Search (2 results, page 1 of 1)

  • × author_ss:"Dykstra, M."
  • × language_ss:"e"
  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. Dykstra, M.: PRECIS: a primer (1985) 0.03
    0.032173738 = product of:
      0.09652121 = sum of:
        0.09652121 = product of:
          0.19304243 = sum of:
            0.19304243 = weight(_text_:indexing in 664) [ClassicSimilarity], result of:
              0.19304243 = score(doc=664,freq=8.0), product of:
                0.19018644 = queryWeight, product of:
                  3.8278677 = idf(docFreq=2614, maxDocs=44218)
                  0.049684696 = queryNorm
                1.0150168 = fieldWeight in 664, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  3.8278677 = idf(docFreq=2614, maxDocs=44218)
                  0.09375 = fieldNorm(doc=664)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    LCSH
    PRECIS (Indexing system)
    PRECIS
    Documents / Subject indexing / Schemes: PRECIS
    Subject
    PRECIS (Indexing system)
    Documents / Subject indexing / Schemes: PRECIS
  2. Dykstra, M.: Subject indexing and retrieval: what more can technology do? (1987) 0.02
    0.018768014 = product of:
      0.05630404 = sum of:
        0.05630404 = product of:
          0.11260808 = sum of:
            0.11260808 = weight(_text_:indexing in 152) [ClassicSimilarity], result of:
              0.11260808 = score(doc=152,freq=2.0), product of:
                0.19018644 = queryWeight, product of:
                  3.8278677 = idf(docFreq=2614, maxDocs=44218)
                  0.049684696 = queryNorm
                0.5920931 = fieldWeight in 152, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8278677 = idf(docFreq=2614, maxDocs=44218)
                  0.109375 = fieldNorm(doc=152)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)