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Liang Zhu

3 accepted papers

2026

From Guessing to Placeholding: A Cost-Theoretic Framework for Uncertainty-Aware Code Completion

ICML 2026poster

While Large Language Models (LLMs) have demonstrated exceptional proficiency in code completion, they typically adhere to a **Hard Completion (HC)** paradigm, compelling the generation of fully concrete code even amidst insufficient context. Our analysis of 3 million real-world interactions exposes …

Cited by 0SourceScholar
2025

MADial-Bench: Towards Real-world Evaluation of Memory-Augmented Dialogue Generation

NAACL 2025long

Long-term memory is important for chatbots and dialogue systems (DS) to create consistent and human-like conversations, evidenced by numerous developed memory-augmented DS (MADS). To evaluate the effectiveness of such MADS, existing commonly used evaluation metrics, like retrieval accuracy and perpl…

2024

CLHA: A Simple Yet Effective Contrastive Learning Framework for Human Alignment

COLING 2024main

Reinforcement learning from human feedback (RLHF) is a crucial technique in aligning large language models (LLMs) with human preferences, ensuring these LLMs behave in beneficial and comprehensible ways to users. However, a longstanding challenge in human alignment techniques based on reinforcement…