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
    0.029142715 = product of:
      0.05828543 = sum of:
        0.05828543 = sum of:
          0.008403999 = weight(_text_:e in 217) [ClassicSimilarity], result of:
            0.008403999 = score(doc=217,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = 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)
          0.049881432 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
            0.049881432 = score(doc=217,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = 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
    Language
    e
  2. Brenner, E.H.; Saracevic, T.: Indexing and searching in perspective (1985) 0.00
    0.0031514994 = product of:
      0.006302999 = sum of:
        0.006302999 = product of:
          0.012605998 = sum of:
            0.012605998 = weight(_text_:e in 8129) [ClassicSimilarity], result of:
              0.012605998 = score(doc=8129,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Booth, P.F.; South, M.L.: Information filing and finding (1982) 0.00
    0.0026262498 = product of:
      0.0052524996 = sum of:
        0.0052524996 = product of:
          0.010504999 = sum of:
            0.010504999 = weight(_text_:e in 4192) [ClassicSimilarity], result of:
              0.010504999 = score(doc=4192,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    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
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 215) [ClassicSimilarity], result of:
              0.008403999 = score(doc=215,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e