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"Tuning": Error Optimisation in Ad-Hoc Retrieval
Published on Feb 25, 20073114 Views
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Chapter list
'Tuning': Error Optimisation in Ad-Hoc Retrieval00:00
Machine Learning intro.02:24
Machine Learning intro.04:49
Machine Learning intro.05:54
'Ranking' issues10:07
Learning Web Ranking Functions12:21
“ Ranking” problem13:13
Example (Topic Distillation, TREC’ 04)15:41
Pair-wise error measures17:21
Example (Topic Distillation, TREC’ 04)20:30
Pair-wise for NDCG: does it work?20:56
Pair-wise for NDCG: does it work?21:41
Pair-wise for NDCG: does it work?22:47