mlsanityData to 7 Oct 2026

Hello Again! LLM-powered Personalized Agent for Long-term Dialogue

arXiv 2406.05925 ↗First posted 9 Jun 2024cs.CL cs.AIcited by 121

On the map: LLM agents and tool use → Agent memory systems

Abstract (arXiv)

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 real-world demands for long-term companionship and personalized interactions with chatbots. Crucial to addressing this real-world need are event summary and persona management, which enable reasoning for appropriate long-term dialogue responses. Recent progress in the human-like cognitive and reasoning capabilities of LLMs suggests that LLM-based agents could significantly enhance automated perception, decision-making, and problem-solving. In response to this potential, we introduce a model-agnostic framework, the Long-term Dialogue Agent (LD-Agent), which incorporates three independently tunable modules dedicated to event perception, persona extraction, and response generation. For the event memory module, long and short-term memory banks are employed to separately focus on historical and ongoing sessions, while a topic-based retrieval mechanism is introduced to enhance the accuracy of memory retrieval. Furthermore, the persona module conducts dynamic persona modeling for both users and agents. The integration of retrieved memories and extracted personas is subsequently fed into the generator to induce appropriate responses. The effectiveness, generality, and cross-domain capabilities of LD-Agent are empirically demonstrated across various illustrative benchmarks, models, and tasks. The code is released at https://github.com/leolee99/LD-Agent.

Key facts. Cited by 121 papers in the map (data through 7 Oct 2026). Placed in Agent memory systems, one of 16 directions in LLM agents and tool use. Builds on 48 of its 67 references that are in the map. First posted on arXiv 9 Jun 2024.

Builds on

48 of 67 references.

Closest ancestors · 1

Same direction, newest first

  1. 2024Evaluating Very Long-Term Conversational Memory of LLM Agents27 Feb

Other references · 47

  1. 2014Adam: A Method for Stochastic Optimizationcited by 36,960
  2. 2022Chain-of-Thought Prompting Elicits Reasoning in Large Language Modelscited by 12,302
  3. 2019BART: Denoising Sequence-to-Sequence Pre-training for Natural Language Generation, Translation, and Comprehensioncited by 5,874
  4. 2021Finetuned Language Models Are Zero-Shot Learnerscited by 3,747
  5. 2023Generative Agents: Interactive Simulacra of Human Behaviorcited by 3,500
  6. 2023Voyager: An Open-Ended Embodied Agent with Large Language Modelscited by 2,081
  7. 2020MiniLM: Deep Self-Attention Distillation for Task-Agnostic Compression of Pre-Trained Transformerscited by 1,414
  8. 2023Mind2Web: Towards a Generalist Agent for the Webcited by 1,210
  9. 2022GLM-130B: An Open Bilingual Pre-trained Modelcited by 837
  10. 2018Personalizing Dialogue Agents: I have a dog, do you have pets too?cited by 820
  11. 2017DailyDialog: A Manually Labelled Multi-turn Dialogue Datasetcited by 649
  12. 2020Recipes for building an open-domain chatbotcited by 593
35 more
  1. 2023Enabling Large Language Models to Generate Text with Citationscited by 584
  2. 2023MemoryBank: Enhancing Large Language Models with Long-Term Memorycited by 539
  3. 2019SAMSum Corpus: A Human-annotated Dialogue Dataset for Abstractive Summarizationcited by 530
  4. 2023Character-LLM: A Trainable Agent for Role-Playingcited by 335
  5. 2021Beyond Goldfish Memory: Long-Term Open-Domain Conversationcited by 266
  6. 2023S3: Social-network Simulation System with Large Language Model-Empowered Agentscited by 228
  7. 2021DialogSum: A Real-Life Scenario Dialogue Summarization Datasetcited by 181
  8. 2023RoleLLM: Benchmarking, Eliciting, and Enhancing Role-Playing Abilities of Large Language Modelscited by 173
  9. 2023War and Peace (WarAgent): Large Language Model-based Multi-Agent Simulation of World Warscited by 143
  10. 2023Recommender AI Agent: Integrating Large Language Models for Interactive Recommendationscited by 130
  11. 2023SoulChat: Improving LLMs' Empathy, Listening, and Comfort Abilities through Fine-tuning with Multi-turn Empathy Conversationscited by 109
  12. 2022Long Time No See! Open-Domain Conversation with Long-Term Persona Memorycited by 107
  13. 2023On Generative Agents in Recommendationcited by 88
  14. 2020You Impress Me: Dialogue Generation via Mutual Persona Perceptioncited by 85
  15. 2023Rehearsal: Simulating Conflict to Teach Conflict Resolutioncited by 54
  16. 2023Conversation Chronicles: Towards Diverse Temporal and Relational Dynamics in Multi-Session Conversationscited by 47
  17. 2024UniMS-RAG: A Unified Multi-source Retrieval-Augmented Generation for Personalized Dialogue Systemscited by 38
  18. 2023CharacterGLM: Customizing Chinese Conversational AI Characters with Large Language Modelscited by 34
  19. 2023LLM-empowered Chatbots for Psychiatrist and Patient Simulation: Application and Evaluationcited by 33
  20. 2024AI for social science and social science of AI: A Surveycited by 29
  21. 2019GSN: A Graph-Structured Network for Multi-Party Dialoguescited by 26
  22. 2019Guiding Variational Response Generator to Exploit Personacited by 25
  23. 2022A Model-Agnostic Data Manipulation Method for Persona-based Dialogue Generationcited by 25
  24. 2019Dually Interactive Matching Network for Personalized Response Selection in Retrieval-Based Chatbotscited by 23
  25. 2019Getting To Know You: User Attribute Extraction from Dialoguescited by 19
  26. 2023Towards Robust Personalized Dialogue Generation via Order-Insensitive Representation Regularizationcited by 17
  27. 2021Towards Personalized Answer Generation in E-Commerce via Multi-Perspective Preference Modelingcited by 16
  28. 2022HeterMPC: A Heterogeneous Graph Neural Network for Response Generation in Multi-Party Conversationscited by 16
  29. 2023History-Aware Hierarchical Transformer for Multi-session Open-domain Dialogue Systemcited by 15
  30. 2023Mind the Gap Between Conversations for Improved Long-Term Dialogue Generationcited by 13
  31. 2022Building a Personalized Dialogue System with Prompt-Tuningcited by 9
  32. 2018Memory-augmented Dialogue Management for Task-oriented Dialogue Systemscited by 8
  33. 2021Detecting Speaker Personas from Conversational Textscited by 8
  34. 2023PK-ICR: Persona-Knowledge Interactive Context Retrieval for Grounded Dialoguecited by 6
  35. 2023UniMC: A Unified Framework for Long-Term Memory Conversation via Relevance Representation Learningcited by 6

