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From Weiwei Wang <ww.wang...@gmail.com>
Subject Re: How to do alias(Pinyin) search in Lucene
Date Wed, 16 Dec 2009 04:43:15 GMT
Thanks Robert, a lot is learned from you:-)

On Wed, Dec 16, 2009 at 11:53 AM, Robert Muir <rcmuir@gmail.com> wrote:

> 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
>



-- 
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

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