Search (5 results, page 1 of 1)

  • × theme_ss:"OPAC"
  • × theme_ss:"Retrievalstudien"
  • × year_i:[2000 TO 2010}
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00 
    0.0031514994 = product of:
  0.006302999 = sum of:
    0.006302999 = product of:
      0.012605998 = sum of:
        0.012605998 = weight(_text_:e in 6030) [ClassicSimilarity], result of:
          0.012605998 = score(doc=6030,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.19057012 = fieldWeight in 6030, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=6030)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  2. Pedersen, J.O.; Silverstein, C.; Vogt, C.C.: Verity at TREC-6 : out-of-the-box and beyond (2000) 0.00 
    0.0031514994 = product of:
  0.006302999 = sum of:
    0.006302999 = product of:
      0.012605998 = sum of:
        0.012605998 = weight(_text_:e in 6427) [ClassicSimilarity], result of:
          0.012605998 = score(doc=6427,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.19057012 = fieldWeight in 6427, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=6427)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  3. Kilgour, F.G.; Moran, B.B.: Surname plus recallable title word searches for known items by scholars (2000) 0.00 
    0.0021009997 = product of:
  0.0042019994 = sum of:
    0.0042019994 = product of:
      0.008403999 = sum of:
        0.008403999 = weight(_text_:e in 4296) [ClassicSimilarity], result of:
          0.008403999 = score(doc=4296,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.12704675 = fieldWeight in 4296, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0625 = fieldNorm(doc=4296)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  4. Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000) 0.00 
    0.0018383748 = product of:
  0.0036767495 = sum of:
    0.0036767495 = product of:
      0.007353499 = sum of:
        0.007353499 = weight(_text_:e in 5368) [ClassicSimilarity], result of:
          0.007353499 = score(doc=5368,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.1111659 = fieldWeight in 5368, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5368)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  5. Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001) 0.00 
    0.0010504998 = product of:
  0.0021009997 = sum of:
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = weight(_text_:e in 6519) [ClassicSimilarity], result of:
          0.0042019994 = score(doc=6519,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.063523374 = fieldWeight in 6519, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=6519)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e

Authors