Document (#1271)

Editor
Rigby, M.
Title
¬The UDC in mechanized subject information retrieval
Source
Subject retrieval in the seventies: new directions. Proc. of an Int. Symp. ... College Park, May 14-15, 1971. Ed.: H.H. Wellisch et al
Imprint
College Park : Greenwood Publ.
Year
1972
Pages
S.126-142
Series
Contributions in librarianship and information science; no.3
Object
UDC

Similar documents (content)

  1. Fugmann, R.: Obstacles to progress in mechanized subject access and the necessity of a paradigm change (2000) 1.75
    1.7492895 = sum of:
      1.7492895 = product of:
        2.332386 = sum of:
          0.009983517 = weight(abstract_txt:information in 1182) [ClassicSimilarity], result of:
            0.009983517 = score(doc=1182,freq=1.0), product of:
              0.065980926 = queryWeight, product of:
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.027254188 = queryNorm
              0.15130915 = fieldWeight in 1182, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.0625 = fieldNorm(doc=1182)
          0.059344374 = weight(abstract_txt:subject in 1182) [ClassicSimilarity], result of:
            0.059344374 = score(doc=1182,freq=2.0), product of:
              0.17184585 = queryWeight, product of:
                1.6138394 = boost
                3.9070187 = idf(docFreq=2415, maxDocs=44218)
                0.027254188 = queryNorm
              0.34533492 = fieldWeight in 1182, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9070187 = idf(docFreq=2415, maxDocs=44218)
                0.0625 = fieldNorm(doc=1182)
          2.2630582 = weight(title_txt:mechanized in 1182) [ClassicSimilarity], result of:
            2.2630582 = score(doc=1182,freq=1.0), product of:
              0.9734639 = queryWeight, product of:
                3.8410566 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.027254188 = queryNorm
              2.324748 = fieldWeight in 1182, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.25 = fieldNorm(doc=1182)
        0.75 = coord(3/4)
    
  2. Perry, J.W.: Mechanized searching and subject headings (1953) 0.99
    0.9900879 = sum of:
      0.9900879 = product of:
        3.9603517 = sum of:
          3.9603517 = weight(title_txt:mechanized in 3891) [ClassicSimilarity], result of:
            3.9603517 = score(doc=3891,freq=1.0), product of:
              0.9734639 = queryWeight, product of:
                3.8410566 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.027254188 = queryNorm
              4.068309 = fieldWeight in 3891, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.4375 = fieldNorm(doc=3891)
        0.25 = coord(1/4)
    
  3. Körner, H.G.: Short and flexible generic codes for mechanized information retrieval (1965) 0.71
    0.7072057 = sum of:
      0.7072057 = product of:
        2.8288229 = sum of:
          2.8288229 = weight(title_txt:mechanized in 1961) [ClassicSimilarity], result of:
            2.8288229 = score(doc=1961,freq=1.0), product of:
              0.9734639 = queryWeight, product of:
                3.8410566 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.027254188 = queryNorm
              2.905935 = fieldWeight in 1961, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.3125 = fieldNorm(doc=1961)
        0.25 = coord(1/4)
    
  4. Bristol, R.P.: Control of subject information : can it be mechanized? (1950) 0.71
    0.7072057 = sum of:
      0.7072057 = product of:
        2.8288229 = sum of:
          2.8288229 = weight(title_txt:mechanized in 6215) [ClassicSimilarity], result of:
            2.8288229 = score(doc=6215,freq=1.0), product of:
              0.9734639 = queryWeight, product of:
                3.8410566 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.027254188 = queryNorm
              2.905935 = fieldWeight in 6215, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.3125 = fieldNorm(doc=6215)
        0.25 = coord(1/4)
    
  5. Scibor, E.: Some remarks on the future desired development of UDC from the viewpoint of mechanized information retrieval (1971) 0.57
    0.56576455 = sum of:
      0.56576455 = product of:
        2.2630582 = sum of:
          2.2630582 = weight(title_txt:mechanized in 2020) [ClassicSimilarity], result of:
            2.2630582 = score(doc=2020,freq=1.0), product of:
              0.9734639 = queryWeight, product of:
                3.8410566 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.027254188 = queryNorm
              2.324748 = fieldWeight in 2020, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.25 = fieldNorm(doc=2020)
        0.25 = coord(1/4)