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Note: Links lead to the DBLP on the Web. ChengXiang Zhai ChengXiang Zhai, John D. Lafferty : A risk minimization framework for information retrieval. Inf. Process. Manage. 42 (1): 31-55 (2006) Tao Tao , Xuanhui Wang , Qiaozhu Mei , ChengXiang Zhai: Accurate language model estimation with document expansion. CIKM 2005 : 273-274 Jing Jiang , ChengXiang Zhai: Accurately extracting coherent relevant passages using hidden Markov models. CIKM 2005 : 289-290 Xuehua Shen , Bin Tan , ChengXiang Zhai: Implicit user modeling for personalized search. CIKM 2005 : 824-831 Qiaozhu Mei , ChengXiang Zhai: Discovering evolutionary theme patterns from text: an exploration of temporal text mining. KDD 2005 : 198-207 Tao Tao , ChengXiang Zhai: Mining comparable bilingual text corpora for cross-language information integration. KDD 2005 : 691-696 Xuehua Shen , Bin Tan , ChengXiang Zhai: Context-sensitive information retrieval using implicit feedback. SIGIR 2005 : 43-50 Hui Fang , ChengXiang Zhai: An exploration of axiomatic approaches to information retrieval. SIGIR 2005 : 480-487 Xuehua Shen , ChengXiang Zhai: Active feedback in ad hoc information retrieval. SIGIR 2005 : 59-66 Xuehua Shen , Bin Tan , ChengXiang Zhai: UCAIR: a personalized search toolbar. SIGIR 2005 : 681 David Grossman , Luis Gravano , ChengXiang Zhai, Otthein Herzog , David A. Evans : Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004 ACM 2004 Hui Fang , ChengXiang Zhai, Lei Liu , Jiong Yang : Subspace Clustering for Microarray Data Analysis: Multiple Criteria and Significance Assessment. CSB 2004 : 582-583 Atulya Velivelli , ChengXiang Zhai, Thomas S. Huang : Audio segment retrieval using a short duration example query. ICME 2004 : 1603-1606 ChengXiang Zhai, Atulya Velivelli , Bei Yu : A cross-collection mixture model for comparative text mining. KDD 2004 : 743-748 Tao Tao , ChengXiang Zhai: A two-stage mixture model for pseudo feedback. SIGIR 2004 : 486-487 Hui Fang , Tao Tao , ChengXiang Zhai: A formal study of information retrieval heuristics. SIGIR 2004 : 49-56 Smitha Sriram , Xuehua Shen , ChengXiang Zhai: A session-based search engine. SIGIR 2004 : 492-493 Xuehua Shen , Smitha Sriram , ChengXiang Zhai: ACES: a contextual engine for search. SIGIR 2004 : 597 ChengXiang Zhai, John D. Lafferty : A study of smoothing methods for language models applied to information retrieval. ACM Trans. Inf. Syst. 22 (2): 179-214 (2004) Xinghua Lu , Chengxiang Zhai, Vanathi Gopalakrishnan , Bruce G. Buchanan : Automatic annotation of protein motif function with Gene Ontology terms. BMC Bioinformatics 5 : 122 (2004) Hwanjo Yu , ChengXiang Zhai, Jiawei Han : Text classification from positive and unlabeled documents. CIKM 2003 : 232-239 Rong Jin , Luo Si , ChengXiang Zhai, James P. Callan : Collaborative filtering with decoupled models for preferences and ratings. CIKM 2003 : 309-316 ChengXiang Zhai, William W. Cohen , John D. Lafferty : Beyond independent relevance: methods and evaluation metrics for subtopic retrieval. SIGIR 2003 : 10-17 Xuehua Shen , ChengXiang Zhai: Exploiting query history for document ranking in interactive information retrieval. SIGIR 2003 : 377-378 Xiao Hu , Sindhura Bandhakavi , ChengXiang Zhai: Error analysis of difficult TREC topics. SIGIR 2003 : 407-408 Xuehua Shen , ChengXiang Zhai: Active Feedback - UIUC TREC-2003 HARD Experiments. TREC 2003 : 662-666 ChengXiang Zhai, Tao Tao , Hui Fang , Zhidi Shang : Improving the Robustness of Language Models - UIUC TREC 2003 Robust and Genomics Experiments. TREC 2003 : 667-672 Azadeh Shakery , ChengXiang Zhai: Relevance Propagation for Topic Distillation UIUC TREC 2003 Web Track Experiments. TREC 2003 : 673-677 Rong Jin , Luo Si , ChengXiang Zhai: Preference-based Graphic Models for Collaborative Filtering. UAI 2003 : 329-336 Robert McCann , AnHai Doan , Vanitha Varadaran , Alexander Kramnik , ChengXiang Zhai: Building Data Integration Systems: A Mass Collaboration