Research / Publications

Journal Articles and Book Chapters

Daniel Albright, Arrick Lanfranchi, Anwen Fredriksen, William F Styler IV, Colin Warner, Jena D Hwang, Jinho D Choi, Dmitriy Dligach, Rodney D Nielsen, James Martin, Wayne Ward, Martha Palmer, Guergana K Savova. (2013). Annotating a clinical narrative corpus. In Journal of the American Medical Informatics Association (JAMIA). BMJ.

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2009). Recognizing entailment in intelligent tutoring systems. In Ido Dagan, Bill Dolan, Bernardo Magnini and Dan Roth (Eds.): The Journal of Natural Language Engineering, (JNLE), 15, pp 479-501. Copyright Cambridge University Press, Cambridge, United Kingdom.

Rodney D. Nielsen, Kristy Boyer, Michael Heilman, Chin-Yew Lin, Juan Pino, and Amanda Stent. (2009). Evaluating question generation: Methodologies and performance metrics. In Vasile Rus and Art Graesser (Eds.) The Question Generation Shared Task and Evaluation Challenge. ISBN: 978-0-615-27428-7

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2008). Soft computing in intelligent tutoring systems and educational assessment. In Bhanu Prasad (Ed.): Soft Computing Applications in Business, pp 201-230. Published by Springer-Verlag, Heidelberg, Germany.

Conference and Workshop Proceedings

Natalie Parde and Rodney D. Nielsen. Finding Patterns in Noisy Crowds: Regression-based Annotation Aggregation for Crowdsourced Data. To appear in the Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP). Copenhagen, Denmark, September 7-11, 2017.

Krishna Sanagavarapu, Alakananda Vempala and Eduardo Blanco. 2017. Determining Whether and When People Participate in the Events They Tweet About. To appear in the Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (ACL), Short Papers. Vancouver, Canada.

Florin Adrian Bulgarov and Rodney D. Nielsen. 2017. Minimal Meaningful Propositions Alignment in Student Response Comparisons. In Artificial Intelligence in Education (AIED 2017). Lecture Notes in Computer Science, vol 10331. Springer, Cham.

Nabila Salma, Bin Mai, Kamesh Namuduri, Rasel Mamun, Yassir Hashem, Hassan Takabi, Natalie Parde, and Rodney Nielsen. Using EEG Signal to Analyze IS Decision Making Cognitive Processes. To appear in Information Systems and Neuroscience, Lecture Notes in Information Systems and Organisation.

Masoud Narouei, Hamed Khanpour, Hassan Takabi, Rodney Nielsen and Natalie Parde. Towards a Top-down Policy Engineering Framework for Attribute-based Access Control. In Proceedings of the 22nd ACM Symposium on Access Control Models and Technologies. Indianapolis, Indiana, June 21-23, 2017.

Natalie Parde and Rodney D. Nielsen. #SarcasmDetection is soooo general! Towards a Domain-Independent Approach for Detecting Sarcasm. In Proceedings of the 30th International FLAIRS Conference (FLAIRS). Marco Island, Florida, May 22-24, 2017.

Zahra Sarabi and Eduardo Blanco. 2017. If No Media Were Allowed inside the Venue, Was Anybody Allowed? In Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics (EACL). Valencia, Spain.

Andreea Godea, Florin Adrian Bulgarov, and Rodney D. Nielsen. 2016. Automatic Generation and Classification of Minimal Meaningful Propositions in Educational Systems. In Proceedings of the 2016 International Conference on Computational Linguistics (COLING). Osaka, Japan.

Hamed Khanpour, Nishitha Guntakandla, and Rodney D. Nielsen. 2016. Dialogue Act Classification in Domain-Independent Conversations Using a Deep Recurrent Neural Network. In Proceedings of the 2016 International Conference on Computational Linguistics (COLING). Osaka, Japan.

