Document (#39904)

Author
Zhang, L.
Rousseau, R.
Glänzel, W.
Title
Diversity of references as an indicator of the interdisciplinarity of journals : taking similarity between subject fields into account
Source
Journal of the Association for Information Science and Technology. 67(2016) no.5, S.1257-1265
Year
2016
Abstract
The objective of this article is to further the study of journal interdisciplinarity, or, more generally, knowledge integration at the level of individual articles. Interdisciplinarity is operationalized by the diversity of subject fields assigned to cited items in the article's reference list. Subject fields and subfields were obtained from the Leuven-Budapest (ECOOM) subject-classification scheme, while disciplinary diversity was measured taking variety, balance, and disparity into account. As diversity measure we use a Hill-type true diversity in the sense of Jost and Leinster-Cobbold. The analysis is conducted in 3 steps. In the first part, the properties of this measure are discussed, and, on the basis of these properties it is shown that the measure has the potential to serve as an indicator of interdisciplinarity. In the second part the applicability of this indicator is shown using selected journals from several research fields ranging from mathematics to social sciences. Finally, the often-heard argument, namely, that interdisciplinary research exhibits larger visibility and impact, is studied on the basis of these selected journals. Yet, as only 7 journals, representing a total of 15,757 articles, are studied, albeit chosen to cover a large range of interdisciplinarity, further research is still needed.
Content
Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23487/abstract.
Theme
Informetrie

Similar documents (author)

  1. Zhang, L.; Rousseau, R.; Glänzel, W.: Document-type country profiles (2011) 5.01
    5.0068793 = sum of:
      5.0068793 = sum of:
        0.9550691 = weight(author_txt:zhang in 952) [ClassicSimilarity], result of:
          0.9550691 = score(doc=952,freq=1.0), product of:
            0.39121783 = queryWeight, product of:
              6.510059 = idf(docFreq=174, maxDocs=43254)
              0.06009436 = queryNorm
            2.441272 = fieldWeight in 952, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.510059 = idf(docFreq=174, maxDocs=43254)
              0.375 = fieldNorm(doc=952)
        1.4980615 = weight(author_txt:rousseau in 952) [ClassicSimilarity], result of:
          1.4980615 = score(doc=952,freq=1.0), product of:
            0.52813935 = queryWeight, product of:
              1.1618898 = boost
              7.563971 = idf(docFreq=60, maxDocs=43254)
              0.06009436 = queryNorm
            2.8364892 = fieldWeight in 952, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              7.563971 = idf(docFreq=60, maxDocs=43254)
              0.375 = fieldNorm(doc=952)
        2.5537486 = weight(author_txt:glänzel in 952) [ClassicSimilarity], result of:
          2.5537486 = score(doc=952,freq=1.0), product of:
            0.7536694 = queryWeight, product of:
              1.3879733 = boost
              9.035788 = idf(docFreq=13, maxDocs=43254)
              0.06009436 = queryNorm
            3.3884203 = fieldWeight in 952, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.035788 = idf(docFreq=13, maxDocs=43254)
              0.375 = fieldNorm(doc=952)
    
  2. Glänzel, W.; Rousseau, D.; Zhang, L.: ¬A visual representation of relative first-citation times (2012) 5.01
    5.0068793 = sum of:
      5.0068793 = sum of:
        0.9550691 = weight(author_txt:zhang in 1750) [ClassicSimilarity], result of:
          0.9550691 = score(doc=1750,freq=1.0), product of:
            0.39121783 = queryWeight, product of:
              6.510059 = idf(docFreq=174, maxDocs=43254)
              0.06009436 = queryNorm
            2.441272 = fieldWeight in 1750, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.510059 = idf(docFreq=174, maxDocs=43254)
              0.375 = fieldNorm(doc=1750)
        1.4980615 = weight(author_txt:rousseau in 1750) [ClassicSimilarity], result of:
          1.4980615 = score(doc=1750,freq=1.0), product of:
            0.52813935 = queryWeight, product of:
              1.1618898 = boost
              7.563971 = idf(docFreq=60, maxDocs=43254)
              0.06009436 = queryNorm
            2.8364892 = fieldWeight in 1750, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              7.563971 = idf(docFreq=60, maxDocs=43254)
              0.375 = fieldNorm(doc=1750)
        2.5537486 = weight(author_txt:glänzel in 1750) [ClassicSimilarity], result of:
          2.5537486 = score(doc=1750,freq=1.0), product of:
            0.7536694 = queryWeight, product of:
              1.3879733 = boost
              9.035788 = idf(docFreq=13, maxDocs=43254)
              0.06009436 = queryNorm
            3.3884203 = fieldWeight in 1750, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.035788 = idf(docFreq=13, maxDocs=43254)
              0.375 = fieldNorm(doc=1750)
    
