Indicator | Formula | OBIS Dec09 | DanBIF-09b | HUA-09a | HUA-09b | DK 2009b |
---|---|---|---|---|---|---|
Searched records | s(u) | 2,092,927 | 5,682,095 | 2,299,133 | 7,328,160 | 13,010,255 |
Download frequency | d(u) | 555,835 | 854,761 | 809,468 | 717,102 | 1,571,863 |
Record number | r(u) | 11,140,298 | 4,995,544 | 259,077 | 259,077 | 4,836,771 |
Search events | S(u) | 42,860 | 249,214 | 126,449 | 198,910 | 448,124 |
Download events | D(u) | 601 | 4,486 | 2,059 | 1,710 | 6,246 |
Dataset number | N(u) | 180 | 38 | 2 | 2 | 40 |
Datasets used | n(u) | 171 | 36 | 2 | 2 | 36 |
Search density | s(u)/S(u) | 48.83 | 22.80 | 18.18 | 36.84 | 29.03 |
Download density | d(u)/D(u) | 924.85 | 190.54 | 393.14 | 407.44 | 251.66 |
Usage impact | d(u)/r(u) | 0.05 | 0.17 | 3.12 | 2.77 | 0.32 |
Interest impact | s(u)/r(u) | 0.19 | 1.14 | 8.87 | 28.29 | 2.69 |
Usage ratio | d(u)/s(u) | 0.27 | 0.15 | 0.35 | 0.10 | 0.12 |
Usage balance | D(u)/S(u) | 0.014 | 0.018 | 0.009 | 0.009 | 0.014 |