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Long-horizon conversational agents rely on memory systems with increasingly sophisticated retrieval mechanisms. However, retrieved fragments are typically fed to the language model as unstructured text, lacking the relational, temporal, and…

计算与语言 · 计算机科学 2026-05-05 Yushi Sun , Bowen Cao , Dong Fang , Lingfeng Su , Wai Lam

In various work contexts, such as meeting scheduling, collaborating, and project planning, collective decision-making is essential but often challenging due to diverse individual preferences, varying work focuses, and power dynamics among…

计算与语言 · 计算机科学 2025-08-13 Marios Papachristou , Longqi Yang , Chin-Chia Hsu

We propose MemoChat, a pipeline for refining instructions that enables large language models (LLMs) to effectively employ self-composed memos for maintaining consistent long-range open-domain conversations. We demonstrate a long-range…

计算与语言 · 计算机科学 2023-08-24 Junru Lu , Siyu An , Mingbao Lin , Gabriele Pergola , Yulan He , Di Yin , Xing Sun , Yunsheng Wu

Large language models (LLMs) have significantly advanced the field of natural language processing (NLP) through their extensive parameters and comprehensive data utilization. However, existing LLMs lack a dedicated memory unit, limiting…

计算与语言 · 计算机科学 2024-10-25 Ali Modarressi , Ayyoob Imani , Mohsen Fayyaz , Hinrich Schütze

LLM agents increasingly rely on memory mechanisms to reuse knowledge from past problem-solving experiences. However, existing methods typically construct memory for a single agent and reuse it with the same underlying model, tightly…

人工智能 · 计算机科学 2026-05-29 Yurui Chang , Yiran Wu , Qingyun Wu , Lu Lin

While large language models (LLMs) show considerable promise across various fields, they have notable limitations in handling multi-document question answering (Multi-doc QA) tasks. The first challenge is long-range dependency modeling,…

计算与语言 · 计算机科学 2025-10-15 Jiakai Li , Rongzheng Wang , Yizhuo Ma , Shuang Liang , Guangchun Luo , Ke Qin

Large Language Models (LLMs) have demonstrated remarkable capabilities in leveraging extensive external knowledge to enhance responses in multi-turn and agentic applications, such as retrieval-augmented generation (RAG). However, processing…

计算与语言 · 计算机科学 2025-10-14 Xiaoqiang Lin , Aritra Ghosh , Bryan Kian Hsiang Low , Anshumali Shrivastava , Vijai Mohan

Large language model (LLM) agents demonstrate strong performance in short-text contexts but often underperform in extended dialogues due to inefficient memory management. Existing approaches face a fundamental trade-off between efficiency…

人工智能 · 计算机科学 2026-05-04 Xiaochen Zhao , Kaikai Wang , Xiaowen Zhang , Chen Yao , Aili Wang

In real-world applications with Large Language Models (LLMs), external retrieval mechanisms - such as Search-Augmented Generation (SAG), tool utilization, and Retrieval-Augmented Generation (RAG) - are often employed to enhance the quality…

计算与语言 · 计算机科学 2025-02-25 Tzu-Lin Kuo , Feng-Ting Liao , Mu-Wei Hsieh , Fu-Chieh Chang , Po-Chun Hsu , Da-Shan Shiu

The rapid evolution of large language models (LLMs) has transformed conversational agents, enabling complex human-machine interactions. However, evaluation frameworks often focus on single tasks, failing to capture the dynamic nature of…

计算与语言 · 计算机科学 2025-02-10 Pietro Alessandro Aluffi , Patrick Zietkiewicz , Marya Bazzi , Matt Arderne , Vladimirs Murevics

This paper proposes a novel framework utilizing multi-modal large language models (MLLMs) for referring video object segmentation (RefVOS). Previous MLLM-based methods commonly struggle with the dilemma between "Ref" and "VOS": they either…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Lang Lin , Xueyang Yu , Ziqi Pang , Yu-Xiong Wang

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,…

计算与语言 · 计算机科学 2024-05-29 Jing Guo , Nan Li , Jianchuan Qi , Hang Yang , Ruiqiao Li , Yuzhen Feng , Si Zhang , Ming Xu

Large Language Models (LLMs) face significant challenges in long-context processing, including quadratic computational costs, information forgetting, and the context fragmentation inherent in retrieval-augmented generation (RAG). We propose…

计算与语言 · 计算机科学 2026-02-10 Zhuoen Chen , Dongfang Li , Meishan Zhang , Baotian Hu , Min Zhang

Conversational recommender systems (CRSs) aim to recommend high-quality items to users through a dialogue interface. It usually contains multiple sub-tasks, such as user preference elicitation, recommendation, explanation, and item…

信息检索 · 计算机科学 2023-08-14 Yue Feng , Shuchang Liu , Zhenghai Xue , Qingpeng Cai , Lantao Hu , Peng Jiang , Kun Gai , Fei Sun

Modern task-oriented dialogue (TOD) systems increasingly rely on large language model (LLM) agents, leveraging Retrieval-Augmented Generation (RAG) and long-context capabilities for long-term memory utilization. However, these methods are…

计算与语言 · 计算机科学 2025-08-14 Yiming Du , Bingbing Wang , Yang He , Bin Liang , Baojun Wang , Zhongyang Li , Lin Gui , Jeff Z. Pan , Ruifeng Xu , Kam-Fai Wong

Large Language Models (LLMs) have achieved remarkable performance across a wide range of Natural Language Processing (NLP) tasks. However, in long-context scenarios, they face two challenges: high computational cost and information…

Large Language Models (LLM) are usually fine-tuned to participate in dyadic or two-party dialogues, which can not adapt well to multi-party dialogues (MPD), which hinders their applications in such scenarios including multi-personal…

计算与语言 · 计算机科学 2025-06-12 Xiaoyu Wang , Ningyuan Xi , Teng Chen , Qingqing Gu , Yue Zhao , Xiaokai Chen , Zhonglin Jiang , Yong Chen , Luo Ji

Large Reasoning Models (LRMs) face two fundamental limitations: excessive token consumption when overanalyzing simple information processing tasks, and inability to access up-to-date knowledge beyond their training data. We introduce MARS…

Memory mechanism is a core component of LLM-based agents, enabling reasoning and knowledge discovery over long-horizon contexts. Existing agent memory systems are typically designed within isolated paradigms (e.g., explicit, parametric, or…

人工智能 · 计算机科学 2026-02-10 Xin Zhang , Kailai Yang , Chenyue Li , Hao Li , Qiyu Wei , Jun'ichi Tsujii , Sophia Ananiadou

Distributed multi-agent systems (DMAS) based on large language models (LLMs) enable collaborative intelligence while preserving data privacy. However, systematic evaluations of long-term memory under network constraints are limited. This…

信息检索 · 计算机科学 2026-01-16 Benedict Wolff , Jacopo Bennati