Search (3 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. Madelung, H.-O.: Subject searching in the social sciences : a comparison of PRECIS and KWIC indexes indexes to newspaper articles (1982) 0.02
    0.016005846 = product of:
      0.08002923 = sum of:
        0.08002923 = weight(_text_:o in 5517) [ClassicSimilarity], result of:
          0.08002923 = score(doc=5517,freq=2.0), product of:
            0.20624171 = queryWeight, product of:
              5.017288 = idf(docFreq=795, maxDocs=44218)
              0.041106213 = queryNorm
            0.38803607 = fieldWeight in 5517, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.017288 = idf(docFreq=795, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5517)
      0.2 = coord(1/5)
    
  2. Butcher, J.E.; Trotter, R.: Building on PRECIS : strategies for online subject access in the British Library (1989) 0.01
    0.013934595 = product of:
      0.06967297 = sum of:
        0.06967297 = weight(_text_:r in 996) [ClassicSimilarity], result of:
          0.06967297 = score(doc=996,freq=2.0), product of:
            0.13607219 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.041106213 = queryNorm
            0.51202947 = fieldWeight in 996, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.109375 = fieldNorm(doc=996)
      0.2 = coord(1/5)
    
  3. Peters, H.J.: User reactions to PRECIS indexes (1981) 0.01
    0.013934595 = product of:
      0.06967297 = sum of:
        0.06967297 = weight(_text_:r in 383) [ClassicSimilarity], result of:
          0.06967297 = score(doc=383,freq=2.0), product of:
            0.13607219 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.041106213 = queryNorm
            0.51202947 = fieldWeight in 383, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.109375 = fieldNorm(doc=383)
      0.2 = coord(1/5)
    
    Type
    r