Table 3 Test collection characteristics
Dataset | Docs. | Qys. | Rel. | Document terms | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Min. | Q1 | Med. | Q3 | Max. |
LISA | 6,004 | 35 | 335 | 11 | 68 | 96 | 128.25 | 352 |
NPL | 11,429 | 93 | 2,083 | 3 | 25 | 39 | 58 | 293 |
CACM | 3,204 | 64 | 796 | 3 | 10 | 23 | 108 | 455 |
CISI | 1,460 | 112 | 3,114 | 13 | 97 | 137 | 186 | 676 |
Cranfield | 1,400 | 225 | 1,838 | 1 | 113 | 165 | 241.25 | 738 |
Time | 423 | 83 | 324 | 91 | 399 | 612 | 918 | 6,618 |
Medline | 1,033 | 30 | 696 | 24 | 107 | 159 | 226 | 758 |
ADI | 82 | 35 | 170 | 28 | 60.25 | 70.5 | 80 | 216 |
Query terms | Explanation | Â | Â | Â | ||||
Min. | Q1 | Med. | Q3 | Max. | Â | Â | Â | Â |
23 | 49.5 | 64 | 85 | 142 | Abstracts collection | Â | Â | Â |
4 | 9 | 12 | 15 | 24 | Short text | Â | Â | Â |
3 | 8.75 | 16 | 30 | 62 | CACM articles index | Â | Â | Â |
4 | 20 | 72 | 122.75 | 335 | Index of articles | Â | Â | Â |
6 | 12 | 16 | 21 | 43 | Index of articles | Â | Â | Â |
8 | 15 | 20 | 23.5 | 46 | Short text | Â | Â | Â |
3 | 9.25 | 16.5 | 23.75 | 60 | Medical text | Â | Â | Â |
4 | 8 | 13 | 21.5 | 57 | Short articles | Â | Â | Â |