardAnalyzer, and the word is added as Index.TOKENIZED,
sotf-wa<something> will be broken to 'soft' and 'wa<something>'. Therefore
you'll need to add the word as Index.UN_TOKENIZED, or use a different
Analyzer when you index the data (for this field at least).

Here's a sample code:

        // Indexing.
        Document doc = new Document();
        doc.add(new Field("field", "soft-wash", Store.NO, Index.UN_TOKENIZED
));

        // Search
        Query q = new PrefixQuery(new Term("field", "soft-wa"));

Does that help?

On Nov 22, 2007 5:46 PM, Shakti_Sareen <Sh...@satyam.com> wrote:

> Hi
> I am using StandardAnalyser() to index the data.
> But I want to do a like search on a word containing Hyphen
> For example it want to search a word "soft-wa*"
>
> I am getting no hits for that. It is said that if the hyphen is there in
> the word, then we should include that word in the double quotes ("). But
> enclosing the word in a double quotes (") means the exact word search.
>
> How can I perform the like search on a word containing hyphen???????
>
> Please help.
>
> Regards,
> Shakti Sareen
>
>
>
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of the
> intended recipient/s and may contain material that is CONFIDENTIAL AND
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or
> distribution or forwarding of any or all of the contents in this message is
> STRICTLY PROHIBITED. If you are not the intended recipient, please contact
> the sender by email and delete all copies; your cooperation in this regard
> is appreciated.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>


-- 
Regards,

Shai Erera