Search (2 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × theme_ss:"Citation indexing"
  1. Pao, M.L.; Worthen, D.B.: Retrieval effectiveness by semantic and citation searching (1989) 0.00 
    9.0241426E-4 = product of:
  0.0018048285 = sum of:
    0.0018048285 = product of:
      0.003609657 = sum of:
        0.003609657 = weight(_text_:s in 2288) [ClassicSimilarity], result of:
          0.003609657 = score(doc=2288,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.072074346 = fieldWeight in 2288, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=2288)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 40(1989), S.226-235
  2. MacCain, K.W.: Descriptor and citation retrieval in the medical behavioral sciences literature : retrieval overlaps and novelty distribution (1989) 0.00 
    9.0241426E-4 = product of:
  0.0018048285 = sum of:
    0.0018048285 = product of:
      0.003609657 = sum of:
        0.003609657 = weight(_text_:s in 2290) [ClassicSimilarity], result of:
          0.003609657 = score(doc=2290,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.072074346 = fieldWeight in 2290, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=2290)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 40(1989), S.110-114

Authors