Document (#34367)

Author
Egghe, L.
Title
¬A model for the size-frequency function of coauthor pairs
Source
Journal of the American Society for Information Science and Technology. 59(2008) no.13, S.2133-2137
Year
2008
Abstract
Lotka's law was formulated to describe the number of authors with a certain number of publications. Empirical results (Morris & Goldstein, 2007) indicate that Lotka's law is also valid if one counts the number of publications of coauthor pairs. This article gives a simple model proving this to be true, with the same Lotka exponent, if the number of coauthored papers is proportional to the number of papers of the individual coauthors. Under the assumption that this number of coauthored papers is more than proportional to the number of papers of the individual authors (to be explained in the article), we can prove that the size-frequency function of coauthor pairs is Lotkaian with an exponent that is higher than that of the Lotka function of individual authors, a fact that is confirmed in experimental results.
Theme
Informetrie
Object
Lotka-Gesetz

Similar documents (author)

  1. Egghe, L.: Little science, big science and beyond (1994) 4.74
    4.744121 = sum of:
      4.744121 = weight(author_txt:egghe in 6882) [ClassicSimilarity], result of:
        4.744121 = fieldWeight in 6882, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.590594 = idf(docFreq=60, maxDocs=44421)
          0.625 = fieldNorm(doc=6882)
    
  2. Egghe, L.: Expansion of the field of informetrics : the second special issue (2006) 4.74
    4.744121 = sum of:
      4.744121 = weight(author_txt:egghe in 7118) [ClassicSimilarity], result of:
        4.744121 = fieldWeight in 7118, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.590594 = idf(docFreq=60, maxDocs=44421)
          0.625 = fieldNorm(doc=7118)
    
  3. Egghe, L.: Expansion of the field of informetrics : origins and consequences (2005) 4.74
    4.744121 = sum of:
      4.744121 = weight(author_txt:egghe in 1978) [ClassicSimilarity], result of:
        4.744121 = fieldWeight in 1978, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.590594 = idf(docFreq=60, maxDocs=44421)
          0.625 = fieldNorm(doc=1978)
    
  4. Egghe, L.: ¬The amount of actions needed for shelving and reshelving (1996) 4.74
    4.744121 = sum of:
      4.744121 = weight(author_txt:egghe in 4462) [ClassicSimilarity], result of:
        4.744121 = fieldWeight in 4462, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.590594 = idf(docFreq=60, maxDocs=44421)
          0.625 = fieldNorm(doc=4462)
    
  5. Egghe, L.: Special features of the author - publication relationship and a new explanation of Lotka's law based on convolution theory (1994) 4.74
    4.744121 = sum of:
      4.744121 = weight(author_txt:egghe in 5136) [ClassicSimilarity], result of:
        4.744121 = fieldWeight in 5136, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.590594 = idf(docFreq=60, maxDocs=44421)
          0.625 = fieldNorm(doc=5136)
    

Similar documents (content)

