2016

CAMR at SemEval-2016 Task 8: An Extended Transition-based AMR Parser
Chuan Wang, Sameer Pradhan, Xiaoman Pan, Heng Ji, Nianwen Xue
Proceedings of SemEval, San Diego, 2016.
Best Performing Submission
CoNLL 2016 Shared Task on Multilingual Shallow Discourse Parsing
Nianwen Xue, Hwee Tou Ng, Sameer Pradhan, Attapol Rutherford, Bonnie Webber, Chuan Wang, Hongmin Wang
Proceedings of Computational Natural Language Learning Conference (CoNLL), Berlin, Germany, 2016.
My Science Tutor—Learning Science with a Conversational Virtual Tutor
Sameer Pradhan, Ron Cole, Wayne Ward
Proceedings of the Association of Computational Linguistics Conference, Berlin, Germany, 2016
Annotated Corpora and Annotation Tools
Massimo Poesio, and Sameer Pradhan, Marta Recasens, Kepa Rodriguez, Yannick Versley
Anaphora Resolution: Algorithms, Resources, and Applications, Eds. Poesio, Massimo Poesio, Roland, Stuckardt, Yannick Versley, Springer, Berlin, Heidelberg, 2016.
Evaluation Metrics
Xiaoqiang Luo, Sameer Pradhan
Anaphora Resolution: Algorithms, Resources, and Applications, Eds. Poesio, Massimo Poesio, Roland, Stuckardt, Yannick Versley. Springer, Berlin, Heidelberg, 2016.
Evaluation Campaigns
Marta Recasens, Sameer Pradhan
Anaphora Resolution: Algorithms, Resources, and Applications, Eds. Poesio, Massimo Poesio, Roland, Stuckardt, Yannick Versley. Springer, Berlin, Heidelberg, 2016.

2015

Bridging Sentential and Discourse-level Semantics through Clausal Adjuncts
Rashmi Prasad, Bonnie Webber, Alan Lee, Sameer Pradhan and Aravind Joshi
Proceedings of the LSD-SEM Workshop at EMNLP, Lisbon, Portugal, 2015
Boosting Transition-based AMR Parsing with Refined Actions and Auxiliary Analyzers
Chuan Wang, Nianwen Xue and Sameer Pradhan
Proceedings of the Association of Computational Linguistics (ACL), Beijing, China, July 2015
The CoNLL-2015 Shared Task on Shallow Discourse Parsing
Nianwen Xue, Hwee Tou Ng, Sameer Pradhan, Rashmi Prasad, Christopher Bryant and Attapol T. Rutherford
Proceedings of Computational Natural Language Learning (CoNLL), Beijing, China, July 2015
A Transition-based Algorithm for AMR Parsing
Chuan Wang, Nianwen Xue and Sameer Pradhan
Proceedings of the Human Language Technologies/North American Association of Com- putational Linguistics (HLT/NAACL), Denver, CO, June 2015
SemEval-2015 Task 14: Analysis of Clinical Text
No\'emie Elhadad, Sameer Pradhan, Sharon L. Gorman, Suresh Manandhar, Wendy Chapman and Guergana Savova
Proceedings of International workshop on Semantic Evaluation (SemEval), Denver, CO, June 2015
Evaluating the state of the art in disorder recognition and normalization of the clinical narrative
Sameer Pradhan, Noemie Elhadad, Brett R South, David Martinez, Lee Christensen, Amy Vogel, Hanna Suominen, Wendy W Chapman, and Guergana Savova.
Journal of American Medical Informatics Association (JAMIA) Volume 22, Issue 1, 143–154, January 2015

2014

Scoring Coreference Partitions of Predicted Mentions: A Reference Implemen- tation
Sameer Pradhan, Xiaoqiang Luo, Marta Recasens, Eduard Hovy, Vincent Ng, and Michael Strube
Proceedings of the Association of Computational Linguistics (ACL), Baltimore, MD, June 2014
An Extension of BLANC to System Mentions
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Xiaoqiang Luo, Sameer Pradhan, Marta Recasens, and Eduard Hovy
Proceedings of the Association of Computational Linguistics (ACL), Baltimore, MD, June 2014
Temporal Annotation in the Clinical Domain
William F. Styler, Steven Bethard an Sean Finan, Martha Palmer, Sameer Pradhan, Piet C de Groen, Brad Erickson, Timothy Miller, Chen Lin, Guergana Savova, and James Pustejovsky
Transactions of Computational Linguistics (TACL), 2 (April), 143–154, 2014
SemEval-2014, Task 7: Analysis of Clinical Text
Sameer Pradhan, Guergana Savova, Wendy Chapman, and Noemie Elhadad
Proceedings of the International Workshop on Semantic Evaluations (SemEval), Dublin, Ireland, 2014
Descending-Path Convolution Kernel for Syntactic Structures
Chen Lin, Timothy Miller, Alvin Kho, Steven Bethard, Dmitriy Dligach, Sameer Prad- han, Guergana Savova
Proceedings of the Association of Computational Linguistics (ACL), Baltimore, MD, June 2014

