Search (1 results, page 1 of 1)

  • × author_ss:"Harper, D.J."
  • × type_ss:"d"
  1. Harper, D.J.: Relevance feedback in document retrieval (1980) 0.00
    0.0029747437 = product of:
      0.017848462 = sum of:
        0.017848462 = weight(_text_:in in 5867) [ClassicSimilarity], result of:
          0.017848462 = score(doc=5867,freq=2.0), product of:
            0.059380736 = queryWeight, product of:
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.043654136 = queryNorm
            0.30057663 = fieldWeight in 5867, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.15625 = fieldNorm(doc=5867)
      0.16666667 = coord(1/6)