  1. Egghe, L.; Ravichandra Rao, I.K.: Duality revisited : construction of fractional frequency distributions based on two dual Lotka laws (2002) 0.48
    0.47824186 = sum of:
      0.47824186 = product of:
        1.0869133 = sum of:
          0.016477384 = weight(abstract_txt:with in 2006) [ClassicSimilarity], result of:
            0.016477384 = score(doc=2006,freq=6.0), product of:
              0.034494806 = queryWeight, product of:
                1.0085683 = boost
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.01370186 = queryNorm
              0.47767726 = fieldWeight in 2006, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.022364417 = weight(abstract_txt:article in 2006) [ClassicSimilarity], result of:
            0.022364417 = score(doc=2006,freq=2.0), product of:
              0.05327743 = queryWeight, product of:
                1.0234213 = boost
                3.79935 = idf(docFreq=2702, maxDocs=44421)
                0.01370186 = queryNorm
              0.41977283 = fieldWeight in 2006, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.79935 = idf(docFreq=2702, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.02576258 = weight(abstract_txt:model in 2006) [ClassicSimilarity], result of:
            0.02576258 = score(doc=2006,freq=2.0), product of:
              0.058546077 = queryWeight, product of:
                1.072832 = boost
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.01370186 = queryNorm
              0.4400394 = fieldWeight in 2006, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.10514394 = weight(abstract_txt:frequency in 2006) [ClassicSimilarity], result of:
            0.10514394 = score(doc=2006,freq=3.0), product of:
              0.13061628 = queryWeight, product of:
                1.6024388 = boost
                5.948895 = idf(docFreq=314, maxDocs=44421)
                0.01370186 = queryNorm
              0.80498344 = fieldWeight in 2006, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.948895 = idf(docFreq=314, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.07509408 = weight(abstract_txt:authors in 2006) [ClassicSimilarity], result of:
            0.07509408 = score(doc=2006,freq=3.0), product of:
              0.119465366 = queryWeight, product of:
                1.876936 = boost
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.01370186 = queryNorm
              0.62858456 = fieldWeight in 2006, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.011441782 = weight(abstract_txt:that in 2006) [ClassicSimilarity], result of:
            0.011441782 = score(doc=2006,freq=1.0), product of:
              0.061927624 = queryWeight, product of:
                1.9111099 = boost
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.01370186 = queryNorm
              0.18476056 = fieldWeight in 2006, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.175995 = weight(abstract_txt:lotka in 2006) [ClassicSimilarity], result of:
            0.175995 = score(doc=2006,freq=1.0), product of:
              0.26557168 = queryWeight, product of:
                2.2849343 = boost
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.01370186 = queryNorm
              0.66270244 = fieldWeight in 2006, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.1840723 = weight(abstract_txt:lotka's in 2006) [ClassicSimilarity], result of:
            0.1840723 = score(doc=2006,freq=1.0), product of:
              0.27363637 = queryWeight, product of:
                2.3193684 = boost
                8.610425 = idf(docFreq=21, maxDocs=44421)
                0.01370186 = queryNorm
              0.67268944 = fieldWeight in 2006, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.610425 = idf(docFreq=21, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.20110795 = weight(abstract_txt:exponent in 2006) [ClassicSimilarity], result of:
            0.20110795 = score(doc=2006,freq=1.0), product of:
              0.29026926 = queryWeight, product of:
                2.3888195 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01370186 = queryNorm
              0.6928324 = fieldWeight in 2006, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.1458072 = weight(abstract_txt:papers in 2006) [ClassicSimilarity], result of:
            0.1458072 = score(doc=2006,freq=3.0), product of:
              0.20464624 = queryWeight, product of:
                2.8366106 = boost
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.01370186 = queryNorm
              0.7124841 = fieldWeight in 2006, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
          0.12364668 = weight(abstract_txt:number in 2006) [ClassicSimilarity], result of:
            0.12364668 = score(doc=2006,freq=3.0), product of:
              0.22094566 = queryWeight, product of:
                3.899057 = boost
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.01370186 = queryNorm
              0.55962485 = fieldWeight in 2006, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.078125 = fieldNorm(doc=2006)
        0.44 = coord(11/25)
    