Jordan Sanders and Eduardo Blanco. 2016. Automatic Extraction of Implicit Interpretations from Modal Constructions. In Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP). Austin, TX, USA.

Zahra Sarabi and Eduardo Blanco. 2016. Understanding Negation in Positive Terms Using Syntactic Dependencies. In Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP). Austin, TX, USA.

Alakananda Vempala and Eduardo Blanco. 2016. Beyond Plain Spatial Knowledge: Determining Where Entities Are and Are Not Located, and For How Long. In Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (ACL). Berlin, Germany.

Eduardo Blanco and Zahra Sarabi. 2016. Automatic Generation and Scoring of Positive Interpretations from Negated Statements. In Proceeding of the 15th Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL). San Diego, CA, USA.

Alakananda Vempala and Eduardo Blanco. 2016. Annotating Temporally-Anchored Spatial Knowledge on Top of OntoNotes Semantic Roles. In Proceedings of the Tenth International Conference on Language Resources and Evaluation (LREC). Portoroz, Slovenia.

Alakananda Vempala and Eduardo Blanco. 2016. Complementing Semantic Roles with Temporally-Anchored Spatial Knowledge: Crowdsourced Annotations and Experiments. In Proceedings of the 30th AAAI Conference on Artificial Intelligence (AAAI). Phoenix, AZ, USA.

Hansen A. Schwartz, Maarten Sap, Margaret L. Kern, Johannes C. Eichstaedt, Adam Kapelner, Megha Agrawal, Eduardo Blanco, Lukasz Dziurzynski, Gregory Park, David Stillwell, Michal Kosinski, Martin E.P. Seligman and Lyle H. Ungar. 2016. Predicting Individual Well-Being Through the Language of Social Media. In Proceedings of the Pacific Symposium on Biocomputing (PSB). Hawaii, HI, USA.

Natalie Parde, Adam Hair, Michalis Papakostas, Konstantinos Tsiakas, Maria Dagioglou, Vangelis Karkaletsis, and Rodney D. Nielsen. Grounding the Meaning of Words through Vision and Interactive Gameplay. In Proceedings of the 2015 International Joint Conference on Artificial Intelligence (IJCAI), Buenos Aires, Argentina, July 25-31, 2015.

Karen Mazidi and Rodney D. Nielsen. (2015). Leveraging multiple views of text for automatic question generation. In Proceedings of the Seventeenth International Conference on Artificial Intelligence in Education (AIED 2015), pp 257-266. Madrid, Spain, June 22-26, 2015.

Eduardo Blanco and Alakananda Vempala. 2015. Inferring Temporally-Anchored Spatial Knowledge from Semantic Roles. In Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL). Denver, CO, USA.

Nishitha Guntakandla and Rodney D. Nielsen. (2015). Modeling Turn-Taking in Human Conversations. In Proceedings of the Association for the Advancement of Artificial Intelligence Spring Symposium Series on Turn Taking, (AAAI SSS-15), pp 17-22. Stanford University, Palo Alto, California, March 23-25, 2015. Published by the Association for the Advancement of Artificial Intelligence, (AAAI Press), Menlo Park, California.

Natalie Parde, Michalis Papakostas, Konstantinos Tsiakas, and Rodney D. Nielsen. "Is It Rectangular?" Using I Spy as an Interactive, Game-Based Approach to Multimodal Robot Learning. In Proceedings of the AAAI-15 Conference on Artificial Intelligence Student Program, Austin, Texas, January 25-30, 2015.

Natalie Parde, Michalis Papakostas, Konstantinos Tsiakas, Maria Dagioglou, Vangelis Karkaletsis, and Rodney D. Nielsen. I Spy: An Interactive Game-Based Approach to Multimodal Robot Learning. In Proceedings of the AAAI-15 Workshop on Knowledge, Skill, and Behavior Transfer in Autonomous Robots, Austin, Texas, January 25, 2015.

