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Okapi
Results: 193

#	Item
111	R Foundations and Trends in Information Retrieval Vol. 3, No[removed]–331 c 2009 T.-Y. Liu Add to Reading List Source URL: didawiki.cli.di.unipi.it Language: English - Date: 2013-12-06 03:47:18 Okapi BM25 Tf*idf Vector space model PageRank IR evaluation Document retrieval Language model Latent semantic indexing Ranking function Information science Information retrieval Learning to rank
112	York University at TRECVID[removed]Jun Miao1 , Xiangji Huang1 , Qinmin Hu1 Information Retrieval and Knowledge Managment Lab, York University, Toronto, Canada [removed], [removed], [removed] Add to Reading List Source URL: www-nlpir.nist.gov Language: English - Date: 2011-03-04 14:18:54 Relevance feedback Vector space model Query expansion Search engine indexing Relevance Document retrieval Precision and recall Okapi BM25 Ranking function Information science Information retrieval Tf*idf
113	Range-wide okapi conservation Ensuring a future for the Congo’s elusive forest giraffe ZSL Conservation Optional text placed here over the photo. Ensure that the text can be read based on the photo’s background colou Add to Reading List Source URL: static.zsl.org Language: English - Date: 2012-08-23 10:54:29 Even-toed ungulates Okapi Virunga National Park Whipsnade Zoo Democratic Republic of the Congo London Zoo Fauna of Africa Giraffes Africa
114	University of Glasgow (UoG_TwTeam) at TREC Microblog 2013 Jesus A. Rodriguez Perez, Andrew J. McMinn, and Joemon M. Jose {j.rodriguez-perez.1, a.mcminn.1}@research.gla.ac.uk, [removed] School of Computing Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:27 Query expansion Relevance feedback Tf*idf Okapi BM25 Text Retrieval Conference Relevance Precision and recall Document retrieval Language model Information science Information retrieval Science
115	Tie-breaker: A New Perspective of Ranking and Evaluation for Microblog Retrieval Yue Wang, Jerry Darko, and Hui Fang Department of Electrical and Computer Engineering University of Delaware 140 Evans Hall, Newark, Delawa Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:27 Query expansion Relevance feedback Tf*idf Relevance Twitter Information science Information retrieval Okapi BM25
116	How Fresh Do You Want Your Search Results? Shiwen Cheng, Anastasios Arvanitis, Vagelis Hristidis Department of Computer Science & Engineering University of California, Riverside, California, USA {schen064, tasos, vageli Add to Reading List Source URL: www.cs.ucr.edu Language: English - Date: 2013-07-30 00:18:35 Learning to rank Web query classification Web search query Okapi BM25 Discounted cumulative gain Relevance Google Search Search engine indexing Document retrieval Information science Information retrieval Ranking function
117	ICTNET at Web Track 2013 Yuanhai Xue1, 2, Xiaoming Yu1, Feng Guan1, 2, Yue Liu1, Xueqi Cheng1 1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing, [removed]University of Chinese Academy of Science Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:26 Natural language processing Okapi BM25 Ranking function BM25 Spam Search engine indexing Google Search Anchor text Text Retrieval Conference Information science Information retrieval Internet search engines
118	University of Waterloo at the TREC 2013 Temporal Summarization Track Gaurav Baruah1 , Rakesh Guttikonda1 , Adam Roegiest1 and Olga Vechtomova2 1 David R. Cheriton School of Computer Science, University of Waterloo Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:27 Query expansion Relevance feedback Tf*idf Ranking function Relevance Okapi BM25 Query likelihood model Search engine indexing Document retrieval Information science Information retrieval Science
119	ICTNET at Federated Web Search Track 2013 Feng Guan1,2,Yuanhai Xue1,2, Xiaoming Yu1, Yue Liu1, Xueqi Cheng1 1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing, [removed]University of Chinese Acad Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:26 Google Search Federated search Web search engine Video search engine Okapi BM25 Learning to rank Information science Information retrieval Search engine
120	PKUICST at TREC 2013 Microblog Track ∗ Runwei Qiang Yue Fei Yihong Hong Jianwu Yang {qiangrw, feiyue, hongyihong, yangjw}@pku.edu.cn Institute of Computer Science and Technology Add to Reading List Source URL: trec.nist.gov Language: English - Date: 2014-02-28 12:39:27 Vector space model Learning to rank Tf*idf Relevance Query expansion Twitter Language model Ranking function Search engine indexing Information science Information retrieval Okapi BM25

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