  2. Egghe, L.: Type/Token-Taken informetrics (2003) 0.37
    0.3696558 = sum of:
      0.3696558 = product of:
        0.77011627 = sum of:
          0.005381491 = weight(abstract_txt:with in 2608) [ClassicSimilarity], result of:
            0.005381491 = score(doc=2608,freq=1.0), product of:
              0.034494806 = queryWeight, product of:
                1.0085683 = boost
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.01370186 = queryNorm
              0.15600874 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.012651226 = weight(abstract_txt:article in 2608) [ClassicSimilarity], result of:
            0.012651226 = score(doc=2608,freq=1.0), product of:
              0.05327743 = queryWeight, product of:
                1.0234213 = boost
                3.79935 = idf(docFreq=2702, maxDocs=44421)
                0.01370186 = queryNorm
              0.23745938 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.79935 = idf(docFreq=2702, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.019243555 = weight(abstract_txt:than in 2608) [ClassicSimilarity], result of:
            0.019243555 = score(doc=2608,freq=2.0), product of:
              0.055928748 = queryWeight, product of:
                1.0485771 = boost
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.01370186 = queryNorm
              0.3440727 = fieldWeight in 2608, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.092880376 = weight(abstract_txt:lotkaian in 2608) [ClassicSimilarity], result of:
            0.092880376 = score(doc=2608,freq=1.0), product of:
              0.15973283 = queryWeight, product of:
                1.25304 = boost
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.01370186 = queryNorm
              0.5814733 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.068679735 = weight(abstract_txt:frequency in 2608) [ClassicSimilarity], result of:
            0.068679735 = score(doc=2608,freq=2.0), product of:
              0.13061628 = queryWeight, product of:
                1.6024388 = boost
                5.948895 = idf(docFreq=314, maxDocs=44421)
                0.01370186 = queryNorm
              0.525813 = fieldWeight in 2608, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.948895 = idf(docFreq=314, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.03468447 = weight(abstract_txt:authors in 2608) [ClassicSimilarity], result of:
            0.03468447 = score(doc=2608,freq=1.0), product of:
              0.119465366 = queryWeight, product of:
                1.876936 = boost
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.01370186 = queryNorm
              0.29033077 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.020467684 = weight(abstract_txt:that in 2608) [ClassicSimilarity], result of:
            0.020467684 = score(doc=2608,freq=5.0), product of:
              0.061927624 = queryWeight, product of:
                1.9111099 = boost
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.01370186 = queryNorm
              0.33050975 = fieldWeight in 2608, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.059872422 = weight(abstract_txt:function in 2608) [ClassicSimilarity], result of:
            0.059872422 = score(doc=2608,freq=1.0), product of:
              0.17191081 = queryWeight, product of:
                2.2515419 = boost
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.01370186 = queryNorm
              0.34827608 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.14725783 = weight(abstract_txt:lotka's in 2608) [ClassicSimilarity], result of:
            0.14725783 = score(doc=2608,freq=1.0), product of:
              0.27363637 = queryWeight, product of:
                2.3193684 = boost
                8.610425 = idf(docFreq=21, maxDocs=44421)
                0.01370186 = queryNorm
              0.53815156 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.610425 = idf(docFreq=21, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.16088636 = weight(abstract_txt:exponent in 2608) [ClassicSimilarity], result of:
            0.16088636 = score(doc=2608,freq=1.0), product of:
              0.29026926 = queryWeight, product of:
                2.3888195 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01370186 = queryNorm
              0.5542659 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.06734546 = weight(abstract_txt:papers in 2608) [ClassicSimilarity], result of:
            0.06734546 = score(doc=2608,freq=1.0), product of:
              0.20464624 = queryWeight, product of:
                2.8366106 = boost
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.01370186 = queryNorm
              0.32908234 = fieldWeight in 2608, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
          0.08076567 = weight(abstract_txt:number in 2608) [ClassicSimilarity], result of:
            0.08076567 = score(doc=2608,freq=2.0), product of:
              0.22094566 = queryWeight, product of:
                3.899057 = boost
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.01370186 = queryNorm
              0.36554542 = fieldWeight in 2608, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.0625 = fieldNorm(doc=2608)
        0.48 = coord(12/25)
    