John Wes Solomon and Rodney D. Nielsen. (2014). Predicting changes in systolic blood pressure in longitudinal patient records. In the Proceedings of the AMIA 2014 Informatics for Integrating Biology and the Bedside (i2b2) workshop on Challenges in Natural Language Processing for Clinical Data. Washington, D.C., USA, November 14, 2014.

Amir H. Kargar B., Ali Mollahosseini, Taylor Struemph, Wilson Pace, Rodney D. Nielsen and Mohammad H. Mahoor. (2014) Automatic measurement of physical mobility in get-up-and-go test using Kinect sensor. In the Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'14). Chicago, Illinois, USA, August 26-30, 2014.

Xiao Zhang, Ali Mollahosseini, Amir H. Kargar B., Evan Boucher, Richard M. Voyles, Rodney D. Nielsen and Mohammad H. Mahoor. (2014). eBear: An Emotive Bear-Like Robot. In the Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication (IEEE RO-MAN 2014). Edinburgh, Scotland, United Kingdom, August 25-29, 2014.

Karen Mazidi and Rodney D. Nielsen. (2014). Linguistic Considerations in Automatic Question Generation. In the Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (ACL 2014), pp 321-326. Baltimore, Maryland, USA, June 23-27, 2014. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Ruth Wylie, Michelene T.H. Chi, Robert Talbot, Erik Dutilly, Susan Tricket, Brandon Helding, and Rodney D. Nielsen. (2014). Comprehension SEEDING: Providing Real-Time Formative Assessment to Enhance Classroom Discussion. In Proceedings of the 11th International Conference of the Learning Sciences (ICLS 2014). Boulder, Colorado, USA, June 23-27, 2014.

Frank Paiva, James Glenn, Karen Mazidi, Robert Talbot, Ruth Wylie, Michelene TH Chi, Erik Dutilly, Brandon Helding, Mingyu Lin, Susan Trickett, Rodney D Nielsen. (2014). Comprehension SEEDING: Comprehension through Self Explanation, Enhanced Discussion, and INquiry Generation. Intelligent Tutoring Systems, 2014.

Paiva, Frank, and Rodney D. Nielsen. Clustering Constructed Responses for Formative Assessment in Comprehension SEEDING. Intelligent Tutoring Systems. Springer International Publishing, 2014.

Wylie, R., Helding, B., Talbot, R., Chi, M. T., Trickett, S., & Nielsen, R. D. Using Log Data to Predict Response Behaviors in Classroom Discussions. Intelligent Tutoring Systems. Springer International Publishing, 2014.

Karen Mazidi and Rodney D. Nielsen. Pedagogical Evaluation of Automatically Generated Questions. LNCS Intelligent Tutoring Systems 2014. In Press.

Natalie Parde and Rodney D. Nielsen. (2014). Design Challenges and Recommendations for Multi-Agent Learning Systems Featuring Teachable Agents. In Proceedings of the 2nd Annual GIFT Users Symposium (GIFTSym2). Pittsburgh, Pennsylvania, June 12-13, 2014.

Sarma, Bandita, Amitava Das, and Rodney D. Nielsen. A Framework for Health Behavior Change using Companionable Robots. 2014.

Rodney D. Nielsen. (2012). Fine-Grained Learner Modeling. Abstract and presentation at The ARL-IIS Learner Modeling Techniques Advisory Board Meeting. Memphis, TN, September 9- 12, 2012.

Myroslava Dzikovska, Rodney D. Nielsen, and Chris Brew. (2012). Towards effective tutorial feedback for explanation questions: A dataset and baselines. In Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, (NAACL HLT 2012), Montreal, Quebec, Canada, June 3-8, 2012. The Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Rodney D. Nielsen. (2011) The Multi-source Integrated Platform for Answering Clinical Questions (MiPACQ). Abstract and presentation at Advances in Clinical Question Answering: Watson meets Healthcare, John Hurdle and Guergana Savova moderators, American Medical Informatics Association Annual Symposium (AMIA 2011). October 22-26, 2011. Washington D.C.

