Search (2 results, page 1 of 1)

  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. Dykstra, M.: PRECIS in the online catalog (1989) 0.00 
    0.0018424251 = product of:
  0.02855759 = sum of:
    0.022690795 = weight(_text_:im in 454) [ClassicSimilarity], result of:
      0.022690795 = score(doc=454,freq=2.0), product of:
        0.060543913 = queryWeight, product of:
          2.8267863 = idf(docFreq=7115, maxDocs=44218)
          0.02141793 = queryNorm
        0.37478244 = fieldWeight in 454, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.8267863 = idf(docFreq=7115, maxDocs=44218)
          0.09375 = fieldNorm(doc=454)
    0.0058667944 = weight(_text_:e in 454) [ClassicSimilarity], result of:
      0.0058667944 = score(doc=454,freq=2.0), product of:
        0.03078549 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.02141793 = queryNorm
        0.19057012 = fieldWeight in 454, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.09375 = fieldNorm(doc=454)
  0.06451613 = coord(2/31)
    Language
    e
    Theme
    Verbale Doksprachen im Online-Retrieval
  2. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 0.00 
    0.001074748 = product of:
  0.016658595 = sum of:
    0.013236298 = weight(_text_:im in 828) [ClassicSimilarity], result of:
      0.013236298 = score(doc=828,freq=2.0), product of:
        0.060543913 = queryWeight, product of:
          2.8267863 = idf(docFreq=7115, maxDocs=44218)
          0.02141793 = queryNorm
        0.2186231 = fieldWeight in 828, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.8267863 = idf(docFreq=7115, maxDocs=44218)
          0.0546875 = fieldNorm(doc=828)
    0.0034222968 = weight(_text_:e in 828) [ClassicSimilarity], result of:
      0.0034222968 = score(doc=828,freq=2.0), product of:
        0.03078549 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.02141793 = queryNorm
        0.1111659 = fieldWeight in 828, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.0546875 = fieldNorm(doc=828)
  0.06451613 = coord(2/31)
    Language
    e
    Theme
    Verbale Doksprachen im Online-Retrieval

Authors