Search (5 results, page 1 of 1)

  • × theme_ss:"Citation indexing"
  • × year_i:[1960 TO 1970}
  1. Kessler, M.M.: Bibliographic coupling between scientific papers (1963) 0.00
    0.0027963533 = product of:
      0.008389059 = sum of:
        0.008389059 = weight(_text_:s in 4993) [ClassicSimilarity], result of:
          0.008389059 = score(doc=4993,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.19219826 = fieldWeight in 4993, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=4993)
      0.33333334 = coord(1/3)
    
    Source
    American documentation. 14(1963), S.10-25
  2. Malin, M.V.: ¬The Science Citation Index : a new concept in indexing (1968) 0.00
    0.0027963533 = product of:
      0.008389059 = sum of:
        0.008389059 = weight(_text_:s in 5000) [ClassicSimilarity], result of:
          0.008389059 = score(doc=5000,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.19219826 = fieldWeight in 5000, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=5000)
      0.33333334 = coord(1/3)
    
    Source
    Library trends. 16(1968), S.374-387
  3. Model, F.: 'Citation indexing' und Rückwärtskatalogisierung' : Beispiele für Zitatendokumentation (1964) 0.00
    0.0027963533 = product of:
      0.008389059 = sum of:
        0.008389059 = weight(_text_:s in 5002) [ClassicSimilarity], result of:
          0.008389059 = score(doc=5002,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.19219826 = fieldWeight in 5002, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=5002)
      0.33333334 = coord(1/3)
    
    Source
    Nachrichten für Dokumentation. 15(1964), S.122-130
  4. Lipetz, B.A.: Improvement of the selectivity of citation indexes to science literature throught the inclusion of citation relationship indicators (1965) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 7776) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=7776,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 7776, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=7776)
      0.33333334 = coord(1/3)
    
    Source
    American documentation. 16(1965), S.81-90
  5. Garfield, E.; Sher, I.H.: New factors in the evaluation of scientific literature literature through citation indexing (1963) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 8242) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=8242,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 8242, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=8242)
      0.33333334 = coord(1/3)
    
    Source
    American documentation. 14(1963) no.3, S.195-201