Search (3 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Citation indexing"
  • × theme_ss:"Informetrie"
  • × year_i:[1990 TO 2000}
  1. Leydesdorff, L.: Theories of citation? (1999) 0.01 
    0.0050697834 = product of:
  0.025348917 = sum of:
    0.025348917 = product of:
      0.050697833 = sum of:
        0.050697833 = weight(_text_:l in 5130) [ClassicSimilarity], result of:
          0.050697833 = score(doc=5130,freq=2.0), product of:
            0.16492525 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.041494254 = queryNorm
            0.30739886 = fieldWeight in 5130, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5130)
      0.5 = coord(1/2)
  0.2 = coord(1/5)
  2. Braun, T.; Glanzel, W.; Grupp, H.: ¬The scientometric weight of 50 nations in 27 scientific areas, 1989-1993 : Pt.1: All fields combined, mathematics, engineering, chemistry and physics (1995) 0.00 
    0.0019808484 = product of:
  0.009904242 = sum of:
    0.009904242 = product of:
      0.019808484 = sum of:
        0.019808484 = weight(_text_:h in 761) [ClassicSimilarity], result of:
          0.019808484 = score(doc=761,freq=2.0), product of:
            0.10309036 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.041494254 = queryNorm
            0.19214681 = fieldWeight in 761, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.0546875 = fieldNorm(doc=761)
      0.5 = coord(1/2)
  0.2 = coord(1/5)
  3. Snyder, H.; Cronin, B.; Davenport, E.: What's the use of citation? : Citation analysis as a literature topic in selected disciplines of the social sciences (1995) 0.00 
    0.00169787 = product of:
  0.00848935 = sum of:
    0.00848935 = product of:
      0.0169787 = sum of:
        0.0169787 = weight(_text_:h in 1825) [ClassicSimilarity], result of:
          0.0169787 = score(doc=1825,freq=2.0), product of:
            0.10309036 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.041494254 = queryNorm
            0.16469726 = fieldWeight in 1825, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.046875 = fieldNorm(doc=1825)
      0.5 = coord(1/2)
  0.2 = coord(1/5)

Authors