Mearf log results 2000-11-22 to 2001-07-14 ----------------------------------------------------------------------- queries: number of queries in the group clicks: number of clicks in the group c/q: number of clicks/number of queries links: average number of links returned per query ratio: number of queries with clicks / total number of queries rank: mean rank of clicks std: standard deviation of ranks of clicks ----------------------------------------------------------------------- Description: All Queries clicks:24819 queries:12198 queries with clicks: 7623 ratio: 0.62 clicks per query: 2.03, clicks per query ignoring no clicks: 3.26 avg time per qry: 2.05 + 0.33 secs Interleave ratio:0.63 links:62.64 queries:1530 clicks:3015 c/q:1.97 rank:17.37 std:18.68 Agreement ratio:0.60 links:62.09 queries: 655 clicks:1241 c/q:1.89 rank:17.39 std:19.72 Centroid ratio:0.63 links:61.58 queries:2408 clicks:4780 c/q:1.99 rank:13.02 std:14.69 WCentroid ratio:0.63 links:61.46 queries:1408 clicks:3033 c/q:2.15 rank:13.19 std:14.39 BestSim ratio:0.60 links:61.73 queries:2490 clicks:4847 c/q:1.95 rank:13.97 std:15.19 BestMSim ratio:0.65 links:61.26 queries:2343 clicks:4970 c/q:2.12 rank:14.01 std:15.46 Google ratio:0.64 links:47.62 queries:1364 clicks:2933 c/q:2.15 rank:14.44 std:15.58 ----------------------------------------------------------------------- Description: 1 term clicks: 3606 queries: 2972 queries with clicks: 1445 ratio: 0.49 clicks per query: 1.21, clicks per query ignoring no clicks: 2.50 avg time per qry: 1.90 + 0.30 secs Interleave ratio:0.49 links:53.10 queries: 386 clicks: 501 c/q:1.30 rank:16.26 std:17.73 Agreement ratio:0.44 links:51.57 queries: 167 clicks: 218 c/q:1.31 rank:19.49 std:21.93 Centroid ratio:0.49 links:52.79 queries: 553 clicks: 666 c/q:1.20 rank:12.53 std:14.32 WCentroid ratio:0.48 links:52.91 queries: 351 clicks: 425 c/q:1.21 rank:11.68 std:12.69 BestSim ratio:0.47 links:54.12 queries: 601 clicks: 761 c/q:1.27 rank:13.41 std:14.68 BestMSim ratio:0.51 links:51.62 queries: 555 clicks: 674 c/q:1.21 rank:13.00 std:14.30 Google ratio:0.50 links:47.59 queries: 359 clicks: 361 c/q:1.01 rank:12.14 std:14.79 ----------------------------------------------------------------------- Description: 2 terms clicks: 8593 queries: 4102 queries with clicks: 2606 ratio: 0.64 clicks per query: 2.09, clicks per query ignoring no clicks: 3.30 avg time per qry: 1.92 + 0.33 secs Interleave ratio:0.64 links:65.75 queries: 545 clicks:1101 c/q:2.02 rank:17.75 std:18.85 Agreement ratio:0.60 links:65.96 queries: 187 clicks: 334 c/q:1.79 rank:17.93 std:21.25 Centroid ratio:0.64 links:63.66 queries: 848 clicks:1712 c/q:2.02 rank:13.53 std:15.64 WCentroid ratio:0.69 links:63.57 queries: 428 clicks:1025 c/q:2.39 rank:13.73 std:15.00 BestSim ratio:0.56 links:63.88 queries: 864 clicks:1586 c/q:1.84 rank:15.17 std:16.39 BestMSim ratio:0.66 links:64.10 queries: 813 clicks:1771 c/q:2.18 rank:12.60 std:13.76 Google ratio:0.67 links:50.34 queries: 417 clicks:1064 c/q:2.55 rank:16.26 std:16.46 ----------------------------------------------------------------------- Description: 3 terms clicks: 6035 queries: 2513 queries with clicks: 1757 ratio: 0.70 clicks per query: 2.40, clicks per query ignoring no clicks: 3.43 avg time per qry: 2.09 + 0.34 secs Interleave ratio:0.68 links:65.89 queries: 283 clicks: 684 c/q:2.42 rank:16.43 std:17.75 Agreement ratio:0.68 links:65.09 queries: 137 clicks: 302 c/q:2.20 rank:17.61 std:19.19 Centroid ratio:0.68 links:65.47 queries: 502 clicks:1112 c/q:2.22 rank:13.05 std:14.62 WCentroid ratio:0.69 links:63.53 queries: 303 clicks: 780 c/q:2.57 rank:14.13 std:14.95 BestSim ratio:0.71 links:63.94 queries: 513 clicks:1247 c/q:2.43 rank:12.88 std:13.86 BestMSim ratio:0.73 links:64.14 queries: 493 clicks:1193 c/q:2.42 rank:13.81 std:15.44 Google ratio:0.70 links:49.48 queries: 282 clicks: 717 c/q:2.54 rank:13.73 std:15.07 ----------------------------------------------------------------------- Description: 4 terms clicks: 3564 queries: 1423 queries with clicks: 988 ratio: 0.69 clicks per query: 2.50, clicks per query ignoring no clicks: 3.61 avg time per qry: 2.22 + 0.36 secs Interleave ratio:0.68 links:66.11 queries: 168 clicks: 391 c/q:2.33 rank:18.42 std:19.98 Agreement ratio:0.66 links:66.82 queries: 62 clicks: 145 c/q:2.34 rank:15.86 std:17.01 Centroid ratio:0.69 links:64.25 queries: 285 clicks: 742 c/q:2.60 rank:12.77 std:13.66 WCentroid ratio:0.67 links:66.74 queries: 177 clicks: 397 c/q:2.24 rank:12.55 std:14.76 BestSim ratio:0.71 links:63.89 queries: 285 clicks: 708 c/q:2.48 rank:14.99 std:15.61 BestMSim ratio:0.71 links:64.05 queries: 262 clicks: 692 c/q:2.64 rank:16.10 std:17.25 Google ratio:0.70 links:44.66 queries: 184 clicks: 489 c/q:2.66 rank:14.29 std:15.46 ----------------------------------------------------------------------- Description: 5+ terms clicks: 3021 queries: 1187 queries with clicks: 827 ratio: 0.70 clicks per query: 2.55, clicks per query ignoring no clicks: 3.65 avg time per qry: 2.57 + 0.39 secs Interleave ratio:0.76 links:65.95 queries: 148 clicks: 338 c/q:2.28 rank:18.46 std:19.56 Agreement ratio:0.75 links:65.31 queries: 102 clicks: 242 c/q:2.37 rank:15.42 std:17.18 Centroid ratio:0.69 links:63.32 queries: 220 clicks: 548 c/q:2.49 rank:12.34 std:13.50 WCentroid ratio:0.70 links:65.06 queries: 149 clicks: 406 c/q:2.72 rank:12.22 std:12.75 BestSim ratio:0.66 links:66.00 queries: 227 clicks: 545 c/q:2.40 rank:12.41 std:14.22 BestMSim ratio:0.70 links:65.57 queries: 219 clicks: 640 c/q:2.92 rank:17.11 std:18.15 Google ratio:0.66 links:38.59 queries: 122 clicks: 302 c/q:2.48 rank:12.74 std:13.91 ----------------------------------------------------------------------- Description: 0-24 links clicks: 825 queries: 1004 queries with clicks: 382 ratio: 0.38 clicks per query: 0.82, clicks per query ignoring no clicks: 2.16 avg time per qry: 1.75 + 0.05 secs Interleave ratio:0.41 links:11.37 queries: 116 clicks: 103 c/q:0.89 rank: 5.47 std: 4.80 Agreement ratio:0.31 links: 8.31 queries: 48 clicks: 28 c/q:0.58 rank: 4.68 std: 4.06 