Search (4 results, page 1 of 1)

  • × classification_ss:"025.4/9 / dc19"
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.02
    0.019167844 = product of:
      0.03833569 = sum of:
        0.03833569 = product of:
          0.057503533 = sum of:
            0.008291259 = weight(_text_:e in 217) [ClassicSimilarity], result of:
              0.008291259 = score(doc=217,freq=2.0), product of:
                0.06526148 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0454034 = 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)
            0.049212273 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.049212273 = score(doc=217,freq=2.0), product of:
                0.15899497 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0454034 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 4.2007 10:07:51
    Language
    e
  2. Townley, H.M.; Gee, R.G.: Thesaurus-making : grow your own wordstock (1980) 0.00
    0.0020728149 = product of:
      0.0041456297 = sum of:
        0.0041456297 = product of:
          0.012436888 = sum of:
            0.012436888 = weight(_text_:e in 549) [ClassicSimilarity], result of:
              0.012436888 = score(doc=549,freq=2.0), product of:
                0.06526148 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0454034 = queryNorm
                0.19057012 = fieldWeight in 549, 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=549)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  3. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977) 0.00
    0.0013818766 = product of:
      0.0027637533 = sum of:
        0.0027637533 = product of:
          0.008291259 = sum of:
            0.008291259 = weight(_text_:e in 6424) [ClassicSimilarity], result of:
              0.008291259 = score(doc=6424,freq=2.0), product of:
                0.06526148 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0454034 = queryNorm
                0.12704675 = fieldWeight in 6424, 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=6424)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  4. Cochrane, P.A.: Improving LCSH for use in online catalogs : exercises for self-help with a selection of background readings (1986) 0.00
    0.0012091419 = product of:
      0.0024182838 = sum of:
        0.0024182838 = product of:
          0.0072548515 = sum of:
            0.0072548515 = weight(_text_:e in 4218) [ClassicSimilarity], result of:
              0.0072548515 = score(doc=4218,freq=2.0), product of:
                0.06526148 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0454034 = queryNorm
                0.1111659 = fieldWeight in 4218, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4218)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e