Search (8 results, page 1 of 1)

  • × author_ss:"Dykstra, M."
  1. Dykstra, M.: Subject analysis and thesauri : a background (1989) 0.03
    0.032158148 = product of:
      0.064316295 = sum of:
        0.064316295 = product of:
          0.12863259 = sum of:
            0.12863259 = weight(_text_:subject in 1189) [ClassicSimilarity], result of:
              0.12863259 = score(doc=1189,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.79032356 = fieldWeight in 1189, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.15625 = fieldNorm(doc=1189)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Dykstra, M.: PRECIS: a primer (1985) 0.03
    0.027287092 = product of:
      0.054574184 = sum of:
        0.054574184 = product of:
          0.10914837 = sum of:
            0.10914837 = weight(_text_:subject in 664) [ClassicSimilarity], result of:
              0.10914837 = score(doc=664,freq=4.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.67061174 = fieldWeight in 664, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.09375 = fieldNorm(doc=664)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    PRECIS
    Documents / Subject indexing / Schemes: PRECIS
    Subject
    Documents / Subject indexing / Schemes: PRECIS
  3. Dykstra, M.: Can subject headings be saved? (1988) 0.03
    0.025726518 = product of:
      0.051453035 = sum of:
        0.051453035 = product of:
          0.10290607 = sum of:
            0.10290607 = weight(_text_:subject in 76) [ClassicSimilarity], result of:
              0.10290607 = score(doc=76,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.63225883 = fieldWeight in 76, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.125 = fieldNorm(doc=76)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Dykstra, M.: LC subject headings disguised as a thesaurus (1988) 0.02
    0.022510704 = product of:
      0.045021407 = sum of:
        0.045021407 = product of:
          0.090042815 = sum of:
            0.090042815 = weight(_text_:subject in 77) [ClassicSimilarity], result of:
              0.090042815 = score(doc=77,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.5532265 = fieldWeight in 77, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.109375 = fieldNorm(doc=77)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Dykstra, M.: Subject indexing and retrieval: what more can technology do? (1987) 0.02
    0.022510704 = product of:
      0.045021407 = sum of:
        0.045021407 = product of:
          0.090042815 = sum of:
            0.090042815 = weight(_text_:subject in 152) [ClassicSimilarity], result of:
              0.090042815 = score(doc=152,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.5532265 = fieldWeight in 152, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.109375 = fieldNorm(doc=152)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Dykstra, M.: PRECIS in the online catalog (1989) 0.02
    0.022510704 = product of:
      0.045021407 = sum of:
        0.045021407 = product of:
          0.090042815 = sum of:
            0.090042815 = weight(_text_:subject in 348) [ClassicSimilarity], result of:
              0.090042815 = score(doc=348,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.5532265 = fieldWeight in 348, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.109375 = fieldNorm(doc=348)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Subject control in online catalogs. Ed.: R.P. Holley
  7. Dykstra, M.: ¬The lion that squeaked (1978) 0.02
    0.019294888 = product of:
      0.038589776 = sum of:
        0.038589776 = product of:
          0.07717955 = sum of:
            0.07717955 = weight(_text_:subject in 1647) [ClassicSimilarity], result of:
              0.07717955 = score(doc=1647,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.4741941 = fieldWeight in 1647, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1647)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Abstract
    A plea to the Library of Congress to adopt the British PRECIS system, and to reconsider the decision to overhaul the LC Subject Headings
  8. Dykstra, M.: PRECIS in the online catalog (1989) 0.02
    0.019294888 = product of:
      0.038589776 = sum of:
        0.038589776 = product of:
          0.07717955 = sum of:
            0.07717955 = weight(_text_:subject in 454) [ClassicSimilarity], result of:
              0.07717955 = score(doc=454,freq=2.0), product of:
                0.16275941 = queryWeight, product of:
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.04550679 = queryNorm
                0.4741941 = fieldWeight in 454, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.576596 = idf(docFreq=3361, maxDocs=44218)
                  0.09375 = fieldNorm(doc=454)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Simultaneously published as Subject Control in Online Catalogs