Table 1 Algorithm of citations-over-age index determination in PubMed Basic mode
| Â | Â | Age | |||
|---|---|---|---|---|---|
| Â | Â | < = 1 year | > 1 and < = 3 years | >3 and < = 5 years | > 5 years |
Forward Citations | No forward citations | 1 | 1 | 0.75 | 0.5 |
| Â | Present forward citations | 1.5 | 1.25 | 1 | 1 |
| Â | Â | Age | |||
|---|---|---|---|---|---|
| Â | Â | < = 1 year | > 1 and < = 3 years | >3 and < = 5 years | > 5 years |
Forward Citations | No forward citations | 1 | 1 | 0.75 | 0.5 |
| Â | Present forward citations | 1.5 | 1.25 | 1 | 1 |