Search (7 results, page 1 of 1)

  • × author_ss:"Lancaster, F.W."
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.02 
    0.022310931 = product of:
  0.055777326 = sum of:
    0.035485066 = weight(_text_:u in 217) [ClassicSimilarity], result of:
      0.035485066 = score(doc=217,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
    0.020292262 = product of:
      0.040584523 = sum of:
        0.040584523 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
          0.040584523 = score(doc=217,freq=2.0), product of:
            0.13112044 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03744341 = 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)
  0.4 = coord(2/5)
    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 
    0.01064552 = product of:
  0.0532276 = sum of:
    0.0532276 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
      0.0532276 = score(doc=1931,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    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 
    0.008871268 = product of:
  0.044356335 = sum of:
    0.044356335 = weight(_text_:u in 4607) [ClassicSimilarity], result of:
      0.044356335 = score(doc=4607,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  4. Lancaster, F.W.: Evaluation in the context of the digital library (1996) 0.01 
    0.0070970133 = product of:
  0.035485066 = sum of:
    0.035485066 = weight(_text_:u in 7886) [ClassicSimilarity], result of:
      0.035485066 = score(doc=7886,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    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 
    0.006209887 = product of:
  0.031049434 = sum of:
    0.031049434 = weight(_text_:u in 752) [ClassicSimilarity], result of:
      0.031049434 = score(doc=752,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  6. Lancaster, F.W.: Indexing and abstracting in theory and practice (1998) 0.01 
    0.00532276 = product of:
  0.0266138 = sum of:
    0.0266138 = weight(_text_:u in 4141) [ClassicSimilarity], result of:
      0.0266138 = score(doc=4141,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  7. Lancaster, F.W.: Indexing and abstracting in theory and practice (2003) 0.01 
    0.00532276 = product of:
  0.0266138 = sum of:
    0.0266138 = weight(_text_:u in 4913) [ClassicSimilarity], result of:
      0.0266138 = score(doc=4913,freq=2.0), product of:
        0.12260637 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.03744341 = 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)
  0.2 = coord(1/5)
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur

Years

Types

Themes

Subjects

Classifications