- A Text-Based Recommender System that Leverages Explicit Affective State Preferences, to appear in Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP), November 2025.
- An Expectation-Realization Model for Metaphor Detection, Best paper award at the 4th Workshop on Figurative Language Processing (FigLang), June 2024.
- Can language models employ the Socratic method? Experiments with code debugging, Proceedings of the 55th ACM Technical Symposium on Computer Science Education (SIGCSE), March 2024.
- Topic-Level Bayesian Surprise and Serendipity for Recommender Systems, Proceedings of the 17th ACM Conference on Recommender Systems (RecSys), September 2023.
- A semantic parsing pipeline for context-dependent question answering over temporally structured data, Natural Language Engineering, October 2021.
- More publications available in Google Scholar.
Research Experience
- Associate Editor for IEEE Transactions on Computers, 2024-25.
- Program co-chair of the International Summer School on Data Science organized by the Bucharest University of Economic Studies in Predeal, 2018-24.
- Standing reviewer for Computational Linguistics, 2021-25.
- Area chair for the NLP Applications track at ACL 2020.
- Co-chair, with Cindy Marling, of the Blood Glucose Level Prediction Challenge at the ECAI 2020 workshop on Knowledge Discovery in Healthcare Data.
- Guest editor of the special issue on Sensor Technologies: Artificial Intelligence for Diabetes Management in the journal Sensors, 2020.
- Area chair for the Applications track at ACL 2019.
- Co-chair, with Cindy Marling, of the Blood Glucose Level Prediction Challenge at the IJCAI 2018 workshop on Knowledge Discovery in Healthcare Data.
- Invited talk at University of Akron on Machine Learning Models for Blood Glucose Level Prediction, October 2017.
- Co-chairs of the ACL-IJCNLP 2015 track on Information Extraction and Text Mining with Steven Bethard and Mausam.
- Member of the Senior Program Committee for IJCAI 2013.
- Member of the Senior Program Committee for AAAI 2012, in the area of Natural Language Processing.
- Co-chaired the ACL HLT 2011 track on Text Mining and Information Extraction with Alex Yates.
- Co-chaired the OCCBIO 2010 session on Data Mining and Machine Learning with Michael Raymer.
- Organized the IJCAI 2009 workshop on User Contributed Knowledge and AI: An evolving synergy with Vivi, Rada, Evgeniy.
- Organized the AAAI 2008 workshop on Wikipedia and AI: An evolving synergy with Rada, Evgeniy.
Education
- Ph.D. in Computer Science, University of Texas at Austin, 2007
- M.S. in Computer Science, University Politehnica of Bucharest, 1999
- B.S. in Computer Science, University Politehnica of Bucharest, 1998
Background
Research Interests: Machine Learning, Natural Language Processing, Music Information Retrieval.