activity
20232026
most citedImpact-Oriented Contextual Scholar Profiling using Self-Citation Graphs

6 citations · 7 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CL2026

User-Aware Active Knowledge Acquisition for Emotional Support Dialogue

Mufan Xu, Kehai Chen, Jiahao Hu +4

Emotional support plays an important role in dialogue systems, and its success depends on adapting to a user's evolving and implicit needs across multi-turn interactions while leve…

cs.CL2026

Beyond Token-Level Policy Gradients for Complex Reasoning with Large Language Models

Mufan Xu, Kehai Chen, Xuefeng Bai +4

Existing policy-gradient methods for auto-regressive language models typically select subsequent tokens one at a time as actions in the policy. While effective for many generation…

cs.CL2026

Instruction Anchor: Dissecting the Mechanistic Dynamics of Modality Arbitration

Yu Zhang, Mufan Xu, Xuefeng Bai +4

Modality following is the ability to selectively leverage multimodal contexts based on user instructions. It is fundamental to the safety and reliability of multimodal large langua…

cs.CL2025

Memory-augmented Query Reconstruction for LLM-based Knowledge Graph Reasoning

Mufan Xu, Gewen Liang, Kehai Chen +5

Large language models (LLMs) have achieved remarkable performance on knowledge graph question answering (KGQA) tasks by planning and interacting with knowledge graphs. However, exi…

cs.CL2024★ 1 cited

LLM-based Discriminative Reasoning for Knowledge Graph Question Answering

Mufan Xu, Kehai Chen, Xuefeng Bai +3

Large language models (LLMs) based on generative pre-trained Transformer have achieved remarkable performance on knowledge graph question-answering (KGQA) tasks. However, LLMs ofte…

cs.DL2023★ 6 cited

Impact-Oriented Contextual Scholar Profiling using Self-Citation Graphs

Yuankai Luo, Lei Shi, Mufan Xu +4

Quantitatively profiling a scholar's scientific impact is important to modern research society. Current practices with bibliometric indicators (e.g., h-index), lists, and networks…