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
    0.0025524131 = product of:
      0.0051048263 = sum of:
        0.0051048263 = product of:
          0.010209653 = sum of:
            0.010209653 = weight(_text_:s in 6030) [ClassicSimilarity], result of:
              0.010209653 = score(doc=6030,freq=4.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.20385705 = fieldWeight in 6030, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6030)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 36(2000) no.1, S.95-108
  2. Pedersen, J.O.; Silverstein, C.; Vogt, C.C.: Verity at TREC-6 : out-of-the-box and beyond (2000) 0.00
    0.0018048285 = product of:
      0.003609657 = sum of:
        0.003609657 = product of:
          0.007219314 = sum of:
            0.007219314 = weight(_text_:s in 6427) [ClassicSimilarity], result of:
              0.007219314 = score(doc=6427,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.14414869 = fieldWeight in 6427, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6427)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 36(2000) no.1, S.187-196
  3. Kilgour, F.G.; Moran, B.B.: Surname plus recallable title word searches for known items by scholars (2000) 0.00
    0.001203219 = product of:
      0.002406438 = sum of:
        0.002406438 = product of:
          0.004812876 = sum of:
            0.004812876 = weight(_text_:s in 4296) [ClassicSimilarity], result of:
              0.004812876 = score(doc=4296,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.09609913 = fieldWeight in 4296, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4296)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 51(2000) no.1, S.83-89
  4. Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 5368) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=5368,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 5368, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5368)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Cataloging and classification quarterly. 29(2000) no.4, S.73-86
  5. Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001) 0.00
    6.016095E-4 = product of:
      0.001203219 = sum of:
        0.001203219 = product of:
          0.002406438 = sum of:
            0.002406438 = weight(_text_:s in 6519) [ClassicSimilarity], result of:
              0.002406438 = score(doc=6519,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.048049565 = fieldWeight in 6519, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.03125 = fieldNorm(doc=6519)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.10, S.813-827