Search (3 results, page 1 of 1)

  • × subject_ss:"Subject headings"
  1. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977) 0.02 
    0.021906063 = product of:
  0.043812126 = sum of:
    0.043812126 = product of:
      0.13143638 = sum of:
        0.13143638 = weight(_text_:v in 6424) [ClassicSimilarity], result of:
          0.13143638 = score(doc=6424,freq=4.0), product of:
            0.21584865 = queryWeight, product of:
              4.871427 = idf(docFreq=920, maxDocs=44218)
              0.04430912 = queryNorm
            0.6089284 = fieldWeight in 6424, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.871427 = idf(docFreq=920, maxDocs=44218)
              0.0625 = fieldNorm(doc=6424)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Content
    v. 1. Introduction, classified thesaurus, permuted index, hierarchical display.--v. 2. Alphabetical thesaurus.
  2. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01 
    0.0080043655 = product of:
  0.016008731 = sum of:
    0.016008731 = product of:
      0.048026193 = sum of:
        0.048026193 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
          0.048026193 = score(doc=217,freq=2.0), product of:
            0.15516299 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04430912 = 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(1/2)
    Date
    22. 4.2007 10:07:51
  3. Shiri, A.: Powering search : the role of thesauri in new information environments (2012) 0.01 
    0.007597316 = product of:
  0.015194632 = sum of:
    0.015194632 = product of:
      0.045583896 = sum of:
        0.045583896 = weight(_text_:t in 1322) [ClassicSimilarity], result of:
          0.045583896 = score(doc=1322,freq=2.0), product of:
            0.17455173 = queryWeight, product of:
              3.9394085 = idf(docFreq=2338, maxDocs=44218)
              0.04430912 = queryNorm
            0.26114836 = fieldWeight in 1322, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9394085 = idf(docFreq=2338, maxDocs=44218)
              0.046875 = fieldNorm(doc=1322)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Series
    ASIS&T monograph series

Authors

Years

Themes

Subjects

Classifications