  3. Egghe, L.: Relations between the continuous and the discrete Lotka power function (2005) 0.35
    0.3485755 = sum of:
      0.3485755 = product of:
        0.96826524 = sum of:
          0.009513222 = weight(abstract_txt:with in 4464) [ClassicSimilarity], result of:
            0.009513222 = score(doc=4464,freq=2.0), product of:
              0.034494806 = queryWeight, product of:
                1.0085683 = boost
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.01370186 = queryNorm
              0.2757871 = fieldWeight in 4464, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.02576258 = weight(abstract_txt:model in 4464) [ClassicSimilarity], result of:
            0.02576258 = score(doc=4464,freq=2.0), product of:
              0.058546077 = queryWeight, product of:
                1.072832 = boost
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.01370186 = queryNorm
              0.4400394 = fieldWeight in 4464, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.116100475 = weight(abstract_txt:lotkaian in 4464) [ClassicSimilarity], result of:
            0.116100475 = score(doc=4464,freq=1.0), product of:
              0.15973283 = queryWeight, product of:
                1.25304 = boost
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.01370186 = queryNorm
              0.7268416 = fieldWeight in 4464, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.04197599 = weight(abstract_txt:publications in 4464) [ClassicSimilarity], result of:
            0.04197599 = score(doc=4464,freq=1.0), product of:
              0.10213678 = queryWeight, product of:
                1.4170133 = boost
                5.260521 = idf(docFreq=626, maxDocs=44421)
                0.01370186 = queryNorm
              0.4109782 = fieldWeight in 4464, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.260521 = idf(docFreq=626, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.043355588 = weight(abstract_txt:authors in 4464) [ClassicSimilarity], result of:
            0.043355588 = score(doc=4464,freq=1.0), product of:
              0.119465366 = queryWeight, product of:
                1.876936 = boost
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.01370186 = queryNorm
              0.36291346 = fieldWeight in 4464, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.016181124 = weight(abstract_txt:that in 4464) [ClassicSimilarity], result of:
            0.016181124 = score(doc=4464,freq=2.0), product of:
              0.061927624 = queryWeight, product of:
                1.9111099 = boost
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.01370186 = queryNorm
              0.2612909 = fieldWeight in 4464, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.1833211 = weight(abstract_txt:function in 4464) [ClassicSimilarity], result of:
            0.1833211 = score(doc=4464,freq=6.0), product of:
              0.17191081 = queryWeight, product of:
                2.2515419 = boost
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.01370186 = queryNorm
              1.0663733 = fieldWeight in 4464, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.431098 = weight(abstract_txt:lotka in 4464) [ClassicSimilarity], result of:
            0.431098 = score(doc=4464,freq=6.0), product of:
              0.26557168 = queryWeight, product of:
                2.2849343 = boost
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.01370186 = queryNorm
              1.623283 = fieldWeight in 4464, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
          0.10095709 = weight(abstract_txt:number in 4464) [ClassicSimilarity], result of:
            0.10095709 = score(doc=4464,freq=2.0), product of:
              0.22094566 = queryWeight, product of:
                3.899057 = boost
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.01370186 = queryNorm
              0.45693177 = fieldWeight in 4464, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.078125 = fieldNorm(doc=4464)
        0.36 = coord(9/25)
    
  4. Ronda-Pupo, G.A.; Katz, J.S.: ¬The scaling relationship between citation-based performance and coauthorship patterns in natural sciences (2017) 0.30
    0.2985457 = sum of:
      0.2985457 = product of:
        1.0662346 = sum of:
          0.009513222 = weight(abstract_txt:with in 4603) [ClassicSimilarity], result of:
            0.009513222 = score(doc=4603,freq=2.0), product of:
              0.034494806 = queryWeight, product of:
                1.0085683 = boost
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.01370186 = queryNorm
              0.2757871 = fieldWeight in 4603, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.01700906 = weight(abstract_txt:than in 4603) [ClassicSimilarity], result of:
            0.01700906 = score(doc=4603,freq=1.0), product of:
              0.055928748 = queryWeight, product of:
                1.0485771 = boost
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.01370186 = queryNorm
              0.30412018 = fieldWeight in 4603, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.011441782 = weight(abstract_txt:that in 4603) [ClassicSimilarity], result of:
            0.011441782 = score(doc=4603,freq=1.0), product of:
              0.061927624 = queryWeight, product of:
                1.9111099 = boost
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.01370186 = queryNorm
              0.18476056 = fieldWeight in 4603, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.3483292 = weight(abstract_txt:exponent in 4603) [ClassicSimilarity], result of:
            0.3483292 = score(doc=4603,freq=3.0), product of:
              0.29026926 = queryWeight, product of:
                2.3888195 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01370186 = queryNorm
              1.2000209 = fieldWeight in 4603, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.35009202 = weight(abstract_txt:coauthored in 4603) [ClassicSimilarity], result of:
            0.35009202 = score(doc=4603,freq=2.0), product of:
              0.33339548 = queryWeight, product of:
                2.560134 = boost
                9.504243 = idf(docFreq=8, maxDocs=44421)
                0.01370186 = queryNorm
              1.0500803 = fieldWeight in 4603, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                9.504243 = idf(docFreq=8, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.20620255 = weight(abstract_txt:papers in 4603) [ClassicSimilarity], result of:
            0.20620255 = score(doc=4603,freq=6.0), product of:
              0.20464624 = queryWeight, product of:
                2.8366106 = boost
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.01370186 = queryNorm
              1.0076048 = fieldWeight in 4603, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
          0.12364668 = weight(abstract_txt:number in 4603) [ClassicSimilarity], result of:
            0.12364668 = score(doc=4603,freq=3.0), product of:
              0.22094566 = queryWeight, product of:
                3.899057 = boost
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.01370186 = queryNorm
              0.55962485 = fieldWeight in 4603, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.078125 = fieldNorm(doc=4603)
        0.28 = coord(7/25)
    
