I needed this myself not long time ago..
Here is a piece of code to get an Analyzer that will use a tokeniez and
an English stemmer, (for "bears" it will also return "bear" and vice
versa)
private static Analyzer createEnglishAnalyzer() {
return new Analyzer() {
public TokenStream tokenStream(String fieldName, Reader reader)
{
TokenStream result = new StandardTokenizer(reader);
result = new StandardFilter(result);
result = new LowerCaseFilter(result);
result = new StopFilter(result,
StandardAnalyzer.STOP_WORDS);
result = new SnowballFilter(result, "English");
return result;
}
};
}
__________________________________
Matt
-----Original Message-----
From: Tony Qian [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 08, 2007 7:51 PM
To: java-user@lucene.apache.org
Subject: Re: Plural word search
***** This message comes from the Internet Network *****
Erick,
thanks for information.
Tony
>From: "Erick Erickson" <[EMAIL PROTECTED]>
>Reply-To: java-user@lucene.apache.org
>To: java-user@lucene.apache.org
>Subject: Re: Plural word search
>Date: Thu, 8 Mar 2007 13:42:00 -0500
>
>as of 2.1, as I remember, you can use leading wildcards but ONLY
>you set a flag (see setAllowLeadingWildcard in QueryParser). Be
>aware of the TooManyClauses issue though (search the mail
>archive and you'll find many discussions of this issue).
>
>Erick
>
>On 3/8/07, Tony Qian <[EMAIL PROTECTED]> wrote:
>>
>>
>>Sachin,
>>
>>Thanks for quick response. Is there any code example i can take look?
I'm
>>not familiar with the technique you mentioned. My question is how the
>>analyzer knows "buss" is not a plural and bears is a plural.
>>
>>Lucene supports wildcard. However, we can not use wildcard at the
>>beginning
>>of search term such as *bear. is there a way to match *bear* (bear,
bears,
>>forbearance etc.) by search tern "bear"?
>>
>>thanks
>>
>> >From: "Kainth, Sachin" <[EMAIL PROTECTED]>
>> >Reply-To: java-user@lucene.apache.org
>> >To: <java-user@lucene.apache.org>
>> >Subject: RE: Plural word search
>> >Date: Thu, 8 Mar 2007 17:14:02 -0000
>> >
>> >Hi Tony,
>> >
>> >Lucene certainly does support it. It just requires you to use a
>> >tokeniser that performs stemming such as any analyzer that uses
>> >PorterStemFilter.
>> >
>> >Sachin
>> >
>> >-----Original Message-----
>> >From: Tony Qian [mailto:[EMAIL PROTECTED]
>> >Sent: 08 March 2007 16:52
>> >To: java-user@lucene.apache.org
>> >Subject: Plural word search
>> >
>> >All,
>> >
>> >I'm evaluating Lucene as a full-text search engine for a project. I
got
>> >one of the requirements as following:
>> >
>> >4) Plural Literal Search
>> >If you use the plural of a term such as bears the results will
include
>> >matches to the plural term bears as well as the singular term bear.
>> >
>> >it seems to me we need to build a dictionary to support it. Does
Lucene
>> >support it?
>> >
>> >appreciate your help.
>> >
>> >Tony
>> >
>> >_________________________________________________________________
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>> >
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