activity
20212026
most citedA Knowledge Graph Perspective on Supply Chain Resilience

6 citations · 19 across the 14 of their papers we have counts for

collaborators

14 papers

cs.AI2026

Reasoning Compression with Mixed-Policy Distillation

Han Yang, Mingyan Wu, Bailan He +4

Reasoning-centric large language models (LLMs) achieve strong performance by generating intermediate reasoning trajectories, but often incur excessive token usage and high inferenc…

cs.CR2025

Deep Research Agents Brings Deeper Harm

Shuo Chen, Zonggen Li, Xingyu Jin +8

We reveal that Deep Research (DR) agents systematically expose safety risks: simply submitting harmful queries that a standalone LLM would reject outright can elicit detailed and d…

cs.CR2025

Strong but Brittle: Simple Attacks Subvert Reasoning-based Safety Guardrails

Shuo Chen, Zhen Han, Haokun Chen +6

Open-weight Large Reasoning Models (LRMs) are approaching the capabilities of their frontier counterparts but pose significant safety concerns, as they are difficult to patch or mo…

cs.LG2025

Distilling Tool Knowledge into Language Models via Back-Translated Traces

Xingyue Huang, Xianglong Hu, Zifeng Ding +9

Large language models (LLMs) often struggle with mathematical problems that require exact computation or multi-step algebraic reasoning. Tool-integrated reasoning (TIR) offers a pr…

cs.CL2025

Supposedly Equivalent Facts That Aren't? Entity Frequency in Pre-training Induces Asymmetry in LLMs

Yuan He, Bailan He, Zifeng Ding +8

Understanding and mitigating hallucinations in Large Language Models (LLMs) is crucial for ensuring reliable content generation. While previous research has primarily focused on "w…

cs.LG2024

PERFT: Parameter-Efficient Routed Fine-Tuning for Mixture-of-Expert Model

Yilun Liu, Yunpu Ma, Shuo Chen +4

The Mixture-of-Experts (MoE) paradigm has emerged as a powerful approach for scaling transformers with improved resource utilization. However, efficiently fine-tuning MoE models re…

cs.CL2024

Visual Question Decomposition on Multimodal Large Language Models

Haowei Zhang, Jianzhe Liu, Zhen Han +5

Question decomposition has emerged as an effective strategy for prompting Large Language Models (LLMs) to answer complex questions. However, while existing methods primarily focus…

cs.LG2024

Red Teaming GPT-4V: Are GPT-4V Safe Against Uni/Multi-Modal Jailbreak Attacks?

Shuo Chen, Zhen Han, Bailan He +5

Various jailbreak attacks have been proposed to red-team Large Language Models (LLMs) and revealed the vulnerable safeguards of LLMs. Besides, some methods are not limited to the t…

cs.CV2023★ 5 cited

Can Multimodal Large Language Models Truly Perform Multimodal In-Context Learning?

Shuo Chen, Zhen Han, Bailan He +6

Large Language Models (LLMs) with in-context learning (ICL) ability can quickly adapt to a specific context given a few demonstrations (demos). Recently, Multimodal Large Language…

cs.LG2023★ 6 cited

A Knowledge Graph Perspective on Supply Chain Resilience

Yushan Liu, Bailan He, Marcel Hildebrandt +7

Global crises and regulatory developments require increased supply chain transparency and resilience. Companies do not only need to react to a dynamic environment but have to act p…

cs.AI2022★ 6 cited

Few-Shot Inductive Learning on Temporal Knowledge Graphs using Concept-Aware Information

Zifeng Ding, Jingpei Wu, Bailan He +3

Knowledge graph completion (KGC) aims to predict the missing links among knowledge graph (KG) entities. Though various methods have been developed for KGC, most of them can only de…

cs.AI2022

ForecastTKGQuestions: A Benchmark for Temporal Question Answering and Forecasting over Temporal Knowledge Graphs

Zifeng Ding, Zongyue Li, Ruoxia Qi +8

Question answering over temporal knowledge graphs (TKGQA) has recently found increasing interest. TKGQA requires temporal reasoning techniques to extract the relevant information f…

cs.LG2022

Learning Meta Representations of One-shot Relations for Temporal Knowledge Graph Link Prediction

Zifeng Ding, Bailan He, Yunpu Ma +2

Few-shot relational learning for static knowledge graphs (KGs) has drawn greater interest in recent years, while few-shot learning for temporal knowledge graphs (TKGs) has hardly b…

cs.LG2021★ 2 cited

A Simple But Powerful Graph Encoder for Temporal Knowledge Graph Completion

Zifeng Ding, Yunpu Ma, Bailan He +1

Knowledge graphs contain rich knowledge about various entities and the relational information among them, while temporal knowledge graphs (TKGs) describe and model the interactions…