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From Stanley Xinlei Wang <stanl...@csail.mit.edu>
Subject Question: Using Shingle Analyzer NGramAnalyzerWrapper in Lucene
Date Tue, 26 Feb 2008 20:31:37 GMT
Hi,

In Lucene, I'm trying to perform word-level bi-gram query parsing using 
NGramAnalyzerWrapper.  I'm couldn't get any word pairs in the parsed query 
and I was wondering what I should do to make this work.  I'm using Lucene 
2.2.0

I'm using the files from: https://issues.apache.org/jira/browse/lucene-400

My code is:

NGramAnalyzerWrapper analyzer = new NGramAnalyzerWrapper(new
 	StandardAnalyzer(), 2);
QueryParser p = new QueryParser("info", analyzer);
Query query = lyricsParser.parse("this is my query");
System.out.println(query.toString());

When I run this, I get the following output, which has no bi-grams:

lyrics:this lyrics:is lyrics:a lyrics:query


Thank you for your help!

Stanley

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