"Tuning": Error Optimisation in Ad-Hoc Retrieval

author: Hugo Zaragoza, Yahoo! Research, Yahoo!

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*Slides*
0:00	'Tuning': Error Optimisation in Ad-Hoc Retrieval
2:24	Machine Learning intro.
4:49	Machine Learning intro.
5:54	Machine Learning intro.
10:07	'Ranking' issues
12:21	Learning Web Ranking Functions
13:13	“ Ranking” problem
15:41	Example (Topic Distillation, TREC’ 04)
17:21	Pair-wise error measures
20:30	Example (Topic Distillation, TREC’ 04)
20:56	Pair-wise for NDCG: does it work?
21:41	Pair-wise for NDCG: does it work?
22:47	Pair-wise for NDCG: does it work?

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