Documents Chapter 8

No Slide Title NDCG Example Perfect ranking for which each relevance level is on the scale 0-3: 3, 3, 3, 2, 2, 2, 1, 0, 0, 0 Ideal DCG values: 3, 6, 7.89, 8.89, 9.75, 10.52,…

Documents Evaluation

* Evaluation Rong Jin * Evaluation Evaluation is key to building effective and efficient search engines usually carried out in controlled experiments online testing can also…