Thank you for the Replay, i have got it. Kamal. Original Message: What does the searcher.explain() method say? <br /> <br />-Grant <br /> <br />On May 6, 2009, at 2:18 AM, Kamal Najib wrote: <br /> <br />> hi, <br />> thanks for the reply.see: http://lucene.apache.org/java/2_4_1/api/index.html <br />> you will find there the Similarity have created and run to get the <br />> similarity between the two Strings.I did the folow: <br />> I created a doc: <br />> doc.add(new Field("term","this expression of galectin-1 in blood <br />> vessel walls was correlated with vascular", <br />> Field.Store.YES,Field.Index.TOKENIZED)); <br />> then I indexed it and i ran the followed Similarity query to get the <br />> cosine similarity : <br />> query=SimilarityQueries.formSimilarQuery("this expression of <br />> galectin-1 in blood vessel walls was correlated with <br />> vascular",analyzer,"term",null); <br />> ScoreDoc[] scoreDocs = searcher.search(query,5).scoreDocs; <br />> I got the score mentioned above.(0.3044460713863373) <br />> thanks. <br />> kamal <br />> Original Message: <br />> <br />> What is SimilarityQueries? I'd try the explain capabilities to see <br />> <br />more. <br />> <br /> <br />> <br /> <br />> <br />On May 5, 2009, at 2:23 PM, Kamal Najib wrote: <br />> <br /> <br />> <br />> hi all, <br />> <br />> i got the similarity score 0.3044460713863373 between two <br />> docs which <br />> <br />> have the same text content, is it correct? I expected 1.0, <br />> hier is <br />> <br />> my result line: <br />> <br />> <br />> <br />> doc:"this expression of galectin-1 in blood vessel walls was <br />> <br />> correlated with vascular" <br />> <br />> doc2 :"this expression of galectin-1 in blood vessel walls was <br />> <br />> correlated with vascular" Score :"0.3044460713863373" <br />> <br />> is the score correct? <br />> <br />> my methode is : <br />> <br />> public double getSimilarity(String v1,String v2) throws <br />> Exception <br />> <br />> { <br />> <br />> <br />> <br />> float result=0; <br />> <br />> directory = new RAMDirectory(); <br />> <br />> Analyzer analyzer = new StandardAnalyzer(); <br />> <br />> IndexWriter writer = new IndexWriter(directory, analyzer, <br />> <br />> true, IndexWriter.MaxFieldLength.LIMITED); <br />> <br />> <br />> <br />> <br />> <br />> Document doc1 = new Document(); <br />> <br />> doc1.add(new Field("term",v1, Field.Store.YES, <br />> <br />> Field.Index.TOKENIZED)); <br />> <br />> writer.addDocument(doc1); <br />> <br />> writer.close(); <br />> <br />> IndexReader ir=IndexReader.open(directory); <br />> <br />> IndexSearcher searcher = new IndexSearcher(directory); <br />> <br />> Query <br />> <br />> <br />> query=SimilarityQueries.formSimilarQuery(v2,analyzer,"term",null); <br />> <br />> ScoreDoc[] scoreDocs = searcher.search(query,5).scoreDocs; <br />> <br />> int docNum = scoreDocs[0].doc; <br />> <br />> result = scoreDocs[0].score; <br />> <br />> Document hitDoc = searcher.doc(docNum); <br />> <br />> System.out.println("Term 1 :"+v2+" <br />> Term2:"+hitDoc.get("term")+" <br />> <br />> Score :"+result); <br />> <br />> return result; <br />> <br />> } <br />> <br />> please help. <br />> <br />> thanks in advance. <br />> <br />> Kamal <br />> <br />> -- <br />> <br />> <br />> <br />> <br />> <br />> <br />> --------------------------------------------------------------------- <br />> <br />> To unsubscribe, e-mail: java-user- <br />> unsubscr...@lucene.apache.org <br />> <br />> For additional commands, e-mail: java-user-h...@lucene.apache.org <br />> <br /> <br />> <br />-------------------------- <br />> <br />Grant Ingersoll <br />> <br />http://www.lucidimagination.com/ <br />> <br /> <br />> <br />Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/ <br />> Droids) <br />> <br />using Solr/Lucene: <br />> <br />http://www.lucidimagination.com/search <br />> <br /> <br />> <br /> <br />> <br /> >--------------------------------------------------------------------- <br />> <br />To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org <br />> <br />For additional commands, e-mail: java-user- <br />> h...@lucene.apache.org <br />> <br /> <br />> <br /> <br />> <br />> -- <br />> <br />> <br />> --------------------------------------------------------------------- <br />> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org <br />> For additional commands, e-mail: java-user-h...@lucene.apache.org <br /> <br />-------------------------- <br />Grant Ingersoll <br />http://www.lucidimagination.com/ <br /> <br />Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids) <br />using Solr/Lucene: <br />http://www.lucidimagination.com/search <br /> <br /> <br />--------------------------------------------------------------------- <br />To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org <br />For additional commands, e-mail: java-user-h...@lucene.apache.org <br /> <br />
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