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From Robert Muir <rcm...@gmail.com>
Subject Re: How to do alias(Pinyin) search in Lucene
Date Wed, 16 Dec 2009 03:53:20 GMT
Hi, just one more thought for you.

I think even more important than anything I said before, you should ensure
you implement reusableTokenStream in your analyzer.
this becomes a necessity if you are using expensive objects like this.

2009/12/15 Weiwei Wang <ww.wang.cs@gmail.com>

> Finally, i make it run, however, it works so slow
>
> 2009/12/15 Weiwei Wang <ww.wang.cs@gmail.com>
>
> > got it, thanks, Robert
> >
> >
> > On Tue, Dec 15, 2009 at 10:19 PM, Robert Muir <rcmuir@gmail.com> wrote:
> >
> >>  if you have lucene 2.9 or 3.0 source code, just run patch -p0 <
> >> /path/to/LUCENE-XXYY.patch from the lucene source code root directory...
> >> it
> >> should create the necessary directory and files.
> >> then run 'ant' , in this case it should create a lucene-icu jar file in
> >> the
> >> build directory.
> >>
> >> the patch doesnt include the icu dependency itself so you need to get
> that
> >> jar file from www.icu-project.org and have it in your classpath also
> >>
> >> sorry for the trouble, hope to integrate some of this soon for a future
> >> release.
> >>
> >> On Tue, Dec 15, 2009 at 9:13 AM, Weiwei Wang <ww.wang.cs@gmail.com>
> >> wrote:
> >>
> >> > Yes, i found the patch file LUCENE-1488.patch and there's no icu
> >> directory
> >> > in my dowloaded contrib directory.
> >> >
> >> > I'm a rookie guy using patch, i'm currently in the contrib dir, could
> >> > anybody tell me how to execute this patch command to generate the
> >> relevant
> >> > dir and souce files?
> >> >
> >> > On Tue, Dec 15, 2009 at 9:51 PM, Robert Muir <rcmuir@gmail.com>
> wrote:
> >> >
> >> > > look at the latest patch file attached to the issue, it should work
> >> with
> >> > > lucene 2.9 or greater (I think)
> >> > >
> >> > > 2009/12/15 Weiwei Wang <ww.wang.cs@gmail.com>
> >> > >
> >> > > > where can i find the source code?
> >> > > >
> >> > > > On Tue, Dec 15, 2009 at 9:40 PM, Robert Muir <rcmuir@gmail.com>
> >> wrote:
> >> > > >
> >> > > > > there is an icu transform tokenfilter in the patch here:
> >> > > > > http://issues.apache.org/jira/browse/LUCENE-1488
> >> > > > >
> >> > > > >    Transliterator pinyin =
> >> Transliterator.getInstance("Han-Latin");
> >> > > > >    Tokenizer tokenizer = new KeywordTokenizer(new
> >> > StringReader("中国"));
> >> > > > >    ICUTransformFilter filter = new ICUTransformFilter(tokenizer,
> >> > > pinyin);
> >> > > > >    assertTokenStreamContents(filter, new String[] { "zhōng
guó"
> }
> >> );
> >> > > > >
> >> > > > > note it will add tone marks and insert space between syllables
> by
> >> > > default
> >> > > > > if you do not want this, you need to do some cleanup.
> >> > > > >
> >> > > > >    Transliterator pinyin =
> Transliterator.getInstance("Han-Latin;
> >> > NFD;
> >> > > > > [[:NonspacingMark:][:Space:]] Remove");
> >> > > > >    Tokenizer tokenizer = new KeywordTokenizer(new
> >> > StringReader("中国"));
> >> > > > >    ICUTransformFilter filter = new ICUTransformFilter(tokenizer,
> >> > > pinyin);
> >> > > > >    assertTokenStreamContents(filter, new String[] { "zhongguo"
}
> >> );
> >> > > > >
> >> > > > >
> >> > > > > 2009/12/15 Weiwei Wang <ww.wang.cs@gmail.com>
> >> > > > >
> >> > > > > > Hi, guys,
> >> > > > > >     I'm implementing a search engine based on Lucene
for
> >> Chinese.
> >> > So
> >> > > I
> >> > > > > want
> >> > > > > > to support pinyin search as Google China do.
> >> > > > > >
> >> > > > > > e.g.
> >> > > > > >    “中国”  means Chinese in English
> >> > > > > >    this word's pinyin input is "zhongguo"
> >> > > > > > The feature i want to implement is when user type zhongguo
the
> >> > > results
> >> > > > > will
> >> > > > > > include documents containing "中国" or even Chinese
> >> > > > > >
> >> > > > > > Anybody here know how to achieve this?
> >> > > > > >
> >> > > > > > --
> >> > > > > > Weiwei Wang
> >> > > > > > Alex Wang
> >> > > > > > 王巍巍
> >> > > > > > Room 403, Mengmin Wei Building
> >> > > > > > Computer Science Department
> >> > > > > > Gulou Campus of Nanjing University
> >> > > > > > Nanjing, P.R.China, 210093
> >> > > > > >
> >> > > > > > Homepage: http://cs.nju.edu.cn/rl/weiweiwang
> >> > > > > >
> >> > > > >
> >> > > > >
> >> > > > >
> >> > > > > --
> >> > > > > Robert Muir
> >> > > > > rcmuir@gmail.com
> >> > > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > > --
> >> > > > Weiwei Wang
> >> > > > Alex Wang
> >> > > > 王巍巍
> >> > > > Room 403, Mengmin Wei Building
> >> > > > Computer Science Department
> >> > > > Gulou Campus of Nanjing University
> >> > > > Nanjing, P.R.China, 210093
> >> > > >
> >> > > > Homepage: http://cs.nju.edu.cn/rl/weiweiwang
> >> > > >
> >> > >
> >> > >
> >> > >
> >> > > --
> >> > > Robert Muir
> >> > > rcmuir@gmail.com
> >> > >
> >> >
> >> >
> >> >
> >> > --
> >> > Weiwei Wang
> >> > Alex Wang
> >> > 王巍巍
> >> > Room 403, Mengmin Wei Building
> >> > Computer Science Department
> >> > Gulou Campus of Nanjing University
> >> > Nanjing, P.R.China, 210093
> >> >
> >> > Homepage: http://cs.nju.edu.cn/rl/weiweiwang
> >> >
> >>
> >>
> >>
> >> --
> >> Robert Muir
> >> rcmuir@gmail.com
> >>
> >
> >
> >
> > --
> > Weiwei Wang
> > Alex Wang
> > 王巍巍
> > Room 403, Mengmin Wei Building
> > Computer Science Department
> > Gulou Campus of Nanjing University
> > Nanjing, P.R.China, 210093
> >
> > Homepage: http://cs.nju.edu.cn/rl/weiweiwang
> >
>
>
>
> --
> Weiwei Wang
> Alex Wang
> 王巍巍
> Room 403, Mengmin Wei Building
> Computer Science Department
> Gulou Campus of Nanjing University
> Nanjing, P.R.China, 210093
>
> Homepage: http://cs.nju.edu.cn/rl/weiweiwang
>



-- 
Robert Muir
rcmuir@gmail.com

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