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Long-horizon agents face the challenge of growing context size during interaction with environment, which degrades the performance and stability. Existing methods typically introduce the external memory module and look up the relevant…

Artificial Intelligence · Computer Science 2026-04-10 Ruoran Li , Xinghua Zhang , Haiyang Yu , Shitong Duan , Xiang Li , Wenxin Xiang , Chonghua Liao , Xudong Guo , Yongbin Li , Jinli Suo

Long-horizon GUI agents are a key step toward real-world deployment, yet effective interaction memory under prevailing paradigms remains under-explored. Replaying full interaction sequences is redundant and amplifies noise, while summaries…

While multimodal large language models have demonstrated impressive short-term reasoning, they struggle with long-horizon video understanding due to limited context windows and static memory mechanisms that fail to mirror human cognitive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Niu Lian , Yuting Wang , Hanshu Yao , Jinpeng Wang , Bin Chen , Yaowei Wang , Min Zhang , Shu-Tao Xia

Open-domain dialogue systems have seen remarkable advancements with the development of large language models (LLMs). Nonetheless, most existing dialogue systems predominantly focus on brief single-session interactions, neglecting the…

Computation and Language · Computer Science 2025-02-14 Hao Li , Chenghao Yang , An Zhang , Yang Deng , Xiang Wang , Tat-Seng Chua

Persistent conversational AI systems face a choice between passing full conversation histories to a long-context large language model (LLM) and maintaining a dedicated memory system that extracts and retrieves structured facts. We compare a…

Computation and Language · Computer Science 2026-03-06 Natchanon Pollertlam , Witchayut Kornsuwannawit

Embodied task planning requires agents to execute long-horizon, goal-directed actions in complex 3D environments, where success depends on both immediate perception and accumulated experience across tasks. However, most existing LLM-based…

Robotics · Computer Science 2026-04-21 Xiaoyu Ma , Lianyu Hu , Wenbing Tang , Zixuan Hu , Zeqin Liao , Zhizhen Wu , Yang Liu

Large Language Model (LLM)-based agents exhibit significant potential across various domains, operating as interactive systems that process environmental observations to generate executable actions for target tasks. The effectiveness of…

Computation and Language · Computer Science 2024-08-20 Mengkang Hu , Tianxing Chen , Qiguang Chen , Yao Mu , Wenqi Shao , Ping Luo

Large Language Models (LLMs) face significant computational and memory constraints when processing long contexts, despite growing demand for applications requiring reasoning over extensive documents, multi-session dialogues, and book length…

Computation and Language · Computer Science 2026-02-10 Chandra Vamsi Krishna Alla , Harish Naidu Gaddam , Manohar Kommi

In today's assistant landscape, personalisation enhances interactions, fosters long-term relationships, and deepens engagement. However, many systems struggle with retaining user preferences, leading to repetitive user requests and…

Artificial Intelligence · Computer Science 2025-01-17 Johannes Kirmayr , Lukas Stappen , Phillip Schneider , Florian Matthes , Elisabeth André

Remembering important information from the past and continuing to talk about it in the present are crucial in long-term conversations. However, previous literature does not deal with cases where the memorized information is outdated, which…

Computation and Language · Computer Science 2022-10-18 Sanghwan Bae , Donghyun Kwak , Soyoung Kang , Min Young Lee , Sungdong Kim , Yuin Jeong , Hyeri Kim , Sang-Woo Lee , Woomyoung Park , Nako Sung

Recent advancements in Large Language Models (LLMs) have improved their ability to process extended conversational contexts, yet fine-tuning and evaluating short- and long-term memories remain difficult due to the absence of datasets that…

Computation and Language · Computer Science 2026-04-15 Manoj Madushanka Perera , Adnan Mahmood , Kasun Eranda Wijethilake , Quan Z. Sheng

Current LLM agents lack principled mechanisms for managing persistent memory across long interaction horizons. We present a biologically-grounded memory architecture comprising six cognitive mechanisms: (1) sleep-phase consolidation, (2)…

Artificial Intelligence · Computer Science 2026-05-12 Doga Kerestecioglu , Alexei Robsky , Clemens Vasters , Anshul Sharma , Yitzhak Kesselman

Long-horizon agentic reasoning necessitates effectively compressing growing interaction histories into a limited context window. Most existing memory systems serialize history as text, where token-level cost is uniform and scales linearly…

Artificial Intelligence · Computer Science 2026-05-19 Yaorui Shi , Shugui Liu , Yu Yang , Wenyu Mao , Yuxin Chen , Qi GU , Hui Su , Xunliang Cai , Xiang Wang , An Zhang

Effectively processing long contexts remains a fundamental yet unsolved challenge for large language models (LLMs). Existing single-LLM-based methods primarily reduce the context window or optimize the attention mechanism, but they often…

Computation and Language · Computer Science 2026-04-22 Yichen Jiang , Jiakang Yuan , Chongjun Tu , Peng Ye , Tao Chen

We present SCM (Sleep-Consolidated Memory), a research preview of a memory architecture for large language models that draws on neuroscientific principles to address a fundamental limitation in current systems: the absence of persistent,…

Machine Learning · Computer Science 2026-04-24 Saish Sachin Shinde

Memory systems are key components that enable AI systems such as LLMs and AI agents to achieve long-term learning and sustained interaction. However, during memory storage and retrieval, these systems frequently exhibit memory…

Computation and Language · Computer Science 2026-01-06 Ding Chen , Simin Niu , Kehang Li , Peng Liu , Xiangping Zheng , Bo Tang , Xinchi Li , Feiyu Xiong , Zhiyu Li

Agent memory shapes how Large Language Model (LLM)-powered agents, akin to the human brain, progressively refine themselves through environment interactions. Existing paradigms remain constrained: parametric memory forcibly adjusts model…

Computation and Language · Computer Science 2025-10-14 Guibin Zhang , Muxin Fu , Shuicheng Yan

Large language models (LLMs) have achieved impressive linguistic capabilities. However, a key limitation persists in their lack of human-like memory faculties. LLMs exhibit constrained memory retention across sequential interactions,…

Computation and Language · Computer Science 2024-05-29 Jing Guo , Nan Li , Jianchuan Qi , Hang Yang , Ruiqiao Li , Yuzhen Feng , Si Zhang , Ming Xu

Large language model (LLM) agents are increasingly deployed in long running workflows, where they must preserve user and task state across many turns. Many existing agent memory systems behave like external databases with ad hoc read/write…

Artificial Intelligence · Computer Science 2026-03-18 Pearl Mody , Mihir Panchal , Rishit Kar , Kiran Bhowmick , Ruhina Karani

Long-horizon applications increasingly require large language models (LLMs) to answer queries when relevant evidence is sparse and dispersed across very long contexts. Existing memory systems largely follow two paradigms: explicit…

Computation and Language · Computer Science 2026-01-08 Xin Zhang , Kailai Yang , Hao Li , Chenyue Li , Qiyu Wei , Sophia Ananiadou