Approach. WebDB 2003 : 25-30 James Allan , Jay Aslam , Nicholas J. Belkin , Chris Buckley , James P. Callan , W. Bruce Croft , Susan T. Dumais , Norbert Fuhr , Donna Harman , David J. Harper , Djoerd Hiemstra , Thomas Hofmann , Eduard H. Hovy , Wessel Kraaij , John D. Lafferty , Victor Lavrenko , David D. Lewis , Liz Liddy , R. Manmatha , Andrew McCallum , Jay M. Ponte , John M. Prager , Dragomir R. Radev , Philip Resnik , Stephen E. Robertson , Ronald Rosenfeld , Salim Roukos , Mark Sanderson , Rich Schwartz , Amit Singhal , Alan F. Smeaton , Howard R. Turtle , Ellen M. Voorhees , Ralph M. Weischedel , Jinxi Xu , ChengXiang Zhai: Challenges in information retrieval and language modeling: report of a workshop held at the center for intelligent information retrieval, University of Massachusetts Amherst, September 2002. SIGIR Forum 37 (1): 31-47 (2003) Rong Jin , Alexander G. Hauptmann , ChengXiang Zhai: Title language model for information retrieval. SIGIR 2002 : 42-48 ChengXiang Zhai, John D. Lafferty : Two-stage language models for information retrieval. SIGIR 2002 : 49-56 ChengXiang Zhai: Risk minimization and language modeling in text retrieval dissertation abstract. SIGIR Forum 36 (2): 100-101 (2002) Marianne Winslett , Kevin Chen-Chuan Chang , AnHai Doan , Jiawei Han , ChengXiang Zhai, Yuanyuan Zhou : Database Research at the University of Illinois at Urbana-Champaign. SIGMOD Record 31 (3): 97-102 (2002) ChengXiang Zhai, John D. Lafferty : Model-based Feedback in the Language Modeling Approach to Information Retrieval. CIKM 2001 : 403-410 John D. Lafferty , ChengXiang Zhai: Document Language Models, Query Models, and Risk Minimization for Information Retrieval. SIGIR 2001 : 111-119 ChengXiang Zhai, John D. Lafferty : A Study of Smoothing Methods for Language Models Applied to Ad Hoc Information Retrieval. SIGIR 2001 : 334-342 ChengXiang Zhai, Peter Jansen , David A. Evans : Exploration of a heuristic approach to threshold learning in adaptive filtering. SIGIR 2000 : 360-362 David A. Evans , Jeffrey Bennett , Xiang Tong , Alison Huettner , ChengXiang Zhai, Emilia Stoica : CLARIT TREC-8 Manual Ad-Hoc Experiments. TREC 1999 ChengXiang Zhai, Peter Jansen , Norbert Roma , Emilia Stoica , David A. Evans : Optimization in CLARIT TREC-8 Adaptive Filtering. TREC 1999 ChengXiang Zhai, Peter Jansen , Emilia Stoica , Norbert Grot , David A. Evans : Threshold Calibration in CLARIT Adaptive Filtering. TREC 1998 : 96-103 ChengXiang Zhai: Fast Statistical Parsing of Noun Phrases for Document Indexing. ANLP 1997 : 312-319 ChengXiang Zhai: Exploiting Context to Identify Lexical Atoms - A Statistical View of Linguistic Context CoRR cmp-lg/9701001 : (1997) ChengXiang Zhai: Fast Statistical Parsing of Noun Phrases for Document Indexing CoRR cmp-lg/9702009 : (1997) David A. Evans , ChengXiang Zhai: Noun-Phrase Analysis in Unrestricted Text for Information Retrieval. ACL 1996 : 17-24 Natasa Milic-Frayling , David A. Evans , Xiang Tong , ChengXiang Zhai: CLARIT Compound Queries and Constraint-Controlled Feedback in TREC-5 Ad-Hoc Experiments. TREC 1996 Xiang Tong , ChengXiang Zhai, Natasa Milic-Frayling , David A. Evans : Evaluation of Syntactic Phrase Indexing -- CLARIT NLP Track Report. TREC 1996 Xiang Tong , ChengXiang Zhai, Natasa Milic-Frayling , David A. Evans : Experiments on Chinese Text Indexing -- CLARIT TREC-5 Chinese Track Report. TREC 1996 Xiang Tong , ChengXiang Zhai, Natasa Milic-Frayling , David A. Evans : OCR Correction and Query Expansion for Retrieval on OCR Data -- CLARIT TREC-5 Confusion Track Report. TREC 1996 David A. Evans , ChengXiang Zhai: Noun-Phrase Analysis in Unrestricted Text for Information Retrieval CoRR cmp-lg/9605019 : (1996) Natasa Milic-Frayling , M. P. Mastroianni , David A. Evans , Robert G. Lefferts , ChengXiang Zhai, Xiang Tong : CLARIT TREC-4 Interactive Experiments. TREC 1995 ChengXiang Zhai: Preliminary ideas of a conceptual programming language. 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