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138   Becoming Metric-Wise


          Table 5.7 Data for the bibliographic coupling and cocitation problem
          Articles

          A                 B                 C                 D
          E                 A                 A                 A
          F                 C                 K                 B
          G                 E                 E                 E
          H                 F                 F                 F
                                                                G
                                                                K


          Table 5.8 Solution of the bibliographic coupling problem
          Pair                Bibl. coupling            Relative bibl. coupling
          A-B                 2                         2/6
          A-C                 2                         2/6
          A-D                 3                         3/7
          B-C                 3                         3/5
          B-D                 3                         3/7
          C-D                 4                         4/6

          Source: data in Table 5.7.

          Table 5.9 Solution of the cocitation problem
          Pair       Cocit      Rel cocit     Pair       Cocit      Rel cocit
          A-B        1          1/3           C-F        1          1/4
          A-C        1          1/3           C-G        0          0/2
          A-E        3          3/4           C-H        0          0/2
          A-F        3          3/4           C-K        0          0/3
          A-G        1          1/4           E-F        4          4/4
          A-H        0          0/4           E-G        2          2/4
          A-K        2          2/3           E-H        1          1/4
          B-C        0          0/2           E-K        2          2/4
          B-E        1          1/4           F-G        2          2/4
          B-F        1          1/4           F-H        1          1/4
          B-G        1          1/2           F-K        2          2/4
          B-H        0          0/2           G-H        1          1/2
          B-K        1          1/2           G-K        1          1/3
          C-E        1          1/4           H-K        0          0/3
          Source: data in Table 5.7.

          is older than C); C belongs to the reference list of B (and hence is older
          than B) and B is in the reference list of D.
             Bibliographic coupling results are shown in Table 5.8.
             Result for cocitation frequencies are shown in Table 5.9.
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