Centroid ratio:0.40 links:11.56 queries: 174 clicks: 132 c/q:0.76 rank: 4.83 std: 4.69 WCentroid ratio:0.32 links:11.24 queries: 85 clicks: 63 c/q:0.74 rank: 7.02 std: 8.38 BestSim ratio:0.33 links: 9.82 queries: 157 clicks: 105 c/q:0.67 rank: 4.46 std: 4.44 BestMSim ratio:0.42 links:10.34 queries: 171 clicks: 130 c/q:0.76 rank: 5.70 std: 4.99 Google ratio:0.40 links: 6.11 queries: 253 clicks: 264 c/q:1.04 rank: 6.00 std: 5.87 ----------------------------------------------------------------------- Description: 25-49 links clicks: 2323 queries: 1366 queries with clicks: 811 ratio: 0.59 clicks per query: 1.70, clicks per query ignoring no clicks: 2.86 avg time per qry: 2.50 + 0.22 secs Interleave ratio:0.57 links:38.80 queries: 153 clicks: 221 c/q:1.44 rank:11.27 std:10.99 Agreement ratio:0.56 links:39.48 queries: 87 clicks: 126 c/q:1.45 rank:12.11 std:11.91 Centroid ratio:0.61 links:40.39 queries: 271 clicks: 436 c/q:1.61 rank:10.51 std:10.43 WCentroid ratio:0.57 links:41.55 queries: 168 clicks: 319 c/q:1.90 rank: 9.98 std:10.29 BestSim ratio:0.55 links:39.70 queries: 270 clicks: 438 c/q:1.62 rank:11.07 std:10.52 BestMSim ratio:0.59 links:39.77 queries: 255 clicks: 383 c/q:1.50 rank:10.64 std:10.42 Google ratio:0.72 links:42.60 queries: 162 clicks: 400 c/q:2.47 rank:11.57 std:11.22 ----------------------------------------------------------------------- Description: 50-74 links clicks:15274 queries: 7161 queries with clicks: 4666 ratio: 0.65 clicks per query: 2.13, clicks per query ignoring no clicks: 3.27 avg time per qry: 2.10 + 0.35 secs Interleave ratio:0.66 links:64.07 queries: 806 clicks:1658 c/q:2.06 rank:16.49 std:17.27 Agreement ratio:0.62 links:64.97 queries: 321 clicks: 594 c/q:1.85 rank:15.63 std:17.24 Centroid ratio:0.64 links:63.99 queries:1366 clicks:2917 c/q:2.14 rank:13.15 std:14.29 WCentroid ratio:0.67 links:64.12 queries: 852 clicks:1867 c/q:2.19 rank:12.70 std:13.76 BestSim ratio:0.61 links:64.11 queries:1487 clicks:2950 c/q:1.98 rank:13.68 std:14.60 BestMSim ratio:0.68 links:64.24 queries:1380 clicks:3019 c/q:2.19 rank:13.94 std:15.07 Google ratio:0.68 links:59.54 queries: 949 clicks:2269 c/q:2.39 rank:15.93 std:16.61 ----------------------------------------------------------------------- Description: 75+ links clicks: 6397 queries: 2667 queries with clicks: 1764 ratio: 0.66 clicks per query: 2.40, clicks per query ignoring no clicks: 3.63 avg time per qry: 1.80 + 0.45 secs Interleave ratio:0.65 links:81.21 queries: 455 clicks:1033 c/q:2.27 rank:21.28 std:21.74 Agreement ratio:0.67 links:80.29 queries: 199 clicks: 493 c/q:2.48 rank:21.59 std:23.38 Centroid ratio:0.66 links:80.26 queries: 597 clicks:1295 c/q:2.17 rank:14.42 std:16.96 WCentroid ratio:0.65 links:79.12 queries: 303 clicks: 784 c/q:2.59 rank:16.16 std:16.88 BestSim ratio:0.66 links:80.06 queries: 576 clicks:1354 c/q:2.35 rank:16.27 std:17.58 BestMSim ratio:0.67 links:80.01 queries: 537 clicks:1438 c/q:2.68 rank:15.82 std:17.48 -----------------------------------------------------------------------