Selected Publications

Journal and Conference papers. Note that * signifies equal contribution. Please refer to Google Scholar for a complete list of publications.

• Compact Language Models with Iterative Text Refinement for Health Dialogue Summarization
  Kellen Tan Cheng, Ganesh Ramesh, Nafiul Rashid, Geoffrey Jay Tso, Jilong Kuang
  To Appear at European Chapter of the Association for Computational Linguistics (EACL) Main Conference Proceedings 2026

• STAR: Self-Automated Back-Querying for Production Data Generation
  Kellen Tan Cheng, Anna Lisa Gentile, Chad DeLuca, Guang-Jie Ren
  International Joint Conference on Natural Language Processing & Asia-Pacific Chapter of the Association for Computational Linguistics (IJCNLP-AACL) Main Conference Proceedings 2025

• OneShield - the Next Generation of LLM Guardrails
  Chad DeLuca, Anna Lisa Gentile, Shubhi Asthana, Bing Zhang, Pawan Chowdhary, Kellen Cheng, Basel Shbita, Pengyuan Li, Guang-Jie Ren, Sandeep Gopisetty
  ArXiV Preprint

• Don’t Be My Doctor! Recognizing Healthcare Advice in Large Language Models
  Kellen Tan Cheng, Anna Lisa Gentile, Pengyuan Li, Chad DeLuca, Guang-Jie Ren
  Empirical Methods in Natural Language Processing (EMNLP) Industry Track Proceedings 2024

• No Context Needed: Contextual Quandary in Idiomatic Reasoning with Pre-Trained Language Models
  Kellen Tan Cheng, Suma Bhat
  North American Chapter of the Association for Computational Linguistics (NAACL) Main Conference Proceedings 2024

• IEKG: A Commonsense Knowledge Graph for Idiomatic Expressions
  Ziheng Zeng, Kellen Tan Cheng, Srihari Venkat Nanniyur, Jianing Zhou, Suma Bhat
  Empirical Methods in Natural Language Processing (EMNLP) Main Conference Proceedings 2023