Search (3 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × year_i:[1980 TO 1990}
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.02 
    0.024724657 = product of:
  0.06181164 = sum of:
    0.039324045 = weight(_text_:u in 217) [ClassicSimilarity], result of:
      0.039324045 = score(doc=217,freq=2.0), product of:
        0.13587062 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.041494254 = 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)
    0.022487596 = product of:
      0.04497519 = sum of:
        0.04497519 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
          0.04497519 = score(doc=217,freq=2.0), product of:
            0.14530581 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.041494254 = 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. Booth, P.F.; South, M.L.: Information filing and finding (1982) 0.01 
    0.009831011 = product of:
  0.049155056 = sum of:
    0.049155056 = weight(_text_:u in 4192) [ClassicSimilarity], result of:
      0.049155056 = score(doc=4192,freq=2.0), product of:
        0.13587062 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.041494254 = queryNorm
        0.3617784 = fieldWeight in 4192, 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=4192)
  0.2 = coord(1/5)
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  3. Fugmann, R.: ¬The analytico-synthetic foundation for large indexing & information retrieval systems : dedicated to Prof. Dr. Werner Schultheis, the vigorous initiator of modern chem. documentation in Germany on the occasion of his 85th birthday (1983) 0.01 
    0.005794038 = product of:
  0.02897019 = sum of:
    0.02897019 = product of:
      0.05794038 = sum of:
        0.05794038 = weight(_text_:l in 215) [ClassicSimilarity], result of:
          0.05794038 = score(doc=215,freq=2.0), product of:
            0.16492525 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.041494254 = queryNorm
            0.35131297 = fieldWeight in 215, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.0625 = fieldNorm(doc=215)
      0.5 = coord(1/2)
  0.2 = coord(1/5)
    Footnote
    Rez. in: International classification 12(1985) S.106 (L. Kalok)

Authors

Themes

Subjects

Classifications