Search (7 results, page 1 of 1)

  • × author_ss:"Lancaster, F.W."
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.04
    0.042581603 = product of:
      0.085163206 = sum of:
        0.085163206 = sum of:
          0.039727073 = weight(_text_:u in 217) [ClassicSimilarity], result of:
            0.039727073 = score(doc=217,freq=2.0), product of:
              0.13726315 = queryWeight, product of:
                3.2744443 = idf(docFreq=4547, maxDocs=44218)
                0.041919522 = queryNorm
              0.28942272 = fieldWeight in 217, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.2744443 = idf(docFreq=4547, maxDocs=44218)
                0.0625 = fieldNorm(doc=217)
          0.045436133 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
            0.045436133 = score(doc=217,freq=2.0), product of:
              0.14679502 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.041919522 = queryNorm
              0.30952093 = fieldWeight in 217, 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=217)
      0.5 = coord(1/2)
    
    Date
    22. 4.2007 10:07:51
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  2. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 0.01
    0.014897652 = product of:
      0.029795304 = sum of:
        0.029795304 = product of:
          0.059590608 = sum of:
            0.059590608 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
              0.059590608 = score(doc=1931,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.43413407 = fieldWeight in 1931, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1931)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.
  3. Lancaster, F.W.; Warner, A.J.: Information retrieval today (1993) 0.01
    0.012414711 = product of:
      0.024829421 = sum of:
        0.024829421 = product of:
          0.049658842 = sum of:
            0.049658842 = weight(_text_:u in 4607) [ClassicSimilarity], result of:
              0.049658842 = score(doc=4607,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.3617784 = fieldWeight in 4607, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4607)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  4. Lancaster, F.W.: Evaluation in the context of the digital library (1996) 0.01
    0.009931768 = product of:
      0.019863537 = sum of:
        0.019863537 = product of:
          0.039727073 = sum of:
            0.039727073 = weight(_text_:u in 7886) [ClassicSimilarity], result of:
              0.039727073 = score(doc=7886,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.28942272 = fieldWeight in 7886, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7886)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Towards a worldwide library: a ten year forecast. Proceedings of the 19th International Essen Symposium, 23-26 Sept 1996. Ed.: A.H. Helal u. J.W. Weiss
  5. Lancaster, F.W.: Indexing and abstracting in theory and practice (1991) 0.01
    0.008690298 = product of:
      0.017380595 = sum of:
        0.017380595 = product of:
          0.03476119 = sum of:
            0.03476119 = weight(_text_:u in 752) [ClassicSimilarity], result of:
              0.03476119 = score(doc=752,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.25324488 = fieldWeight in 752, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=752)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  6. Lancaster, F.W.: Indexing and abstracting in theory and practice (1998) 0.01
    0.007448826 = product of:
      0.014897652 = sum of:
        0.014897652 = product of:
          0.029795304 = sum of:
            0.029795304 = weight(_text_:u in 4141) [ClassicSimilarity], result of:
              0.029795304 = score(doc=4141,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.21706703 = fieldWeight in 4141, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4141)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  7. Lancaster, F.W.: Indexing and abstracting in theory and practice (2003) 0.01
    0.007448826 = product of:
      0.014897652 = sum of:
        0.014897652 = product of:
          0.029795304 = sum of:
            0.029795304 = weight(_text_:u in 4913) [ClassicSimilarity], result of:
              0.029795304 = score(doc=4913,freq=2.0), product of:
                0.13726315 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.041919522 = queryNorm
                0.21706703 = fieldWeight in 4913, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4913)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur