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projects

AMR Visualizer

Published: March 01, 2024

A website that visualizes AMR graphs entered in Penman format.

publications

Holographic Embeddings for Text and Graphs

Published in Brandeis University, 2024

Timothy Obiso. 2024. Holographic Embeddings for Text and Graphs. In Brandeis University 2024.

GLAMR: Augmenting AMR with GL-VerbNet Event Structure

Published in LREC-COLING, 2024

This paper proposes GLAMR, an extension of AMR.

Jingxuan Tu, Timothy Obiso, Bingyang Ye, Kyeongmin Rim, Keer Xu, Liulu Yue, Susan Windisch Brown, Martha Palmer, and James Pustejovsky. 2024. GLAMR: Augmenting AMR with GL-VerbNet Event Structure. In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pages 7746–7759, Torino, Italia. ELRA and ICCL.

HaRMoNEE at SemEval-2024 Task 6: Tuning-based Approaches to Hallucination Recognition

Published in Proceedings of the 18th International Workshop on Semantic Evaluation (SemEval-2024), 2024

This paper presents the #1 (winning) and #10 submissions to the two SHROOM tasks at SemEval 2024.

Timothy Obiso, Jingxuan Tu, and James Pustejovsky. 2024. HaRMoNEE at SemEval-2024 Task 6: Tuning-based Approaches to Hallucination Recognition. In Proceedings of the 18th International Workshop on Semantic Evaluation (SemEval-2024), pages 1322–1331, Mexico City, Mexico. Association for Computational Linguistics.

Semantically Enriched Text Generation for QA through Dense Paraphrasing

Published in ICNLSP 2024, 2024

Timothy Obiso, Bingyang Ye, Kyeongmin Rim, and James Pustejovsky. 2024. Semantically Enriched Text Generation for QA through Dense Paraphrasing. In Proceedings of the 7th International Conference on Natural Language and Speech Processing (ICNLSP 2024), pages 279–286, Trento. Association for Computational Linguistics.

Dynamic Epistemic Friction in Dialogue

Published in CoNLL 2025 (ACL 2025), 2025

Timothy Obiso, Kenneth Lai, Abhijnan Nath, Nikhil Krishnaswamy, and James Pustejovsky. 2025. Dynamic Epistemic Friction in Dialogue. In Proceedings of the 29th Conference on Computational Natural Language Learning (CoNLL 2025), Vienna. Association for Computational Linguistics.

ProPara-CRTS: Canonical Referent Tracking for Reliable Evaluation of Entity State Tracking in Process Narratives

Published in IWCS 2025, 2025

Bingyang Ye, Timothy Obiso, Jingxuan Tu, and James Pustejovsky. 2025. Dynamic Epistemic Friction in Dialogue. In Proceedings of the 29th Conference on Computational Natural Language Learning (CoNLL 2025), Vienna. Association for Computational Linguistics.

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