  3. Zhang, L.; Thijs, B.; Glänzel, W.: What does scientometrics share with other "metrics" sciences? (2013) 2.34
    2.339212 = sum of:
      2.339212 = product of:
        3.5088177 = sum of:
          0.9550691 = weight(author_txt:zhang in 2425) [ClassicSimilarity], result of:
            0.9550691 = score(doc=2425,freq=1.0), product of:
              0.39121783 = queryWeight, product of:
                6.510059 = idf(docFreq=174, maxDocs=43254)
                0.06009436 = queryNorm
              2.441272 = fieldWeight in 2425, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.510059 = idf(docFreq=174, maxDocs=43254)
                0.375 = fieldNorm(doc=2425)
          2.5537486 = weight(author_txt:glänzel in 2425) [ClassicSimilarity], result of:
            2.5537486 = score(doc=2425,freq=1.0), product of:
              0.7536694 = queryWeight, product of:
                1.3879733 = boost
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.06009436 = queryNorm
              3.3884203 = fieldWeight in 2425, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.375 = fieldNorm(doc=2425)
        0.6666667 = coord(2/3)
    
  4. Glänzel, W.: Visual bibliometrics : eine visuelle Oberfläche zur Erweiterung der Nutzungsmöglichkeiten bibliographischer Datenbanken (1996) 1.42
    1.4187493 = sum of:
      1.4187493 = product of:
        4.256248 = sum of:
          4.256248 = weight(author_txt:glänzel in 179) [ClassicSimilarity], result of:
            4.256248 = score(doc=179,freq=1.0), product of:
              0.7536694 = queryWeight, product of:
                1.3879733 = boost
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.06009436 = queryNorm
              5.6473675 = fieldWeight in 179, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.625 = fieldNorm(doc=179)
        0.33333334 = coord(1/3)
    
  5. Glänzel, W.: Coauthorship patterns and trends in the sciences (1980-1998) : a bibliometric study with implications for database indexing and search strategies (2002) 1.42
    1.4187493 = sum of:
      1.4187493 = product of:
        4.256248 = sum of:
          4.256248 = weight(author_txt:glänzel in 1936) [ClassicSimilarity], result of:
            4.256248 = score(doc=1936,freq=1.0), product of:
              0.7536694 = queryWeight, product of:
                1.3879733 = boost
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.06009436 = queryNorm
              5.6473675 = fieldWeight in 1936, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.035788 = idf(docFreq=13, maxDocs=43254)
                0.625 = fieldNorm(doc=1936)
        0.33333334 = coord(1/3)
    

Similar documents (content)

