I am a Senior Researcher in the Department of Computer and Information Science (CIS) of the School of Engineering and Applied Science at the University of Pennsylvania, and member of the UPenn NLP group. I am currently on leave from the French National Research Center (CNRS) where I hold a tenure researcher position.
My research interests focus on computational linguistics and natural language processing, and specifically in the area of semantics with the goal of modeling the meaning of natural language. I am working on designing meaning representations and mechanisms for reasoning over them, and also on analyzing the semantic information encoded by large language models and devising ways to enhance and complement it. I am interested in both theoretical and application-oriented aspects of natural language semantics and commonsense reasoning, and in cognitive aspects of language learning.
News
- Program co-Chair for COLING 2025.
- President of SIGLEX (the ACL Special Interest Group on the Lexicon).
- With Abdellah Fourtassi and Sebastian Padó, we are co-editing the Special Issue of Computational Linguistics on Language Learning, Representation, and Processing in Humans and Machines. The accepted papers can be accessed on the MIT Press website.
- I help organize the Multilingual Shared-task on Hallucinations and Related Observable Overgeneration Mistakes (Mu-SHROOM) at SemEval-2025. I was also involved in the SHROOM shared task at SemEval 2024.
- Senior Action Editor (SAE) for Lexical Semantics at ACL Rolling Review (ARR). Senior Area Chair (SAC) at ACL 2025, EMNLP 2024, EMNLP 2023, ACL 2023, LREC-COLING 2024, EACL 2021. Area Chair (AC) at NAACL 2024, EMNLP 2022, *SEM 2022, EMNLP 2021, ACL-IJCNLP 2021, ACL 2020, EMNLP 2020, ACL 2019, EMNLP-IJCNLP 2019; *SEM 2019. Program Chair at *SEM 2020. Contact: marapi at seas dot upenn dot edu