Search (1 results, page 1 of 1)

  • × author_ss:"Chowdhury, A."
  • × theme_ss:"Retrievalstudien"
  1. Lundquist, C.; Grossmann, D.A.; Reichart, J.; Holmes, D.O.; Chowdhury, A.; Frieder, O.: Using relevance feedback within the relational model for TREC-5 (1997) 0.02
    0.02347715 = product of:
      0.082170025 = sum of:
        0.042319432 = weight(_text_:u in 3093) [ClassicSimilarity], result of:
          0.042319432 = score(doc=3093,freq=2.0), product of:
            0.11697611 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03572396 = queryNorm
            0.3617784 = fieldWeight in 3093, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=3093)
        0.03985059 = weight(_text_:j in 3093) [ClassicSimilarity], result of:
          0.03985059 = score(doc=3093,freq=2.0), product of:
            0.11351275 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03572396 = queryNorm
            0.35106707 = fieldWeight in 3093, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.078125 = fieldNorm(doc=3093)
      0.2857143 = coord(2/7)
    
    Source
    The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman