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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 17 of 17 1 COIL: Revisit Exact Lexical Match in Information Retrieval with Contextualized Inverted List ... Gao, Luyu; Dai, Zhuyun; Callan, Jamie. - : arXiv, 2021 BASE Show details 2 COIL: Revisit Exact Lexical Match in Information Retrieval with Contextualized Inverted List ... NAACL 2021 2021; Callan , Jamie; Dai, Zhuyun. - : Underline Science Inc., 2021 BASE Show details 3 Complementing Lexical Retrieval with Semantic Residual Embedding ... Gao, Luyu; Dai, Zhuyun; Chen, Tongfei. - : arXiv, 2020 BASE Show details 4 Sifaka: Text Mining Above a Search API ... VandenBerg, Cameron; Callan, Jamie. - : arXiv, 2018 BASE Show details 5 Towards a Simple and Efficient Web Search Framework Xu, Di; Callan, Jamie In: DTIC (2014) BASE Show details 6 Modelling Psychological Needs for User-dependent Contextual Suggestion Xu, Di; Callan, Jamie In: DTIC (2014) BASE Show details 7 Frontiers, Challenges, and Opportunities for Information Retrieval – Report from SWIRL 2012, The Second Strategic Workshop on Information Retrieval in Lorne Kelly, Diane; Clarke, Charles L.A.; Moffat, Alistair. - : KTH, Teoretisk datalogi, TCS, 2012. : ACM, 2012 BASE Show details 8 Overcoming Vocabulary Limitations in Twitter Microblogs Kim, Yubin; Yeniterzi, Reyyan; Callan, Jamie In: DTIC (2012) Abstract: One major di culty in performing ad-hoc search on microblogs such as Twitter is the limited vocabulary of each document due their short length. In this paper, two approaches to addressing this issue are presented. The rst is query expansion through pseudo-relevance feedback and the other is document expansion of tweets using web documents linked from the body of the tweet. Tweets are expanded by concatenating the contents of the title tag and the meta descriptor tags of the document to the tweet itself. These two approaches gave additive gains in MAP and Precision at 30. ; Presented at the Twenty-First Text REtrieval Conference (TREC 2012) held in Gaithersburg, Maryland, November 6-9, 2012. The conference was co-sponsored by the National Institute of Standards and Technology (NIST) the Defense Advanced Research Projects Agency (DARPA) and the Advanced Research and Development Activity (ARDA). U.S. Government or Federal Rights License Keyword: *INTERNET; *VOCABULARY; ADDRESSING; Computer Programming and Software; Linguistics; LINKAGES; SEARCHING URL: http://www.dtic.mil/docs/citations/ADA576841 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA576841 BASE Hide details 9 Entity List Completion Using Set Expansion Techniques Dalvi, Bhavana; Callan, Jamie; Cohen, William In: DTIC (2011) BASE Show details 10 Formulating Simple Structured Queries using Temporal and Distributional Cues in Patents Zhao, Le; Callan, Jamie In: DTIC (2009) BASE Show details 11 An effective and efficient results merging strategy for multilingual information retrieval in federated search environments Si, Luo; Callan, Jamie; Cetintas, Suleyman... In: Information Retrieval Journal. - Dordrecht [u.a.] : Springer Science + Business Media B.V. 11 (2008) 1, 1-24 BLLDB Show details 12 Full-text federated search of text-based digital libraries in peer-to-peer networks Lu, Jie; Callan, Jamie In: Information Retrieval Journal. - Dordrecht [u.a.] : Springer Science + Business Media B.V. 9 (2006) 4, 477-498 BLLDB Show details 13 Challenges in Information Retrieval and Language Modeling Aslam, Jay; Belkin, Nichols; Buckley, Chris... In: R. Manmatha (2003) BASE Show details 14 Challenges in Information Retrieval and Language Modeling Aslam, Jay; Belkin, Nichols; Buckley, Chris... In: Andrew McCallum (2003) BASE Show details 15 YFilter at TREC-9 Yi, Zhang; Callan, Jamie In: DTIC (2000) BASE Show details 16 INQUERY and TREC-8 Allan, James; Callan, Jamie; Feng, Fang-Fang... In: DTIC (1999) BASE Show details 17 Improving Efficiency of Indexing by Using a Hierarchical Merge Approach Du, Aiqun; Callan, Jamie In: DTIC (1998) BASE Show details

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