activity
20222026
most citedG-Retriever: Retrieval-Augmented Generation for Textual Graph Understanding and Question Answering

22 citations · 54 across the 36 of their papers we have counts for

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Showing 2025Show all

15 papers · 1 filter

cs.CR2025

Backdoor-Powered Prompt Injection Attacks Nullify Defense Methods

Yulin Chen, Haoran Li, Yuan Sui +2

With the development of technology, large language models (LLMs) have dominated the downstream natural language processing (NLP) tasks. However, because of the LLMs' instruction-fo…

cs.AI2025

EvoTest: Evolutionary Test-Time Learning for Self-Improving Agentic Systems

Yufei He, Juncheng Liu, Yue Liu +5

A fundamental limitation of current AI agents is their inability to learn complex skills on the fly at test time, often behaving like "clever but clueless interns" in novel environ…

cs.AI2025

What-If Analysis of Large Language Models: Explore the Game World Using Proactive Thinking

Yuan Sui, Yanming Zhang, Yi Liao +5

LLMs struggle with decision-making in high-stakes environments like MOBA games, primarily due to a lack of proactive reasoning and limited understanding of complex game dynamics. T…

cs.LG2025

Enabling Self-Improving Agents to Learn at Test Time With Human-In-The-Loop Guidance

Yufei He, Ruoyu Li, Alex Chen +8

Large language model (LLM) agents often struggle in environments where rules and required domain knowledge frequently change, such as regulatory compliance and user risk screening.…

cs.CR2025

TopicAttack: An Indirect Prompt Injection Attack via Topic Transition

Yulin Chen, Haoran Li, Yuexin Li +3

Large language models (LLMs) have shown remarkable performance across a range of NLP tasks. However, their strong instruction-following capabilities and inability to distinguish in…

cs.CL2025

Efficient Reasoning via Chain of Unconscious Thought

Ruihan Gong, Yue Liu, Wenjie Qu +11

Large Reasoning Models (LRMs) achieve promising performance but compromise token efficiency due to verbose reasoning processes. Unconscious Thought Theory (UTT) posits that complex…

cs.CL2025

Safety in Large Reasoning Models: A Survey

Cheng Wang, Yue Liu, Baolong Bi +9

Large Reasoning Models (LRMs) have exhibited extraordinary prowess in tasks like mathematics and coding, leveraging their advanced reasoning capabilities. Nevertheless, as these ca…

cs.AI2025

GuardReasoner-VL: Safeguarding VLMs via Reinforced Reasoning

Yue Liu, Shengfang Zhai, Mingzhe Du +9

To enhance the safety of VLMs, this paper introduces a novel reasoning-based VLM guard model dubbed GuardReasoner-VL. The core idea is to incentivize the guard model to deliberativ…

cs.AI2025

FlowReasoner: Reinforcing Query-Level Meta-Agents

Hongcheng Gao, Yue Liu, Yufei He +6

This paper proposes a query-level meta-agent named FlowReasoner to automate the design of query-level multi-agent systems, i.e., one system per user query. Our core idea is to ince…

cs.CR2025

Robustness via Referencing: Defending against Prompt Injection Attacks by Referencing the Executed Instruction

Yulin Chen, Haoran Li, Yuan Sui +8

Large language models (LLMs) have demonstrated impressive performance and have come to dominate the field of natural language processing (NLP) across various tasks. However, due to…

cs.CL2025

Efficient Inference for Large Reasoning Models: A Survey

Yue Liu, Jiaying Wu, Yufei He +11

Large Reasoning Models (LRMs) significantly improve the reasoning ability of Large Language Models (LLMs) by learning to reason, exhibiting promising performance in solving complex…

cs.AI2025

Evaluating the Paperclip Maximizer: Are RL-Based Language Models More Likely to Pursue Instrumental Goals?

Yufei He, Yuexin Li, Jiaying Wu +3

As large language models (LLMs) continue to evolve, ensuring their alignment with human goals and values remains a pressing challenge. A key concern is \textit{instrumental converg…

cs.AI2025

Meta-Reasoner: Dynamic Guidance for Optimized Inference-time Reasoning in Large Language Models

Yuan Sui, Yufei He, Tri Cao +3

Large Language Models (LLMs) often struggle with computational efficiency and error propagation in multi-step reasoning tasks. While recent advancements on prompting and post-train…

cs.CR2025

Can Indirect Prompt Injection Attacks Be Detected and Removed?

Yulin Chen, Haoran Li, Yuan Sui +4

Prompt injection attacks manipulate large language models (LLMs) by misleading them to deviate from the original input instructions and execute maliciously injected instructions, b…

cs.LG2025

UniGraph2: Learning a Unified Embedding Space to Bind Multimodal Graphs

Yufei He, Yuan Sui, Xiaoxin He +3

Existing foundation models, such as CLIP, aim to learn a unified embedding space for multimodal data, enabling a wide range of downstream web-based applications like search, recomm…