Examples of org.apache.lucene.search.similar.MoreLikeThis.like()

Package org.apache.lucene.search.similar

Class org.apache.lucene.search.similar.MoreLikeThis

Examples of org.apache.lucene.search.similar.MoreLikeThis.like()

org.apache.lucene.search.similar.MoreLikeThis.like()
Return a query that will return docs like the passed lucene document ID. @param docNum the documentID of the lucene doc to generate the 'More Like This" query for. @return a query that will return docs like the passed lucene document ID.

    moreLikeThis.setMinTermFreq(1);
    moreLikeThis.setMinDocFreq(1);
    
    //<start id="lucene.examples.mlt.query"/>
    Reader reader = new FileReader(inputPath); //<co id="mlt.query"/>
    Query query = moreLikeThis.like(reader); 


    TopDocs results 
      = indexSearcher.search(query, maxResults); //<co id="mlt.search"/>
    
    HashMap<String, CategoryHits> categoryHash

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    if (minDocFreq >= 0) {
      mlt.setMinDocFreq(minDocFreq);
    }
    mlt.setMaxQueryTerms(maxQueryTerms);
    mlt.setStopWords(stopWords);
    BooleanQuery bq = (BooleanQuery) mlt.like(new StringReader(likeText), fieldName);
    BooleanClause[] clauses = bq.getClauses();
    // make at least half the terms match
    bq.setMinimumNumberShouldMatch((int) (clauses.length * percentTermsToMatch));
    return bq;
  }

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        mlt.setMinWordLen(minWordLen);
        mlt.setMaxWordLen(maxWordLen);
        mlt.setStopWords(stopWords);
        mlt.setBoost(boostTerms);
        mlt.setBoostFactor(boostTermsFactor);
        BooleanQuery bq = (BooleanQuery) mlt.like(new FastStringReader(likeText));
        BooleanClause[] clauses = bq.getClauses();


        bq.setMinimumNumberShouldMatch((int) (clauses.length * percentTermsToMatch));
        return bq;
    }

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        mlt.setFieldNames(moreLikeFields);
        mlt.setAnalyzer(analyzer);
        mlt.setMinTermFreq(minTermFrequency);
        mlt.setMaxQueryTerms(maxQueryTerms);
        mlt.setStopWords(stopWords);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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        {
          mlt.setMinDocFreq(minDocFreq);
        }        
        mlt.setMaxQueryTerms(maxQueryTerms);
        mlt.setStopWords(stopWords);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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        mlt.setFieldNames(moreLikeFields);
        mlt.setAnalyzer(analyzer);
        mlt.setMinTermFreq(minTermFrequency);
        mlt.setMaxQueryTerms(maxQueryTerms);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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        {
          mlt.setMinDocFreq(minDocFreq);
        }        
        mlt.setMaxQueryTerms(maxQueryTerms);
        mlt.setStopWords(stopWords);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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        mlt.setFieldNames(moreLikeFields);
        mlt.setAnalyzer(analyzer);
        mlt.setMinTermFreq(minTermFrequency);
        mlt.setMaxQueryTerms(maxQueryTerms);
        mlt.setStopWords(stopWords);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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        MoreLikeThis mlt = new MoreLikeThis(reader);
        String[] fields = {DBpediaResourceField.CONTEXT.toString()};
        mlt.setFieldNames(fields);
        mlt.setAnalyzer(this.mDefaultAnalyzer);
        InputStream inputStream = new ByteArrayInputStream(text.text().getBytes("UTF-8"));
        Query query = mlt.like(inputStream);
        return query;
    }

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        {
          mlt.setMinDocFreq(minDocFreq);
        }        
        mlt.setMaxQueryTerms(maxQueryTerms);
        mlt.setStopWords(stopWords);
        BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));        
        BooleanClause[] clauses = bq.getClauses();
        //make at least half the terms match
        bq.setMinimumNumberShouldMatch((int)(clauses.length*percentTermsToMatch));
        return bq;
    }

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