2013

Towards Robust Linguistic Analysis using OntoNotes [Data]

Sameer Pradhan, Alessandro Moschitti, Nianwen Xue, Hwee Tou Ng, Anders Björkelund, Olga Uryupina, Yuchen Zhang, Zhi Zhong
Proceedings of the Seventeenth Conference on Computational Natural Language
Learning, Sofia, Bulgaria, August 2013
Discovering Temporal Narrative Containers in Clinical Text
Timothy Miller, Steven Bethard, Dmitriy Dligach, Sameer Pradhan, Chen Lin, Guergana Savova
Proceedings of the 2013 Workshop on Biomedical Natural Language Processing, Sofia, Bulgaria, August 2013

2012

CoNLL-2012 Shared Task: Modeling Multilingual Unrestricted Coreference in OntoNotes
Sameer Pradhan, Alessandro Moschitti, Nianwen Xue, Olga Uryupina, and Yuchen Zhang.
Proceedings of the Sixteenth Conference on Computational Natural Language Learning: Shared Task, Jeju, Korea, July 2012
Semantic Parsing
Sameer Pradhan
Multilingual Natural Language Processing Applications: From Theory to Practice
Daniel Bikel and Imed Zitouni, editors.
IBM Press, May, 2012

2011

CoNLL-2011 Shared Task: Modeling Unrestricted Coreference in OntoNotes
Sameer Pradhan, Lance Ramshaw, Mitchell Marcus, Martha Palmer,
Ralph Weischedel, and Nianwen Xue.
Proceedings of the Fifteenth Conference on Computational Natural Language Learning: Shared Task, Portland, Oregon, June, 2011
OntoNotes: A Large Training Corpus for Enhanced Processing
Ralph Weischedel, Eduard Hovy, Mitchell Marcus, Martha Palmer, Robert Belvin,
Sameer Pradhan, Lance Ramshaw and Nianwen Xue
Handbook of Natural Language Processing and Machine Translation: DARPA Global Autonomous Language Exploitation.
Olive, Joseph; Christianson, Caitlin; McCary, John, editors
Springer, pp. 54--63, 2011.

2010

The Revised Arabic PropBank
Wajdi Zaghouani, Mona Diab, Aous Mansouri, Sameer Pradhan, Martha Palmer
Proceedings of the Fourth Linguistic Annotation Workshop
Uppsala, Sweden, pp. 222--226, 2010
SemEval-2010 Task 14: Word Sense Induction & Disambiguation
Suresh Manandhar; Ioannis Klapaftis; Dmitriy Dligach; Sameer Pradhan
Proceedings of the 5th International Workshop on Semantic Evaluation
Uppsala, Sweden, pp. 63--68, 2010.

2009

OntoNotes: The 90% Solution
Sameer Pradhan and Nianwen Xue
Tutorial presented at the Human Language Technology Conference, Boulder, CO, 2009.

2008

Towards Robust Semantic Role Labeling
Sameer Pradhan, Wayne Ward and James H. Martin
Computational Linguistics Special Issue on Semantic Role Labeling, Vol. 34, No. 2, pp. 289-310, 2008.

2007

OntoNotes: A Unified Relational Semantic Representation
Sameer Pradhan, Eduard Hovy, Mitch Marcus, Martha Palmer, Lance Ramshaw, Ralph Weischedel
invited paper, International Journal of Semantic Computing, Vol. 1, No. 4, pp. 405-419, 2007.
OntoNotes: A Unified Relational Semantic Representation
Sameer Pradhan, Eduard Hovy, Mitchell Marcus, Martha Palmer, Lance Ramshaw, Ralph Weischedel
in Proceedings of the IEEE International Conference on Semantic Computing (ICSC),
Irvine, CA, Sep. 17-19, 2007 [Best Paper Award]
Unrestricted Coreference: Identifying Entities and Events in OntoNotes
Sameer Pradhan, Lance Ramshaw, Ralph Weischedel, Jessica MacBride, Linnea Micciulla
in Proceedings of the IEEE International Conference on Semantic Computing (ICSC),
Irvine, CA, Sep. 17-19, 2007
Towards Robust Semantic Role Labeling
Sameer Pradhan, Wayne Ward, James H. Martin
in Proceedings of the Human Language Technologies (HLT/NAACL),
Rochester, NY, April 22-27, 2007

2006

Robust Semantic Role Labeling
Sameer Pradhan, PhD Thesis, University of Colorado at Boulder, CO, 2006.