  1. Morillo, F.; Bordorns, M.; Gómez, I.: Interdisciplinarity in science : a tentative typology of disciplines and research areas (2003) 0.28
    0.27686214 = sum of:
      0.27686214 = product of:
        1.1535923 = sum of:
          0.020947307 = weight(abstract_txt:research in 4119) [ClassicSimilarity], result of:
            0.020947307 = score(doc=4119,freq=3.0), product of:
              0.0605261 = queryWeight, product of:
                1.123159 = boost
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.016856078 = queryNorm
              0.3460872 = fieldWeight in 4119, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
          0.029501457 = weight(abstract_txt:subject in 4119) [ClassicSimilarity], result of:
            0.029501457 = score(doc=4119,freq=1.0), product of:
              0.120718226 = queryWeight, product of:
                1.8315793 = boost
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.016856078 = queryNorm
              0.24438278 = fieldWeight in 4119, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
          0.11795614 = weight(abstract_txt:indicator in 4119) [ClassicSimilarity], result of:
            0.11795614 = score(doc=4119,freq=1.0), product of:
              0.27629817 = queryWeight, product of:
                2.3997111 = boost
                6.830658 = idf(docFreq=126, maxDocs=43254)
                0.016856078 = queryNorm
              0.42691612 = fieldWeight in 4119, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.830658 = idf(docFreq=126, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
          0.06786229 = weight(abstract_txt:journals in 4119) [ClassicSimilarity], result of:
            0.06786229 = score(doc=4119,freq=1.0), product of:
              0.21035986 = queryWeight, product of:
                2.417802 = boost
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.016856078 = queryNorm
              0.32260093 = fieldWeight in 4119, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
          0.16713342 = weight(abstract_txt:diversity in 4119) [ClassicSimilarity], result of:
            0.16713342 = score(doc=4119,freq=1.0), product of:
              0.41325942 = queryWeight, product of:
                3.788835 = boost
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.016856078 = queryNorm
              0.40442738 = fieldWeight in 4119, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
          0.7501918 = weight(abstract_txt:interdisciplinarity in 4119) [ClassicSimilarity], result of:
            0.7501918 = score(doc=4119,freq=8.0), product of:
              0.5622534 = queryWeight, product of:
                4.41937 = boost
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.016856078 = queryNorm
              1.3342593 = fieldWeight in 4119, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.0625 = fieldNorm(doc=4119)
        0.24 = coord(6/25)
    
  2. Steele, T.W.; Stier, J.C.: ¬The impact of interdisciplinary research in the environmental sciences : a forestry case study (2000) 0.27
    0.27246007 = sum of:
      0.27246007 = product of:
        0.97307163 = sum of:
          0.09912947 = weight(abstract_txt:article's in 6593) [ClassicSimilarity], result of:
            0.09912947 = score(doc=6593,freq=1.0), product of:
              0.14702316 = queryWeight, product of:
                1.0106533 = boost
                8.630322 = idf(docFreq=20, maxDocs=43254)
                0.016856078 = queryNorm
              0.6742439 = fieldWeight in 6593, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.630322 = idf(docFreq=20, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.015117417 = weight(abstract_txt:research in 6593) [ClassicSimilarity], result of:
            0.015117417 = score(doc=6593,freq=1.0), product of:
              0.0605261 = queryWeight, product of:
                1.123159 = boost
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.016856078 = queryNorm
              0.24976692 = fieldWeight in 6593, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.059333455 = weight(abstract_txt:articles in 6593) [ClassicSimilarity], result of:
            0.059333455 = score(doc=6593,freq=3.0), product of:
              0.09121926 = queryWeight, product of:
                1.1258165 = boost
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.016856078 = queryNorm
              0.65044874 = fieldWeight in 6593, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.03687682 = weight(abstract_txt:subject in 6593) [ClassicSimilarity], result of:
            0.03687682 = score(doc=6593,freq=1.0), product of:
              0.120718226 = queryWeight, product of:
                1.8315793 = boost
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.016856078 = queryNorm
              0.30547848 = fieldWeight in 6593, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.084827855 = weight(abstract_txt:journals in 6593) [ClassicSimilarity], result of:
            0.084827855 = score(doc=6593,freq=1.0), product of:
              0.21035986 = queryWeight, product of:
                2.417802 = boost
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.016856078 = queryNorm
              0.40325117 = fieldWeight in 6593, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.20891678 = weight(abstract_txt:diversity in 6593) [ClassicSimilarity], result of:
            0.20891678 = score(doc=6593,freq=1.0), product of:
              0.41325942 = queryWeight, product of:
                3.788835 = boost
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.016856078 = queryNorm
              0.50553423 = fieldWeight in 6593, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
          0.46886986 = weight(abstract_txt:interdisciplinarity in 6593) [ClassicSimilarity], result of:
            0.46886986 = score(doc=6593,freq=2.0), product of:
              0.5622534 = queryWeight, product of:
                4.41937 = boost
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.016856078 = queryNorm
              0.833912 = fieldWeight in 6593, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.078125 = fieldNorm(doc=6593)
        0.28 = coord(7/25)
    