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2024: 10; 2025: 44; 2026: 67.

121 papers.

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  1. 2024LongMemEval: Benchmarking Chat Assistants on Long-Term Interactive Memorycited by 656
  2. 2025Memory in the Age of AI Agentscited by 285
  3. 2025LightMem: Lightweight and Efficient Memory-Augmented Generationcited by 163
  4. 2024Large Language Model-Brained GUI Agents: A Surveycited by 160
  5. 2025Memory OS of AI Agentcited by 140
  6. 2024RetrievalAttention: Accelerating Long-Context LLM Inference via Vector Retrievalcited by 114
  7. 2025In Prospect and Retrospect: Reflective Memory Management for Long-term Personalized Dialogue Agentscited by 102
  8. 2025On Memory Construction and Retrieval for Personalized Conversational Agentscited by 101
  9. 2025Seeing, Listening, Remembering, and Reasoning: A Multimodal Agent with Long-Term Memorycited by 88
  10. 2025PersonaMem-v2: Towards Personalized Intelligence via Learning Implicit User Personas and Agentic Memorycited by 82
  11. 2026Agentic Memory: Learning Unified Long-Term and Short-Term Memory Management for Large Language Model Agentscited by 72
  12. 2025A Survey of Personalized Large Language Models: Progress and Future Directionscited by 65
38 more
  1. 2025DRIFT: Dynamic Rule-Based Defense with Injection Isolation for Securing LLM Agentscited by 59
  2. 2024Towards Lifelong Dialogue Agents via Timeline-based Memory Managementcited by 50
  3. 2025What Deserves Memory: Adaptive Memory Distillation for LLM Agentscited by 46
  4. 2025Measuring What Makes You Unique: Difference-Aware User Modeling for Enhancing LLM Personalizationcited by 44
  5. 2025Training Proactive and Personalized LLM Agentscited by 42
  6. 2025A Survey on Personalized Alignment -- The Missing Piece for Large Language Models in Real-World Applicationscited by 40
  7. 2024Richelieu: Self-Evolving LLM-Based Agents for AI Diplomacycited by 36
  8. 2025Rethinking Memory in LLM based Agents: Representations, Operations, and Emerging Topicscited by 36
  9. 2025MemVerse: Multimodal Memory for Lifelong Learning Agentscited by 31
  10. 2025LLM-based Human Simulations Have Not Yet Been Reliablecited by 30
  11. 2025SGMem: Sentence Graph Memory for Long-Term Conversational Agentscited by 29
  12. 2025From Single to Multi-Granularity: Toward Long-Term Memory Association and Selection of Conversational Agentscited by 27
  13. 2025Reasoning-Enhanced Self-Training for Long-Form Personalized Text Generationcited by 26
  14. 2025MDTeamGPT: A Self-Evolving LLM-based Multi-Agent Framework for Multi-Disciplinary Team Medical Consultationcited by 25
  15. 2025A Survey on Personalized and Pluralistic Preference Alignment in Large Language Modelscited by 25
  16. 2025Towards a Design Guideline for RPA Evaluation: A Survey of Large Language Model-Based Role-Playing Agentscited by 22
  17. 2025Teaching Language Models to Evolve with Users: Dynamic Profile Modeling for Personalized Alignmentcited by 22
  18. 2026Graph-based Agent Memory: Taxonomy, Techniques, and Applicationscited by 22
