The Power-weakness Ratios (PWR) as a Journal Indicator: Testing the “Tournaments” Metaphor in Citation Impact Studies
, et | 01 sept. 2017
À propos de cet article
Article Category: Research Paper
Publié en ligne: 01 sept. 2017
Pages: 6 - 26
Reçu: 10 juin 2016
Accepté: 02 août 2016
DOI: https://doi.org/10.20309/jdis.201617
Mots clés
© 2016 Loet Leydesdorff, Wouter de Nooy, Lutz Bornmann
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Citation matrix Z for the JASIST+ set of seven journals.
| Citing | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cited | ||||||||
| 132 | 165 | 49 | 86 | 68 | 46 | 23 | ||
| 120 | 756 | 107 | 495 | 189 | 139 | 319 | ||
| 12 | 66 | 89 | 72 | 26 | 26 | 30 | ||
| 48 | 320 | 34 | 1542 | 13 | 25 | 552 | ||
| 14 | 43 | 29 | 8 | 93 | 39 | 4 | ||
| 26 | 96 | 44 | 69 | 128 | 108 | 29 | ||
| 29 | 91 | 2 | 269 | 4 | 3 | 302 | ||
Seven strongly connected journals in LIS (JASIST+) ranked on their PWR within this group. For comparison, the SJR values from 2013 are included (see http://www.journalmetrics.com/values.php).
| Journal | PWR | SJR2013 |
|---|---|---|
| 1.79 | 0.751 | |
| 1.58 | 1.745 | |
| 1.48 | 0.876 | |
| 1.25 | 1.008 | |
| 0.99 | 1.412 | |
| 0.48 | 2.541 | |
| 0.42 | 0.475 |
The two homogeneous journal sub-graphs chosen for further analysis, and their abbreviated journal names.
| Sub-graph | Abbreviated name | Sub-graph | Abbreviated name |
|---|---|---|---|
Fifteen journals ranked highest on PWR among 83 LIS journals.
| Abbreviation of journal name | PWR |
|---|---|
| 59.52 | |
| 15.62 | |
| 11.31 | |
| 8.84 | |
| 6.96 | |
| 6.15 | |
| 5.53 | |
| 5.01 | |
| 4.40 | |
| 4.20 | |
| 3.57 | |
| 3.38 | |
| 3.15 | |
| 3.09 | |
| 2.90 |
Convergence of PWR with iteration k for the JASIST+ journals, with and without self-citations.
| With self-citations | |||||||
|---|---|---|---|---|---|---|---|
| PWR | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 1.49 | 1.72 | 1.76 | 1.76 | 1.76 | 1.76 | 1.77 | |
| 1.30 | 1.38 | 1.52 | 1.60 | 1.63 | 1.64 | 1.64 | |
| 1.38 | 1.48 | 1.51 | 1.53 | 1.53 | 1.53 | 1.54 | |
| 0.91 | 1.19 | 1.36 | 1.43 | 1.45 | 1.46 | 1.46 | |
| 1.00 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | |
| 0.56 | 0.48 | 0.47 | 0.47 | 0.47 | 0.47 | 0.47 | |
| 0.44 | 0.37 | 0.39 | 0.40 | 0.41 | 0.41 | 0.41 | |
| Without self-citations | |||||||
| PWR | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 1.76 | 1.93 | 1.75 | 1.80 | 1.78 | 1.79 | 1.79 | |
| 1.75 | 1.52 | 1.61 | 1.57 | 1.59 | 1.58 | 1.58 | |
| 1.41 | 1.46 | 1.46 | 1.48 | 1.47 | 1.48 | 1.48 | |
| 0.88 | 1.23 | 1.23 | 1.25 | 1.25 | 1.25 | 1.25 | |
| 0.99 | 0.99 | 0.98 | 0.99 | 0.98 | 0.99 | 0.98 | |
| 0.42 | 0.49 | 0.48 | 0.48 | 0.48 | 0.48 | 0.48 | |
| 0.32 | 0.43 | 0.41 | 0.42 | 0.42 | 0.42 | 0.42 | |