Search (2 results, page 1 of 1)

  • × type_ss:"m"
  • × author_ss:"Ellis, D."
  1. Ellis, D.: Progress and problems in information retrieval (1996) 0.02
    0.019224025 = product of:
      0.03844805 = sum of:
        0.03844805 = product of:
          0.057672076 = sum of:
            0.008315561 = weight(_text_:e in 789) [ClassicSimilarity], result of:
              0.008315561 = score(doc=789,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = 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)
            0.049356513 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
              0.049356513 = score(doc=789,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      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
    0.0024499958 = product of:
      0.0048999917 = sum of:
        0.0048999917 = product of:
          0.014699975 = sum of:
            0.014699975 = weight(_text_:e in 815) [ClassicSimilarity], result of:
              0.014699975 = score(doc=815,freq=4.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = 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)
          0.33333334 = coord(1/3)
      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