Rodney D. Nielsen, James Martin, James Masanz, Martha Palmr, Wayne Ward, and Guergana K. Savova. (Submitted). Beyond QA: Collaborative Dialogue for Clinical Research Discovery. American Medical Informatics Association Annual Symposium (AMIA 2011). October 22-26, 2011. Washington D.C.

Brian L. Cairns, Rodney D. Nielsen, James J. Masanz, James H. Martin, Martha S. Palmer, Wayne H. Ward, and Guergana K. Savova. (2011). The MiPACQ Clinical Question Answering System. American Medical Informatics Association Annual Symposium (AMIA 2011). October 22-26, 2011. Washington D.C.

Heather D. Anderson, Wilson D. Pace, Elias Brandt, Rodney D. Nielsen, David R. West, Richard R. Allen, Anne M. Libby, and Robert J. Valuck. (2011). Methods for enhanced identification and detection of suicidality outcomes in observational comparative effectiveness and safety research. In The Third Symposium on Comparative Effectiveness Research Methods (Methods for Developing and Analyzing Clinically Rich Data for Patient-Centered Outcomes Research). Rockville, Maryland, June 6-7, 2011.

Heather Anderson, Wilson D. Pace, Elias Brandt, Rodney D. Nielsen, David R. West, and Robert J. Valuck. (2011). Methods for detecting suicidality outcomes in observational comparative effectiveness and safety studies. At the annual meeting of the New Clinical Drug Evaluation Unit (NCDEU), (National Institute of Mental Health). Boca Raton, Florida, June 13-16, 2011. American Society of Clinical Psychopharmacology.

Rodney D. Nielsen, Richard Voyles, Daniel Bolanos, Mohammad Mahoor, Wilson Pace, Katie Siek, and Wayne Ward. (2010). A Platform for Human-Robot dialog Systems Research. In Proceedings of AAAI Fall Symposium, Dialog with Robots, pp 161-162, Arlington, Virginia, November 11-13, 2010. AAAI Press.

Rodney D. Nielsen, James Masanz, Philip V. Ogren, Wayne Ward, James Martin, and Guergana K. Savova. (2010). An architecture for complex clinical question answering. In Proceedings of the First Annual ACM International Health Informatics Symposium (IHI 2010), pp 395-399, Arlington, Virginia, November 11-12, 2010. ACM, New York, NY.

Rodney D. Nielsen, James H. Martin, James Masanz, Wayne Ward, and Guergana Savova. (Submitted). Characterizing Clinical Questions and Question Answering Systems. American Medical Informatics Association Annual Symposium (AMIA 2010). November 13-17, 2010. Washington D.C.

Lee Becker, Rodney D. Nielsen, Ifeyinwa Okoye, Tamara Sumner, and Wayne H. Ward. (2010). What's next? Target Concept Identification and Sequencing. In Proceedings of the Third Workshop on Question Generation at the Tenth International Conference on Intelligent Tutoring Systems, (ITS 2010), pp 35-44, Pittsburg, Pennsylvania, June 14-18, 2010.

Dmitriy Dligach, Rodney Nielsen, Martha Palmer. (2010). To Annotate More Accurately or to Annotate More. In Proceedings of the Fourth Linguistics Annotation Workshop, at the Forty-Eighth annual meeting of the Association for Computational Linguistics, (ACL-10), pp 64-72, Uppsala, Sweden, July 11-16, 2010. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Jena D. Hwang, Rodney D. Nielsen and Martha Palmer. (2010). Towards a Domain Independent Semantics: Enhancing Semantic Representation with Construction Grammar. In Proceedings of the North American Association for Computational Linguistics Ð Human Language Technologies, Workshop on Extracting and Using Constructions in Computational Linguistics, (NAACL HLT 2010), pp 1-8, Los Angeles, California, June 1-6, 2010. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Lee Becker, Rodney D. Nielsen, and Wayne Ward. (2009). What a pilot study says about running a question generation challenge. In Proceedings of the Second Workshop on Question Generation, at the 14th International Conference on Artificial Intelligence in Education, Brighton, United Kingdom, July 6-10, 2009. IOS Press.