  5. Egghe, L.: Empirical and combinatorial study of country occurrences in multi-authored papers (2006) 0.30
    0.29794767 = sum of:
      0.29794767 = product of:
        0.7448692 = sum of:
          0.010529207 = weight(abstract_txt:with in 206) [ClassicSimilarity], result of:
            0.010529207 = score(doc=206,freq=5.0), product of:
              0.034494806 = queryWeight, product of:
                1.0085683 = boost
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.01370186 = queryNorm
              0.30524036 = fieldWeight in 206, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                2.4961398 = idf(docFreq=9949, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.020622391 = weight(abstract_txt:than in 206) [ClassicSimilarity], result of:
            0.020622391 = score(doc=206,freq=3.0), product of:
              0.055928748 = queryWeight, product of:
                1.0485771 = boost
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.01370186 = queryNorm
              0.36872613 = fieldWeight in 206, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.8927383 = idf(docFreq=2461, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.012751827 = weight(abstract_txt:model in 206) [ClassicSimilarity], result of:
            0.012751827 = score(doc=206,freq=1.0), product of:
              0.058546077 = queryWeight, product of:
                1.072832 = boost
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.01370186 = queryNorm
              0.2178084 = fieldWeight in 206, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9827821 = idf(docFreq=2249, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.07433935 = weight(abstract_txt:authors in 206) [ClassicSimilarity], result of:
            0.07433935 = score(doc=206,freq=6.0), product of:
              0.119465366 = queryWeight, product of:
                1.876936 = boost
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.01370186 = queryNorm
              0.622267 = fieldWeight in 206, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                4.6452923 = idf(docFreq=1159, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.021190476 = weight(abstract_txt:that in 206) [ClassicSimilarity], result of:
            0.021190476 = score(doc=206,freq=7.0), product of:
              0.061927624 = queryWeight, product of:
                1.9111099 = boost
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.01370186 = queryNorm
              0.34218132 = fieldWeight in 206, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                2.3649352 = idf(docFreq=11344, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.052388366 = weight(abstract_txt:function in 206) [ClassicSimilarity], result of:
            0.052388366 = score(doc=206,freq=1.0), product of:
              0.17191081 = queryWeight, product of:
                2.2515419 = boost
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.01370186 = queryNorm
              0.30474156 = fieldWeight in 206, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5724173 = idf(docFreq=458, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.12319651 = weight(abstract_txt:lotka in 206) [ClassicSimilarity], result of:
            0.12319651 = score(doc=206,freq=1.0), product of:
              0.26557168 = queryWeight, product of:
                2.2849343 = boost
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.01370186 = queryNorm
              0.46389174 = fieldWeight in 206, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.482592 = idf(docFreq=24, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.14077556 = weight(abstract_txt:exponent in 206) [ClassicSimilarity], result of:
            0.14077556 = score(doc=206,freq=1.0), product of:
              0.29026926 = queryWeight, product of:
                2.3888195 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01370186 = queryNorm
              0.48498267 = fieldWeight in 206, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.16667153 = weight(abstract_txt:papers in 206) [ClassicSimilarity], result of:
            0.16667153 = score(doc=206,freq=8.0), product of:
              0.20464624 = queryWeight, product of:
                2.8366106 = boost
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.01370186 = queryNorm
              0.81443727 = fieldWeight in 206, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                5.2653174 = idf(docFreq=623, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
          0.12240398 = weight(abstract_txt:number in 206) [ClassicSimilarity], result of:
            0.12240398 = score(doc=206,freq=6.0), product of:
              0.22094566 = queryWeight, product of:
                3.899057 = boost
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.01370186 = queryNorm
              0.5540004 = fieldWeight in 206, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                4.1356745 = idf(docFreq=1930, maxDocs=44421)
                0.0546875 = fieldNorm(doc=206)
        0.4 = coord(10/25)