activity
20242026
collaborators

11 papers

cs.AI2026

Learning What to Share and What to Personalize: Hierarchical Strategy Co-Evolution for Agent Memory

Yupeng Han, Shuochen Liu, Kai Zhang +3

Memory-augmented agents maintain compact user profiles throughout extended conversations, enabling personalized and consistent responses without the need to process the entire dial…

cs.AI2026

Incorporating Cognitive Load and Knowledge Transfer for Multi-Domain Knowledge Tracing

Haotian Zhang, Shucun Wang, Jinze Wu +6

Knowledge Tracing (KT) aims to assess students' dynamic knowledge states from their learning histories. While most existing KT methods focus on single-domain learning with notable…

cs.CV2026

SAFE-G: Structure-aware Faithful Evidence-guided Generation for Knowledge-based Visual Question Answering

Long Shu, Shuochen Liu, Wei Chen +4

Knowledge-based Visual Question Answering (KB-VQA) aims to answer queries that necessitate reasoning over external knowledge sources beyond the visual content. Typically, current m…

cs.CL2026

Learning How and What to Memorize: Cognition-Inspired Two-Stage Optimization for Evolving Memory

Derong Xu, Shuochen Liu, Pengfei Luo +8

Large language model (LLM) agents require long-term user memory for consistent personalization, but limited context windows hinder tracking evolving preferences over long interacti…

cs.AI2026

VehicleMemBench: An Executable Benchmark for Multi-User Long-Term Memory in In-Vehicle Agents

Yuhao Chen, Yi Xu, Xinyun Ding +7

With the growing demand for intelligent in-vehicle experiences, vehicle-based agents are evolving from simple assistants to long-term companions. This evolution requires agents to…

cs.AI2026

PERMA: Benchmarking Personalized Memory Agents via Event-Driven Preference and Realistic Task Environments

Shuochen Liu, Junyi Zhu, Long Shu +11

Empowering large language models with long-term memory is crucial for building agents that adapt to users' evolving needs. Existing evaluations of this capability typically interle…

cs.CR2026

VIGIL: Defending LLM Agents Against Tool Stream Injection via Verify-Before-Commit

Junda Lin, Zhaomeng Zhou, Zhi Zheng +4

LLM agents operating in open environments face escalating risks from indirect prompt injection, particularly within the tool stream where manipulated metadata and runtime feedback…

cs.AI2025

Look as You Think: Unifying Reasoning and Visual Evidence Attribution for Verifiable Document RAG via Reinforcement Learning

Shuochen Liu, Pengfei Luo, Chao Zhang +6

Aiming to identify precise evidence sources from visual documents, visual evidence attribution for visual document retrieval-augmented generation (VD-RAG) ensures reliable and veri…

cs.IR2025

TeaRAG: A Token-Efficient Agentic Retrieval-Augmented Generation Framework

Chao Zhang, Yuhao Wang, Derong Xu +9

Retrieval-Augmented Generation (RAG) utilizes external knowledge to augment Large Language Models' (LLMs) reliability. For flexibility, agentic RAG employs autonomous, multi-round…

cs.AI2025

Xiangqi-R1: Enhancing Spatial Strategic Reasoning in LLMs for Chinese Chess via Reinforcement Learning

Yuhao Chen, Shuochen Liu, Yuanjie Lyu +3

Game playing has long served as a fundamental benchmark for evaluating Artificial General Intelligence. While Large Language Models (LLMs) have demonstrated impressive capabilities…

cs.CL2024

FastMem: Fast Memorization of Prompt Improves Context Awareness of Large Language Models

Junyi Zhu, Shuochen Liu, Yu Yu +6

Large language models (LLMs) excel in generating coherent text, but they often struggle with context awareness, leading to inaccuracies in tasks requiring faithful adherence to pro…