Sikos, Les, Rodney D. Nielsen, Travis Rood, Laura A. Michaelis, Martha Palmer and Albert D. Kim. 2009. On the Road to Conventionalization: Analyses of Nominal Coercion. Poster presented at The Twenty-Second Annual Meeting of the CUNY Conference on Human Sentence Processing. Davis, CA. March 2009.

Rodney D. Nielsen, Lee Becker, and Wayne Ward. (2008). TAC 2008 CLEAR RTE system report: Facet-based entailment. In Proceedings of the Text Analysis Conference, Gaithersburg, Maryland, November 17-19, 2008. National Institute of Standards and Technology.

Rodney D. Nielsen. (2008). Question generation: Proposed challenge tasks and their evaluation. In Vasile Rus and Art Graesser (Eds.): Proceedings of the Workshop on the Question Generation Shared Task and Evaluation Challenge, Arlington, Virginia, September 25-26, 2008.

Rodney D. Nielsen. (accepted). Identifying key concepts for question generation. Accepted to the Workshop on the Question Generation Shared Task and Evaluation Challenge (combined with another accepted paper into the preceding paper), Arlington, Virginia, September 25-26, 2008.

Rodney D. Nielsen, Jason Buckingham, Gary Knoll, Ben Marsh and Leysia Palen. (2008). A Taxonomy of questions for question generation. In Vasile Rus and Art Graesser (Eds.): Proceedings of the Workshop on the Question Generation Shared Task and Evaluation Challenge, Arlington, Virginia, September 25-26, 2008.

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2008). Automatic generation of fine-grained representations of learner response semantics. In Beverly Park Woolf, Esma Aimeur, Roger Nkambou and Susanne P. Lajoie (Eds.): Proceedings of the Ninth International Conference on Intelligent Tutoring Systems, (ITS 2008), pp 173-183, Montreal, Canada, June 23-27, 2008. Published by Springer, Heidelberg, Germany.

Rodney D. Nielsen, Wayne Ward, James H. Martin and Martha Palmer. (2008). Extracting a representation from text for semantic analysis. In Proceedings of the Forty-Sixth annual meeting of the Association for Computational Linguistics and the Human Language Technologies Conference, (ACL-08:HLT), pp 241-244, Columbus, Ohio, June 15-20, 2008. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2008). Classification errors in a domain-independent assessment system. In Proceedings of the Third Workshop on Innovative Use of Natural Language Processing for Building Educational Applications, at the Forty-Sixth annual meeting of the Association for Computational Linguistics, (ACL-08:HLT), pp 10-18, Columbus, Ohio, June 15-20, 2008. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Rodney D. Nielsen, Wayne Ward, James H. Martin and Martha Palmer. (2008). Annotating students' understanding of science concepts. In Proceedings of the Sixth International Language Resources and Evaluation Conference, (LREC'08), Marrakech, Morocco, May 28-30, 2008. Published by the European Language Resources Association, (ELRA), Paris, France.

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2008). Learning to assess low-level conceptual understanding. In David Wilson and H. Chad Lane (Eds.): Proceedings of the Twenty-First International Artificial Intelligence Researchers Society Conference, (FLAIRS-08), pp 427-432, Coconut Grove, Florida, May 15-17, 2008. Published by the Association for the Advancement of Artificial Intelligence, (AAAI Press), Menlo Park, California.

