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 Evaluating Search Engines in chapter 8 of the book Search Engines Information Retrieval in Practice....

Evaluating Search Engines in chapter 8 of the book Search Engines Information Retrieval in Practice http://net.pku.edu.cn/~course/cs410/2011/ Hongfei Yan School of EECS,…

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…

Documents net.pku/~course/cs410/2011/ Hongfei Yan School of EECS, Peking University 3/28/2011

Evaluating Search Engines in chapter 8 of the book Search Engines Information Retrieval in Practice http://net.pku.edu.cn/~course/cs410/2011/ Hongfei Yan School of EECS,…