activity
20242026
most citedA Theoretical Understanding of Chain-of-Thought: Coherent Reasoning and Error-Aware Demonstration

3 citations · 7 across the 14 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Quantization-Aware Distillation for NVFP4 Inference Accuracy Recovery

Meng Xin, Sweta Priyadarshi, Jingyu Xin +26

This technical report presents quantization-aware distillation (QAD) and our best practices for recovering accuracy of NVFP4-quantized large language models (LLMs) and vision-langu…

cs.AI2026

How Far Are LLMs from Professional Poker Players? Revisiting Game-Theoretic Reasoning with Agentic Tool Use

Minhua Lin, Enyan Dai, Hui Liu +11

As Large Language Models (LLMs) are increasingly applied in high-stakes domains, their ability to reason strategically under uncertainty becomes critical. Poker provides a rigorous…

cs.AI2025

Seeing but Not Believing: Probing the Disconnect Between Visual Attention and Answer Correctness in VLMs

Zhining Liu, Ziyi Chen, Hui Liu +9

Vision-Language Models (VLMs) achieve strong results on multimodal tasks such as visual question answering, yet they can still fail even when the correct visual evidence is present…

cs.AI2025

AgentTTS: Large Language Model Agent for Test-time Compute-optimal Scaling Strategy in Complex Tasks

Fali Wang, Hui Liu, Zhenwei Dai +8

Test-time scaling (TTS) enhances the performance of large language models (LLMs) by allocating additional compute resources during inference. However, existing research primarily i…

cs.LG2025

Bradley-Terry and Multi-Objective Reward Modeling Are Complementary

Zhiwei Zhang, Hui Liu, Xiaomin Li +10

Reward models trained on human preference data have demonstrated strong effectiveness in aligning Large Language Models (LLMs) with human intent under the framework of Reinforcemen…

cs.CL2025★ 1 cited

Examples as the Prompt: A Scalable Approach for Efficient LLM Adaptation in E-Commerce

Jingying Zeng, Zhenwei Dai, Hui Liu +6

Prompting LLMs offers an efficient way to guide output generation without explicit model training. In the e-commerce domain, prompting-based applications are widely used for tasks…

cs.CL2025★ 1 cited

Cite Before You Speak: Enhancing Context-Response Grounding in E-commerce Conversational LLM-Agents

Jingying Zeng, Hui Liu, Zhenwei Dai +5

With the advancement of conversational large language models (LLMs), several LLM-based Conversational Shopping Agents (CSA) have been developed to help customers smooth their onlin…

cs.AI2025

How Far are LLMs from Real Search? A Comprehensive Study on Efficiency, Completeness, and Inherent Capabilities

Minhua Lin, Hui Liu, Xianfeng Tang +7

Search plays a fundamental role in problem-solving across various domains, with most real-world decision-making problems being solvable through systematic search. Drawing inspirati…

cs.CL2025

Stepwise Perplexity-Guided Refinement for Efficient Chain-of-Thought Reasoning in Large Language Models

Yingqian Cui, Pengfei He, Jingying Zeng +11

Chain-of-Thought (CoT) reasoning, which breaks down complex tasks into intermediate reasoning steps, has significantly enhanced the performance of large language models (LLMs) on c…

cs.CL2025

Reasoning with Graphs: Structuring Implicit Knowledge to Enhance LLMs Reasoning

Haoyu Han, Yaochen Xie, Hui Liu +8

Large language models (LLMs) have demonstrated remarkable success across a wide range of tasks; however, they still encounter challenges in reasoning tasks that require understandi…

cs.AI2024

A Survey of Calibration Process for Black-Box LLMs

Liangru Xie, Hui Liu, Jingying Zeng +7

Large Language Models (LLMs) demonstrate remarkable performance in semantic understanding and generation, yet accurately assessing their output reliability remains a significant ch…

cs.CL2024★ 3 cited

A Theoretical Understanding of Chain-of-Thought: Coherent Reasoning and Error-Aware Demonstration

Yingqian Cui, Pengfei He, Xianfeng Tang +4

Few-shot Chain-of-Thought (CoT) prompting has demonstrated strong performance in improving the reasoning capabilities of large language models (LLMs). While theoretical investigati…

cs.CL2024★ 1 cited

SimRAG: Self-Improving Retrieval-Augmented Generation for Adapting Large Language Models to Specialized Domains

Ran Xu, Hui Liu, Sreyashi Nag +8

Retrieval-augmented generation (RAG) enhances the question-answering (QA) abilities of large language models (LLMs) by integrating external knowledge. However, adapting general-pur…

cs.IR2024

Exploring Query Understanding for Amazon Product Search

Chen Luo, Xianfeng Tang, Hanqing Lu +12

Online shopping platforms, such as Amazon, offer services to billions of people worldwide. Unlike web search or other search engines, product search engines have their unique chara…

cs.LG2024★ 1 cited

Node-wise Filtering in Graph Neural Networks: A Mixture of Experts Approach

Haoyu Han, Juanhui Li, Wei Huang +5

Graph Neural Networks (GNNs) have proven to be highly effective for node classification tasks across diverse graph structural patterns. Traditionally, GNNs employ a uniform global…