Search (3 results, page 1 of 1)

  • × author_ss:"Lancaster, F.W."
  • × language_ss:"e"
  • × type_ss:"a"
  1. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 0.01 
    0.012153481 = product of:
  0.060767405 = sum of:
    0.060767405 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
      0.060767405 = score(doc=1931,freq=2.0), product of:
        0.13997382 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.04274735 = 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.
  2. Pinto, M.; Lancaster, F.W.: Abstracts and abstracting in knowledge discovery (1999) 0.01 
    0.008188977 = product of:
  0.04094488 = sum of:
    0.04094488 = weight(_text_:m in 6233) [ClassicSimilarity], result of:
      0.04094488 = score(doc=6233,freq=2.0), product of:
        0.106374584 = queryWeight, product of:
          2.4884486 = idf(docFreq=9980, maxDocs=44218)
          0.04274735 = queryNorm
        0.38491225 = fieldWeight in 6233, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.4884486 = idf(docFreq=9980, maxDocs=44218)
          0.109375 = fieldNorm(doc=6233)
  0.2 = coord(1/5)
  3. Lancaster, F.W.: Evaluation in the context of the digital library (1996) 0.01 
    0.008102321 = product of:
  0.040511604 = sum of:
    0.040511604 = weight(_text_:u in 7886) [ClassicSimilarity], result of:
      0.040511604 = score(doc=7886,freq=2.0), product of:
        0.13997382 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.04274735 = 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

Years

Themes