2005

Support Vector Learning for Semantic Argument Classification
Sameer Pradhan, Kadri Hacioglu, Valerie Krugler, Wayne Ward, James H. Martin, Daniel Jurafsky
Machine Learning, Vol. 60, No. 1, pp. 11-39, 2005
Semantic Role Labeling Using Different Syntactic Views
Sameer Pradhan, Wayne Ward, Kadri Hacioglu, James H. Martin, Daniel Jurafsky
in Proceedings of the Association for Computational Linguistics 43rd annual meeting (ACL-2005),
Ann Arbor, MI, June 25-30, 2005
Semantic Role Chunking Combining Complementary Syntactic Views
Sameer Pradhan, Kadri Hacioglu, Wayne Ward, James H. Martin, Daniel Jurafsky
in Proceedings of the Ninth Conference on Computational Natural Language Learning (CoNLL-2005),
Ann Arbor, MI, June 29-30, 2005

2004

Shallow Semantic Parsing Using Support Vector Machines
Sameer Pradhan, Wayne Ward, Kadri Hacioglu, James H. Martin, Daniel Jurafsky
in Proceedings of the Human Language Technology Conference (HLT/NAACL-2004), Boston, MA, May 2-7, 2004
Parsing Arguments of Nominalizations in English and Chinese
Sameer Pradhan, Sun, H., Wayne Ward, James H. Martin, Daniel Jurafsky
in Proceedings of the Human Language Technology Conference(HLT/NAACL-2004),
Boston, MA, May 2-7, 2004
Mixing Weak Learners in Semantic Parsing
Rodney Nielsen and Sameer Pradhan
in Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP-2004),
Barcelona, Spain, July 25-26, 2004
Semantic Role Labeling by Tagging Syntactic Chunks
Kadri Hacioglu, Sameer Pradhan, Wayne Ward, James H. Martin, Daniel Jurafsky
in Proceedings of the Eighth Conference on Natural Language Learning (CONLL-2004),
Boston, MA, May 6-7, 2004

2003

Semantic Role Parsing: Adding Semantic Structure to Unstructured Text
Sameer Pradhan, Kadri Hacioglu, Wayne Ward, James H. Martin, Daniel Jurafsky
in Proceedings of the International Conference on Data Mining (ICDM-2003),
Melbourne, FL, Nov. 19-22, 2003

2002

Using Semantic Representations in Question Answering
Sameer Pradhan, Valerie Krugler, Wayne Ward, Daniel Jurafsky, James H. Martin in Proceedings of the International Conference on Natural Language Processing (ICON-2002),
Bombay, India, Dec. 2002, pp. 195-203
Estimating Semantic Confidence for Spoken Dialogue Systems
Sameer Pradhan and Wayne Ward
in Proceedings of the International Conference on Acoustic Speech and Signal Processing (ICASSP-2002),
Orlando, Florida, May 2002
Building a Foundation System for Producing Short Answers to Factual Questions
Sameer Pradhan, Gabriel Illouz, Sasha Blair-Goldensohn, Andrew Schlaikjer, Valerie Krugler, Elena Filatova,
Pablo Duboue, Hong Yu, Rebecca Passonneau, Steven Bethard, Vasilis Hatzivassiloglou, Wayne Ward,
Daniel Jurafsky, Kathy McKeown, James H. Martin
in Proceedings of Text REtrieval Conference (TREC),
Gaithersburg, MD, Nov. 19-22, 2002

< 2002

University of Colorado Dialog Systems for Travel and Navigation
Bryan Pellom, Wayne Ward, John Hansen, Kadri Hacioglu, Jianping Zhang, Xiuyang Yu, Sameer Pradhan
in Proceedings of the Human Language Technology Conference (HLT-2001),
San Diego, March 2001
User-Centered Agents for Structured Information Location
Xindong Wu, Daniel Ngu, Sameer Pradhan
Electronic Commerce Agents, Marketplace Solutions, Security Issues, and Supply and Demand
Lecture Notes in Computer Science, Vol. 2033, Springer 2001, 323-331.
The CU Communicator: An Architecture for Dialogue Systems
Bryan Pellom, Wayne Ward, and Sameer Pradhan
Proceedings of the sixth International Conference on Spoken Language Processing, October 2000.
Virtual Manufacturing Information System Using Java and JDBC
Sameer Pradhan, and Wilfred Huang
Proceedings of the twenty-third International Conference on Computers and Industrial Engineering, 1997, 255-258.