Table 1.
Bradford zones of scattering for Web 2.0 literature.
| Zones | Number of journals | Percentage of journals | Number of articles | Cumulative number of articles (%) | Description | Ratio (number of journals) | Theoretical ratio (1:n:n2) | Theoretical number of journals |
| Core journals | 27 | 4.4% | 428 | 428 (31.7) | Producing <53 and ≥7 articles | 1 | 1 | 27 |
| Middle | 178 | 29.0% | 510 | 938 (61.7) | Producing ≤6 and ≥2 articles | n=6.6 | n=6.6 | 178 |
| Last | 409 | 66.6% | 409 | 1347 (100) | Producing 1 article | n2=15.1 | n2=43.4 | 1172 |
| Total | 614 | 100.0% | 1347 | 1377 |