  3. Herring, S.D.: ¬The value of interdisciplinarity : a study based on the design of Internet search engines (1999) 0.21
    0.21493366 = sum of:
      0.21493366 = product of:
        0.6716677 = sum of:
          0.025562372 = weight(abstract_txt:further in 5459) [ClassicSimilarity], result of:
            0.025562372 = score(doc=5459,freq=1.0), product of:
              0.08708326 = queryWeight, product of:
                1.0999974 = boost
                4.6966314 = idf(docFreq=1072, maxDocs=43254)
                0.016856078 = queryNorm
              0.29353946 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6966314 = idf(docFreq=1072, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.017103406 = weight(abstract_txt:research in 5459) [ClassicSimilarity], result of:
            0.017103406 = score(doc=5459,freq=2.0), product of:
              0.0605261 = queryWeight, product of:
                1.123159 = boost
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.016856078 = queryNorm
              0.282579 = fieldWeight in 5459, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.02740495 = weight(abstract_txt:articles in 5459) [ClassicSimilarity], result of:
            0.02740495 = score(doc=5459,freq=1.0), product of:
              0.09121926 = queryWeight, product of:
                1.1258165 = boost
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.016856078 = queryNorm
              0.3004294 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.035474062 = weight(abstract_txt:selected in 5459) [ClassicSimilarity], result of:
            0.035474062 = score(doc=5459,freq=1.0), product of:
              0.10834474 = queryWeight, product of:
                1.2269539 = boost
                5.2386947 = idf(docFreq=623, maxDocs=43254)
                0.016856078 = queryNorm
              0.32741842 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.2386947 = idf(docFreq=623, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.059278216 = weight(abstract_txt:measure in 5459) [ClassicSimilarity], result of:
            0.059278216 = score(doc=5459,freq=1.0), product of:
              0.17464697 = queryWeight, product of:
                1.9078774 = boost
                5.430678 = idf(docFreq=514, maxDocs=43254)
                0.016856078 = queryNorm
              0.33941737 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.430678 = idf(docFreq=514, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.063886486 = weight(abstract_txt:fields in 5459) [ClassicSimilarity], result of:
            0.063886486 = score(doc=5459,freq=1.0), product of:
              0.20206134 = queryWeight, product of:
                2.369632 = boost
                5.0587797 = idf(docFreq=746, maxDocs=43254)
                0.016856078 = queryNorm
              0.31617373 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.0587797 = idf(docFreq=746, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.06786229 = weight(abstract_txt:journals in 5459) [ClassicSimilarity], result of:
            0.06786229 = score(doc=5459,freq=1.0), product of:
              0.21035986 = queryWeight, product of:
                2.417802 = boost
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.016856078 = queryNorm
              0.32260093 = fieldWeight in 5459, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
          0.3750959 = weight(abstract_txt:interdisciplinarity in 5459) [ClassicSimilarity], result of:
            0.3750959 = score(doc=5459,freq=2.0), product of:
              0.5622534 = queryWeight, product of:
                4.41937 = boost
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.016856078 = queryNorm
              0.66712964 = fieldWeight in 5459, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.0625 = fieldNorm(doc=5459)
        0.32 = coord(8/25)
    
  4. Gomez, I.: Coping with the problem of subject classification diversity (1996) 0.18
    0.17614885 = sum of:
      0.17614885 = product of:
        0.8807442 = sum of:
          0.025655108 = weight(abstract_txt:research in 6143) [ClassicSimilarity], result of:
            0.025655108 = score(doc=6143,freq=2.0), product of:
              0.0605261 = queryWeight, product of:
                1.123159 = boost
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.016856078 = queryNorm
              0.4238685 = fieldWeight in 6143, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.09375 = fieldNorm(doc=6143)
          0.06258204 = weight(abstract_txt:subject in 6143) [ClassicSimilarity], result of:
            0.06258204 = score(doc=6143,freq=2.0), product of:
              0.120718226 = queryWeight, product of:
                1.8315793 = boost
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.016856078 = queryNorm
              0.51841414 = fieldWeight in 6143, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9101245 = idf(docFreq=2355, maxDocs=43254)
                0.09375 = fieldNorm(doc=6143)
          0.14395764 = weight(abstract_txt:journals in 6143) [ClassicSimilarity], result of:
            0.14395764 = score(doc=6143,freq=2.0), product of:
              0.21035986 = queryWeight, product of:
                2.417802 = boost
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.016856078 = queryNorm
              0.68433994 = fieldWeight in 6143, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.09375 = fieldNorm(doc=6143)
          0.25070012 = weight(abstract_txt:diversity in 6143) [ClassicSimilarity], result of:
            0.25070012 = score(doc=6143,freq=1.0), product of:
              0.41325942 = queryWeight, product of:
                3.788835 = boost
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.016856078 = queryNorm
              0.60664105 = fieldWeight in 6143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.470838 = idf(docFreq=181, maxDocs=43254)
                0.09375 = fieldNorm(doc=6143)
          0.39784932 = weight(abstract_txt:interdisciplinarity in 6143) [ClassicSimilarity], result of:
            0.39784932 = score(doc=6143,freq=1.0), product of:
              0.5622534 = queryWeight, product of:
                4.41937 = boost
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.016856078 = queryNorm
              0.70759785 = fieldWeight in 6143, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.09375 = fieldNorm(doc=6143)
        0.2 = coord(5/25)
    
