Examples of PwaBM25

org.apache.lucene.search.features.querydependent.PwaBM25
kipedia.org/wiki/Okapi_BM25 or book "The Probabilistic Relevance Framework" BM25 and Beyond" @author Miguel Costa

Examples of org.apache.lucene.search.features.querydependent.PwaBM25

    tf.add(3);
    
    Vector<Integer> idf=new Vector<Integer>();
    idf.add(1000);
      
    PwaBM25 ranker=new PwaBM25(tf,idf,100,1000.0,10000000);
    System.out.println(ranker.score());
        assertTrue(ranker.score()==9.862371362773622);
  }

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