Haau-Sing Li

About Me

Hi this is Haau-Sing Li/Xiaocheng Li/李效丞/이효성!

I am currently an ELLIS PhD student. My affiliations under ELLIS are UKP Lab @ TU Darmstadt (with Iryna Gurevych) and SARDINE Lab @ Instituto de Telecomunicações (with André Martins, as part of Lisbon ELLIS Unit).

My research revolves around the study of Code Generation, Test-Time Compute, and Reasoning. I have a decent level of confidence that the domain knowledge of code generation can be used to improve the performance of language models with respect to reasoning, problem-solving, agent-related tasks, and more.

Before joining the ELLIS PhD program, I finished my master’s degree at Center for Data Science, NYU, where I worked with Alex Warstadt and Sam Bowman on NLU and Narges Razavian on medical NLP. I have my bachelor’s degree at Renmin University of China.

I am currently looking for research internships/visiting positions that starts ASAP, feel free to reach out!

Recent News

• [Oct. 2024] I will give a talk about our paper DOCE at SOAR Lab, Singapore Management University.
• [Sept. 2024] Our paper Reranking Laws for Language Generation: A Communication-Theoretic Perspective has been accepted to NeurIPS 2024 Spotlight!
• [Aug. 2024] We release DOCE, a framework of execution-based code generation that includes candidate generation, reranking and self-debugging, with state-of-the-art performance.
• [Aug. 2024] I attended ACL 2024 in Bangkok, Thailand.
• [July 2024] I finished my ELLIS PhD exchange at IT with amazing people to work with and talk to!

Publications

Services

Reviewer

• ACL: 2024
• EMNLP: 2024
• NAACL: 2025
• LREC/COLING: 2024, 2025

Teaching

• Moderator @ the 13th Lisbon Machine Learning School 2023 (LxMLS 2023)
• Moderator @ the 12th Lisbon Machine Learning School 2022 (LxMLS 2022)
• Section Leader @ Machine Learning (DS-GA 1003) Spring 2021, NYU Center for Data Science

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