Rodney D. Nielsen and Wayne Ward. (2007). A corpus of fine-grained entailment relations. In Proceedings of the Pattern Analysis, Statistical Modelling and Computational Learning Workshop on Textual Entailment and Paraphrasing, at the Forty-Fifth annual meeting of the Association for Computational Linguistics, (ACL-PASCAL-07), pp 28-35, Prague, Czech Republic, June 23-30, 2007. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Steven Bethard, Rodney D. Nielsen, James H. Martin, Wayne Ward, and Martha Palmer. (2007). Semantic integration in learning from text. In Proceedings of the Association for the Advancement of Artificial Intelligence Spring Symposium Series on Machine Reading, (AAAI SSS-07), Stanford University, Palo Alto, California, March 26-28, 2007. Published by the Association for the Advancement of Artificial Intelligence, (AAAI Press), Menlo Park, California.

Rodney D. Nielsen, Wayne Ward and James H. Martin. (2006). Toward dependency path based entailment. In Bernardo Magnini and Ido Dagan (Eds.): Proceedings of the Second PASCAL Recognising Textual Entailment Challenge Workshop, (PASCAL RTE 2006), pp 44-49, Venice, Italy, April 10, 2006. Published by the Pattern Analysis, Statistical Modelling and Computational Learning Network of Excellence, (PASCAL).

Rodney D. Nielsen and Sameer Pradhan. (2004). Mixing weak learners in semantic parsing. In Dekang Lin and Dekai Wu (Eds.): Proceedings of the Conference on Empirical Methods in Natural Language Processing, (EMNLP 2004), pp 80-87, Barcelona, Spain, July 25-26, 2004. Published by the Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

Rodney D. Nielsen. (2004). MOB-ESP and other improvements in probability estimation. In Max Chickering and Joseph Halpern (Eds.): Proceedings of the Twentieth Conference on Uncertainty in Artificial Intelligence, (UAI-2004), pp 418-425, Banff, Canada, July 7-11, 2004. Published by the Association for Computing Machinery, (ACM), New York, New York.

Ph.D. Thesis

Rodney D. Nielsen. (2008). Learner answer assessment in intelligent tutoring systems. Ph.D. thesis, Wayne Ward and James H. Martin, Co-Advisors, the University of Colorado at Boulder, January 4, 2008.

Technical Reports

Wilson Pace, Rodney D. Nielsen, Heather Anderson, Robert Valuck, Elias Brandt, and David R. West. (2010). Data Additions Related to Depression Care through Natural Language Processing. A report to Agency for Healthcare Research and Quality: Developing Evidence to Inform Decisions about Effectiveness (DEcIDE) Program. November, 2010.

Markus Breitenbach, Rodney Nielsen and Gregory Grudic. (2003). Probabilistic random forests: Predicting data point specific Misclassification probabilities. Technical Report CU-CS-954-03, the University of Colorado at Boulder.

Rodney D. Nielsen. (1995). Automated unit test generation in expert systems. Andersen Consulting Technical Report, Chicago, Illinois.

Rodney D. Nielsen. (1995). End-user code generation in expert systems. Andersen Consulting Technical Report, Chicago, Illinois.

Contributions

Heather Orton Anderson, Anne Libby, and Robert Valuck. (2010). Methods for detecting suicidality outcomes in observational comparative effectiveness research. Presented at the American Public Health AssociationÕs 138th Annual Meeting and Expo, Denver, Colorado, November 6-10, 2010.

Dmitriy Dligach and Martha Palmer. (2008). Novel Semantic Features for Verb Sense Disambiguation. In Proceedings of ACL-08: HLT, pp 29-32, Columbus, Ohio, USA, June 2008. Association for Computational Linguistics, (ACL), Stroudsburg, Pennsylvania.

David Reynolds and Tim Beck. (1993). Tennessee offender management information system. In Proceedings of the Fifth Conference on Innovative Applications of Artificial Intelligence, (IAAI-93), Washington, DC, July 11-15, 1993. Published by the Association for the Advancement of Artificial Intelligence, (AAAI Press), Menlo Park, California. (Rodney designed the knowledge-based system and implemented its application architecture.)