Page History

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Model	MAP	NDCG	P@20	NDCG@20	P@100	NDCG@100	Notes	Date
QL (Dir)	0.2976+	0.5656+	0.5643	0.5004	0.4119	0.457		5/15/17
QL (Dir)	0.2853	0.5304	0.5667	0.5054	0.3986	0.4541	Sweep mu	5/15/17
RM3	0.2846	0.5381	0.5738	0.5054	0.4157	0.4710	Sweep mu, fbDocs, fbTerms, and lambda	5/15/17
RM3	0.2846	0.5395	0.5619	0.5072	0.4157	0.4710	Sweep mu, fbDocs, fbTerms, and lambda	5/16/17
RM3 (stopped)	0.30232948	0.54715834	0.54765571	0.50645004	0.38863805	0.4634599	Sweep mu, fbDocs, fbTerms, and lambda	5/17/17
RM3 (stopped)	0.3023	0.5483	0.5738	0.5118	0.3905	0.4626	Sweep mu, fbDocs, fbTerms, and lambda	5/16/17
Pubmed	0.2945	0.5998+	0.5190	0.4759	0.4190	0.4607	Use mu=2500 for pubmed query sweeping fbDocs, fbTerms, and lambda. Sweep mu for final retrieval.	5/15/17
Wikipedia	0.3051	0.5894+	0.5619	0.4821	0.3948	0.4613	Use mu=2500 for wikipedia query sweeping fbDocs, fbTerms, and lambda. Sweep mu for final retrieval.	5/15/17
SDM	0.2874	0.5558	0.4833	0.4706	0.4019	0.4559	Sweep mu, w1, w2, w3	5/16/17
FDM	0.293	0.5594+	0.5500	0.4960	0.3933	0.4560	Sweep mu, w1, w2, w3	5/8/17
OKAPI Exp	0.30113250	0.51065849	0.50715857	0.45524894	0.38714238	0.43754783	OKAPI expansion assuming k1=1 and k3=1, for now	5/17/17

+ indicates significant improvement over QL (Dir) baselines (p < 0.05)

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Model	MAP	NDCG	P@20	NDCG@20	P@100	NDCG@100	Notes	Date
Dir (Krovetz)	0.2959+	0.5443+	0.5905+	0.5150	0.4124+	0.4655	+ means significant improvement of Dir (unstemmed)	5/15/17
RM3 (krovetz)	0.28583029	0.55925734	0.5643	0.49994714	0.39524033	0.46054753		5/17/17
Pubmed (Krovetz)	0.3285+	0.6008+	0.5667	0.4821	0.4333+	0.4627	+ means improvement of Dir (krovetz)

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