Search (2 results, page 1 of 1)

  • × type_ss:"m"
  • × author_ss:"Ellis, D."
  1. Ellis, D.: Progress and problems in information retrieval (1996) 0.03
    0.029142715 = product of:
      0.05828543 = sum of:
        0.05828543 = sum of:
          0.008403999 = weight(_text_:e in 789) [ClassicSimilarity], result of:
            0.008403999 = score(doc=789,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = queryNorm
              0.12704675 = fieldWeight in 789, 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=789)
          0.049881432 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
            0.049881432 = score(doc=789,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = queryNorm
              0.30952093 = fieldWeight in 789, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0625 = fieldNorm(doc=789)
      0.5 = coord(1/2)
    
    Date
    26. 7.2002 20:22:46
    Language
    e
  2. Ellis, D.: New horizons in information retrieval (1990) 0.00
    0.0037140779 = product of:
      0.0074281557 = sum of:
        0.0074281557 = product of:
          0.0148563115 = sum of:
            0.0148563115 = weight(_text_:e in 815) [ClassicSimilarity], result of:
              0.0148563115 = score(doc=815,freq=4.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.22458905 = fieldWeight in 815, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.078125 = fieldNorm(doc=815)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: Canadian library journal. 48(1991) S.434 (E. Frick): "The book is full of information about the development of concepts and systems in this most fascinating part of professional work"
    Language
    e