Search (4 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × year_i:[1980 TO 1990}
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.03
    0.027722286 = product of:
      0.055444572 = sum of:
        0.006787914 = weight(_text_:e in 217) [ClassicSimilarity], result of:
          0.006787914 = score(doc=217,freq=2.0), product of:
            0.053428475 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.037171 = queryNorm
            0.12704675 = fieldWeight in 217, 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=217)
        0.035226904 = weight(_text_:u in 217) [ClassicSimilarity], result of:
          0.035226904 = score(doc=217,freq=2.0), product of:
            0.12171437 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.037171 = 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)
        0.013429753 = product of:
          0.040289257 = sum of:
            0.040289257 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.040289257 = score(doc=217,freq=2.0), product of:
                0.1301665 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037171 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(3/6)
    
    Date
    22. 4.2007 10:07:51
    Language
    e
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  2. Booth, P.F.; South, M.L.: Information filing and finding (1982) 0.02
    0.017506175 = product of:
      0.052518524 = sum of:
        0.008484893 = weight(_text_:e in 4192) [ClassicSimilarity], result of:
          0.008484893 = score(doc=4192,freq=2.0), product of:
            0.053428475 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.037171 = queryNorm
            0.15880844 = fieldWeight in 4192, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=4192)
        0.04403363 = weight(_text_:u in 4192) [ClassicSimilarity], result of:
          0.04403363 = score(doc=4192,freq=2.0), product of:
            0.12171437 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.037171 = 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)
      0.33333334 = coord(2/6)
    
    Language
    e
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur
  3. Brenner, E.H.; Saracevic, T.: Indexing and searching in perspective (1985) 0.00
    0.0016969785 = product of:
      0.01018187 = sum of:
        0.01018187 = weight(_text_:e in 8129) [ClassicSimilarity], result of:
          0.01018187 = score(doc=8129,freq=2.0), product of:
            0.053428475 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.037171 = queryNorm
            0.19057012 = fieldWeight in 8129, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=8129)
      0.16666667 = coord(1/6)
    
    Language
    e
  4. 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) 0.00
    0.001131319 = product of:
      0.006787914 = sum of:
        0.006787914 = weight(_text_:e in 215) [ClassicSimilarity], result of:
          0.006787914 = score(doc=215,freq=2.0), product of:
            0.053428475 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.037171 = queryNorm
            0.12704675 = fieldWeight in 215, 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=215)
      0.16666667 = coord(1/6)
    
    Language
    e