  19. 2025How Far are LLMs from Being Our Digital Twins? A Benchmark for Persona-Based Behavior Chain Simulationcited by 21
  20. 2025Toward Multi-Session Personalized Conversation: A Large-Scale Dataset and Hierarchical Tree Framework for Implicit Reasoningcited by 21
  21. 2024Comparing Retrieval-Augmentation and Parameter-Efficient Fine-Tuning for Privacy-Preserving Personalization of Large Language Modelscited by 20
  22. 2026RealMem: Benchmarking LLMs in Real-World Memory-Driven Interactioncited by 20
  23. 2026Anatomy of Agentic Memory: Taxonomy and Empirical Analysis of Evaluation and System Limitationscited by 20
  24. 2026OP-Bench: Benchmarking Over-Personalization for Memory-Augmented Personalized Conversational Agentscited by 18
  25. 2025Pre-Storage Reasoning for Episodic Memory: Shifting Inference Burden to Memory for Personalized Dialoguecited by 17
  26. 2026Beyond Dialogue Time: Temporal Semantic Memory for Personalized LLM Agentscited by 14
  27. 2025MEMTRACK: Evaluating Long-Term Memory and State Tracking in Multi-Platform Dynamic Agent Environmentscited by 13
  28. 2025TwinVoice: A Multi-dimensional Benchmark Towards Digital Twins via LLM Persona Simulationcited by 13
  29. 2026PERMA: Benchmarking Personalized Memory Agents via Event-Driven Preference and Realistic Task Environmentscited by 13
  30. 2024The Imperative of Conversation Analysis in the Era of LLMs: A Survey of Tasks, Techniques, and Trendscited by 11
  31. 2025PersonaAgent: Bridging Memory and Action for Personalized LLM Agentscited by 11
  32. 2025Revisiting Compositional Generalization Capability of Large Language Models Considering Instruction Following Abilitycited by 10
  33. 2025AssoMem: Scalable Memory QA with Multi-Signal Associative Retrievalcited by 10
  34. 2026ES-MemEval: Benchmarking Conversational Agents on Personalized Long-Term Emotional Supportcited by 10
  35. 2026Toward Personalized LLM-Powered Agents: Foundations, Evaluation, and Future Directionscited by 10
  36. 2026PersonaVLM: Long-Term Personalized Multimodal LLMscited by 10
  37. 2025ProactiveEval: A Unified Evaluation Framework for Proactive Dialogue Agentscited by 9
  38. 2024ELLMA-T: an Embodied LLM-agent for Supporting English Language Learning in Social VRcited by 8

50 most cited of 121 All 121 (JSON)

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  1. 2025Enabling Personalized Long-term Interactions in LLM-based Agents through Persistent Memory and User Profiles
  2. 2025Mem-PAL: Towards Memory-based Personalized Dialogue Assistants for Long-term User-Agent Interaction
  3. 2025Memoria: A Scalable Agentic Memory Framework for Personalized Conversational AI
  4. 2026AgenticAI-DialogGen: Topic-Guided Conversation Generation for Fine-Tuning and Evaluating Short- and Long-Term Memories of LLMs
  5. 2026AlpsBench: An LLM Personalization Benchmark for Real-Dialogue Memorization and Preference Alignment
  6. 2026Memory in the LLM Era: Modular Architectures and Strategies in a Unified Framework
  7. 2023Enhancing Pipeline-Based Conversational Agents with Large Language Models
  8. 2025Reasoning LLMs for User-Aware Multimodal Conversational Agents