Results
KDD Cup 2007: Consumer recommendations
Winners of KDD Cup 2007: Tasks 1 - Who Rated What
- First Place: Miklos Kurucz, Andras A. Benczur, Tamas Kiss, Istvan Nagy, Adrienn Szabo, Balazs Torma (Hungarian Academy of Sciences)
- First Runner Up: Advanced Analytical Solutions Team of Neo Metrics directed by Jorge Sueiras (Neo Metrics)
- Second Runner Up: Yan Liu, Zhenzhen Kou (IBM Research)
Winners of KDD Cup 2007: Tasks 2 - How Many Ratings
- First Place: Saharon Rosset, Claudia Perlich, Yan Liu (IBM Research)
- First Runner Up: Advanced Analytical Solutions Team of Neo Metrics directed by Jorge Sueiras (Neo Metrics)
- Second Runner Up: James Malaugh (Team Lead), Sachin Gangaputra, Nikhil Rastogi, Rahul Shankar, Sandeep Gupta, Kushagra Gupta, Neha Gupta, Gaurav Lal (Inductis)
Final Results: Task 1 - Who Rated What
Results are listed using the Submission ID for privacy.
| Rank | Submission ID | RMSE |
| 1 | 117 | 0.256 |
| 2 | 43 | 0.263 |
| 3 | 184 | 0.265 |
| 4 | 187 | 0.267 |
| 5 | 86 | 0.268 |
| 6 | 100 | 0.269 |
| 7 | 168 | 0.271 |
| 8 | 148 | 0.272 |
| 9 | 195 | 0.274 |
| 10 | 59 | 0.279 |
| 11 | 175 | 0.279 |
| 12 | 138 | 0.279 |
| 13 | 134 | 0.282 |
| 14 | 185 | 0.282 |
| 15 | 190 | 0.283 |
| 16 | 19 | 0.288 |
| 17 | 180 | 0.304 |
| 18 | 110 | 0.304 |
| 19 | 49 | 0.310 |
| 20 | 51 | 0.316 |
| 21 | 38 | 0.319 |
| 22 | 40 | 0.321 |
| 23 | 21 | 0.325 |
| 24 | 54 | 0.336 |
| 25 | 123 | 0.377 |
| 26 | 29 | 0.389 |
| 27 | 197 | 0.452 |
| 28 | 196 | 0.456 |
| 29 | 24 | 0.506 |
| 30 | 193 | 0.535 |
| 31 | 162 | 0.580 |
| 32 | 10 | 0.621 |
| 33 | 83 | 0.623 |
| 34 | 137 | 0.642 |
| 35 | 57 | 0.661 |
| 36 | 78 | 0.685 |
| 37 | 179 | 0.773 |
| 38 | 192 | 0.812 |
| 39 | 17 | 0.882 |
Final Results: Task 2 - How Many Ratingst
Results are listed using the Submission ID for privacy.
| Rank | Submission ID | RMSE |
| 1 | 194 | 774.253 |
| 2 | 79 | 1028.381 |
| 3 | 115 | 1325.156 |
| 4 | 188 | 1826.473 |
| 5 | 16 | 1906.046 |
| 6 | 109 | 2174.804 |
| 7 | 58 | 2451.966 |
| 8 | 163 | 2505.991 |
| 9 | 7 | 2631.011 |
| 10 | 174 | 3303.919 |
| 11 | 50 | 3567.428 |
| 12 | 33 | 3998.508 |
| 13 | 52 | 4422.552 |
| 14 | 118 | 4427.674 |
| 15 | 183 | 4746.861 |
| 16 | 53 | 5346.540 |
| 17 | 44 | 5358.311 |
| 18 | 191 | 5617.214 |
| 19 | 135 | 5847.389 |
| 20 | 182 | 7588.236 |
| 21 | 42 | 7820.966 |
| 22 | 189 | 8147.300 |
| 23 | 41 | 8280.541 |
| 24 | 140 | 9018.958 |
| 25 | 146 | 9735.349 |
| 26 | 23 | 9735.349 |
| 27 | 101 | 10176.672 |
| 28 | 87 | 10438.264 |
| 29 | 136 | 11973.700 |
| 30 | 124 | 27142.447 |
| 31 | 85 | 32061.956 |
| 32 | 149 | 33974.962 |
| 33 | 181 | 74126.234 |
| 34 | 18 | 213572.869 |