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Related papers: State Contamination in Memory-Augmented LLM Agents

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We present a systematic study of provider-side data poisoning in retrieval-augmented recommender systems (RAG-based). By modifying only a small fraction of tokens within item descriptions -- for instance, adding emotional keywords or…

Information Retrieval · Computer Science 2025-05-09 Fatemeh Nazary , Yashar Deldjoo , Tommaso Di Noia , Eugenio Di Sciascio

Agent-compiled knowledge bases provide persistent external knowledge for large language model (LLM) agents in open-ended, knowledge-intensive downstream tasks. Yet their quality is systematically limited by \emph{incompleteness},…

Computation and Language · Computer Science 2026-05-12 Haoyu Huang , Jiaxin Bai , Shujie Liu , Yang Wei , Hong Ting Tsang , Yisen Gao , Zhongwei Xie , Yufei Li , Yangqiu Song

Memory is a central capability for LLM agents operating across long-horizon tasks. Existing memory benchmarks predominantly evaluate retention of personalized information in multi-turn chat scenarios, overlooking the dynamic memory…

Computation and Language · Computer Science 2026-05-21 Wujiang Xu , Yu Wang , Kai Mei , Kaiqu Liang , Zhenting Wang , Mingyu Jin , Han Zhang , Shi-Xiong Zhang , Wenyue Hua , Sambit Sahu , Dimitris N. Metaxas

Large language models (LLMs) are increasingly deployed in multi-agent systems where agents communicate in natural language to solve tasks jointly. A key capability in such systems is consensus formation, where agents iteratively exchange…

Multiagent Systems · Computer Science 2026-05-12 Xiaolin Sun , Zixuan Liu , Yibin Hu , Zizhan Zheng

Evidence-enhanced detectors present remarkable abilities in identifying malicious social text. However, the rise of large language models (LLMs) brings potential risks of evidence pollution to confuse detectors. This paper explores…

Computation and Language · Computer Science 2025-05-30 Herun Wan , Minnan Luo , Zhixiong Su , Guang Dai , Xiang Zhao

As online communication increasingly incorporates under-represented languages and colloquial dialects, standard translation systems often fail to preserve local slang, code-mixing, and culturally embedded markers of harmful speech.…

Computation and Language · Computer Science 2025-07-17 Ziyu Ge , Gabriel Chua , Leanne Tan , Roy Ka-Wei Lee

As LLM agents scale to long-horizon, multi-session deployments, efficiently managing accumulated experience becomes a critical bottleneck. Agent memory systems and agent skill discovery both address this challenge -- extracting reusable…

Artificial Intelligence · Computer Science 2026-04-20 Xing Zhang , Guanghui Wang , Yanwei Cui , Wei Qiu , Ziyuan Li , Bing Zhu , Peiyang He

Autonomous LLM agents operate as long-running processes with persistent workspaces, memory files, scheduled task state, and messaging integrations. These features create a new propagation risk: attacker-influenced content can be written…

Cryptography and Security · Computer Science 2026-05-05 Mingming Zha , Xiaofeng Wang

Large language models (LLMs) are increasingly deployed as educational agents for automatic short answer grading (ASAG) in real-world educational environments, significantly boosting assessment efficiency and scalability. However, when these…

Cryptography and Security · Computer Science 2026-05-25 Xueyi Li , Zhuoneng Zhou , Zitao Liu , Yongdong Wu

This paper presents a defense framework for enhancing the safety of large language model (LLM) empowered multi-agent systems (MAS) in safety-critical domains such as aerospace. We apply randomized smoothing, a statistical robustness…

Artificial Intelligence · Computer Science 2025-07-08 Jinwei Hu , Yi Dong , Zhengtao Ding , Xiaowei Huang

As large language models (LLMs) advance, there is growing interest in using them to simulate human social behavior through generative agent-based modeling (GABM). However, validating these models remains a key challenge. We present a…

Multiagent Systems · Computer Science 2025-07-30 Logan Cross , Nick Haber , Daniel L. K. Yamins

Multi-trajectory inference for tool-use LLM agents - generating multiple reasoning attempts and selecting among them - benefits from transferring knowledge across attempts so that later ones avoid the pitfalls of earlier ones. Existing…

Artificial Intelligence · Computer Science 2026-05-28 Xinzhe Li , Yaguang Tao

State abstraction has been an essential tool for dramatically improving the sample efficiency of reinforcement-learning algorithms. Indeed, by exposing and accentuating various types of latent structure within the environment, different…

Machine Learning · Computer Science 2021-06-18 Dilip Arumugam , Benjamin Van Roy

Memory has emerged, and will continue to remain, a core capability of foundation model-based agents. As research on agent memory rapidly expands and attracts unprecedented attention, the field has also become increasingly fragmented.…

Context window expansion is often treated as a straightforward capability upgrade for LLMs, but we find it systematically fails in multi-agent social dilemmas. Across 7 LLMs and 4 games over 500 rounds, expanding accessible history degrades…

Computation and Language · Computer Science 2026-05-11 Jiayuan Liu , Tianqin Li , Shiyi Du , Xin Luo , Haoxuan Zeng , Emanuel Tewolde , Tai Sing Lee , Tonghan Wang , Carl Kingsford , Vincent Conitzer

Large language model (LLM) agents have evolved to intelligently process information, make decisions, and interact with users or tools. A key capability is the integration of long-term memory capabilities, enabling these agents to draw upon…

Computation and Language · Computer Science 2025-08-04 Rana Salama , Jason Cai , Michelle Yuan , Anna Currey , Monica Sunkara , Yi Zhang , Yassine Benajiba

LLM-driven agents are capable of selecting external tools to complete users' tasks. However, attackers could compromise such process, steering agents toward inappropriate/wrong tools and enabling malicious actions. Most existing attacks…

Cryptography and Security · Computer Science 2026-05-27 Xuanye Zhang , Yongsen Zheng , Zhuqin Xu , Kaiyu Zhou , Bowen Shen , Haoran Ou , Tianwei Zhang , Kwok-Yan Lam

Data contamination poses a significant threat to the reliable evaluation of Large Language Models (LLMs). This issue arises when benchmark samples may inadvertently appear in training sets, compromising the validity of reported performance.…

Computation and Language · Computer Science 2026-03-19 Yongding Tao , Tian Wang , Yihong Dong , Huanyu Liu , Kechi Zhang , Xiaolong Hu , Ge Li

Although LLM agents can leverage tools for complex tasks, they still need memory to maintain cross-turn consistency and accumulate reusable information in long-horizon interactions. However, retrieval-based external memory systems incur low…

Artificial Intelligence · Computer Science 2026-04-23 Jiaquan Zhang , Chaoning Zhang , Shuxu Chen , Zhenzhen Huang , Pengcheng Zheng , Zhicheng Wang , Ping Guo , Fan Mo , Sung-Ho Bae , Jie Zou , Jiwei Wei , Yang Yang

Long-running AI agents need persistent memory. Memory supports learning across sessions, reduces repeated context injection, and enables auditing of past decisions. Current agent memory systems and database paradigms treat memory as…

Artificial Intelligence · Computer Science 2026-05-27 Abdelghny Orogat , Essam Mansour