  5. Hellsten, I.; Leydesdorff, L.: ¬The construction of interdisciplinarity : the development of the knowledge base and programmatic focus of the journal Climatic Change, 1977-2013 (2016) 0.18
    0.17511106 = sum of:
      0.17511106 = product of:
        0.6253966 = sum of:
          0.025381206 = weight(abstract_txt:basis in 4554) [ClassicSimilarity], result of:
            0.025381206 = score(doc=4554,freq=1.0), product of:
              0.086671315 = queryWeight, product of:
                1.0973926 = boost
                4.6855097 = idf(docFreq=1084, maxDocs=43254)
                0.016856078 = queryNorm
              0.29284436 = fieldWeight in 4554, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6855097 = idf(docFreq=1084, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.025562372 = weight(abstract_txt:further in 4554) [ClassicSimilarity], result of:
            0.025562372 = score(doc=4554,freq=1.0), product of:
              0.08708326 = queryWeight, product of:
                1.0999974 = boost
                4.6966314 = idf(docFreq=1072, maxDocs=43254)
                0.016856078 = queryNorm
              0.29353946 = fieldWeight in 4554, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6966314 = idf(docFreq=1072, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.012093933 = weight(abstract_txt:research in 4554) [ClassicSimilarity], result of:
            0.012093933 = score(doc=4554,freq=1.0), product of:
              0.0605261 = queryWeight, product of:
                1.123159 = boost
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.016856078 = queryNorm
              0.19981353 = fieldWeight in 4554, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1970165 = idf(docFreq=4806, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.02740495 = weight(abstract_txt:articles in 4554) [ClassicSimilarity], result of:
            0.02740495 = score(doc=4554,freq=1.0), product of:
              0.09121926 = queryWeight, product of:
                1.1258165 = boost
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.016856078 = queryNorm
              0.3004294 = fieldWeight in 4554, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.8068705 = idf(docFreq=960, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.063886486 = weight(abstract_txt:fields in 4554) [ClassicSimilarity], result of:
            0.063886486 = score(doc=4554,freq=1.0), product of:
              0.20206134 = queryWeight, product of:
                2.369632 = boost
                5.0587797 = idf(docFreq=746, maxDocs=43254)
                0.016856078 = queryNorm
              0.31617373 = fieldWeight in 4554, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.0587797 = idf(docFreq=746, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.09597176 = weight(abstract_txt:journals in 4554) [ClassicSimilarity], result of:
            0.09597176 = score(doc=4554,freq=2.0), product of:
              0.21035986 = queryWeight, product of:
                2.417802 = boost
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.016856078 = queryNorm
              0.45622662 = fieldWeight in 4554, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.161615 = idf(docFreq=673, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
          0.3750959 = weight(abstract_txt:interdisciplinarity in 4554) [ClassicSimilarity], result of:
            0.3750959 = score(doc=4554,freq=2.0), product of:
              0.5622534 = queryWeight, product of:
                4.41937 = boost
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.016856078 = queryNorm
              0.66712964 = fieldWeight in 4554, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.5477104 = idf(docFreq=61, maxDocs=43254)
                0.0625 = fieldNorm(doc=4554)
        0.28 = coord(7/25)