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Related papers: PersonaX: A Recommendation Agent Oriented User Mod…

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LLM-based agents can complete tasks correctly yet still frustrate users through poor interaction patterns, such as excessive confirmations, opaque reasoning, or misaligned pacing. Current benchmarks evaluate task accuracy but overlook how…

Human-Computer Interaction · Computer Science 2026-02-09 Jialin Li , Zhenhao Chen , Hanjun Luo , Hanan Salam

In this paper, we address the lifelong sequential behavior incomprehension problem in large language models (LLMs) for recommendation, where LLMs struggle to extract useful information from long user behavior sequences, even within their…

Information Retrieval · Computer Science 2025-01-24 Rong Shan , Jiachen Zhu , Jianghao Lin , Chenxu Zhu , Bo Chen , Ruiming Tang , Yong Yu , Weinan Zhang

Evaluating recommender systems remains challenging due to the gap between offline metrics and real user behavior, as well as the scarcity of interaction data. Recent work explores large language model (LLM) agents as synthetic users, yet…

Information Retrieval · Computer Science 2026-01-06 Nicolas Bougie , Gian Maria Marconi , Tony Yip , Narimasa Watanabe

Large Language Models (LLMs) struggle with generating reliable outputs due to outdated knowledge and hallucinations. Retrieval-Augmented Generation (RAG) models address this by enhancing LLMs with external knowledge, but often fail to…

Information Retrieval · Computer Science 2026-01-16 Saber Zerhoudi , Michael Granitzer

Personalization today is fundamentally platform-centric: services build user representations from the behavioral fragments they observe. Yet no platform can construct a complete picture of the user, as competitive incentives, legal…

Process mining provides powerful insights into organizational workflows, but extracting these insights typically requires expertise in specialized query languages and data science tools. Large Language Models (LLMs) offer the potential to…

Artificial Intelligence · Computer Science 2026-03-17 Anton Antonov , Humam Kourani , Alessandro Berti , Gyunam Park , Wil M. P. van der Aalst

Traditional UX development methodologies focus on developing ``one size fits all" solutions and lack the flexibility to cater to diverse user needs. In response, a growing interest has arisen in developing more dynamic UX frameworks.…

Software Engineering · Computer Science 2024-05-03 Yutan Huang

Recommender systems are central to online services, enabling users to navigate through massive amounts of content across various domains. However, their evaluation remains challenging due to the disconnect between offline metrics and online…

Information Retrieval · Computer Science 2026-04-14 Nicolas Bougie , Gian Maria Marconi , Xiaotong Ye , Narimasa Watanabe

Most conventional recommendation methods (e.g., matrix factorization) represent user profiles as high-dimensional vectors. Unfortunately, these vectors lack interpretability and steerability, and often perform poorly in cold-start settings.…

Computation and Language · Computer Science 2024-02-27 Joyce Zhou , Yijia Dai , Thorsten Joachims

Personalization plays a critical role in numerous language tasks and applications, since users with the same requirements may prefer diverse outputs based on their individual interests. This has led to the development of various…

Computation and Language · Computer Science 2024-09-19 Jiongnan Liu , Yutao Zhu , Shuting Wang , Xiaochi Wei , Erxue Min , Yu Lu , Shuaiqiang Wang , Dawei Yin , Zhicheng Dou

Recent advancements in generative AI have significantly increased interest in personalized agents. With increased personalization, there is also a greater need for being able to trust decision-making and action taking capabilities of these…

Information Retrieval · Computer Science 2025-04-10 Chirag Shah , Hideo Joho , Kirandeep Kaur , Preetam Prabhu Srikar Dammu

Recommender systems are essential components of many online platforms, yet traditional approaches still struggle with understanding complex user preferences and providing explainable recommendations. The emergence of Large Language Model…

Information Retrieval · Computer Science 2025-03-05 Qiyao Peng , Hongtao Liu , Hua Huang , Qing Yang , Minglai Shao

Future prediction is a complex task for LLM agents, requiring a high level of analytical thinking, information gathering, contextual understanding, and decision-making under uncertainty. Agents must not only gather and interpret vast…

The integration of Large Language Models (LLMs) into recommender systems has enabled zero-shot, personality-based personalization through prompt-based interactions, offering a new paradigm for user-centric recommendations. However,…

Computers and Society · Computer Science 2025-09-12 Chandan Kumar Sah

Traditional recommender systems usually take the user-platform paradigm, where users are directly exposed under the control of the platform's recommendation algorithms. However, the defect of recommendation algorithms may put users in very…

Computation and Language · Computer Science 2025-06-02 Wujiang Xu , Yunxiao Shi , Zujie Liang , Xuying Ning , Kai Mei , Kun Wang , Xi Zhu , Min Xu , Yongfeng Zhang

Large Language Model (LLM)-based agent simulation has emerged as a promising approach to meet the increasing demand for real-time and rigorous evaluation in modern recommender systems. A typical LLM-driven simulation framework comprises…

Information Retrieval · Computer Science 2026-05-14 Xinye Wanyan , Chenglong Ma , Danula Hettiachchi , Ziqi Xu , Jeffrey Chan

Web agents have emerged as a promising direction to automate Web task completion based on user instructions, significantly enhancing user experience. Recently, Web agents have evolved from traditional agents to Large Language Models…

Computation and Language · Computer Science 2025-03-25 Hongru Cai , Yongqi Li , Wenjie Wang , Fengbin Zhu , Xiaoyu Shen , Wenjie Li , Tat-Seng Chua

Recent advancements in Large Language Models (LLMs) demonstrate remarkable capabilities across various fields. These developments have led to more direct communication between humans and LLMs in various situations, such as social…

Computation and Language · Computer Science 2025-09-12 Yixuan Tang , Yi Yang , Ahmed Abbasi

User simulation is increasingly vital to develop and evaluate recommender systems (RSs). While Large Language Models (LLMs) offer promising avenues to simulate user behavior, they often struggle with the absence of specific task alignment…

Human-Computer Interaction · Computer Science 2026-04-20 Tianjun Wei , Huizhong Guo , Yingpeng Du , Zhu Sun , Huang Chen , Dongxia Wang , Jie Zhang

We propose a novel framework for persona-based language model system, motivated by the need for personalized AI agents that adapt to individual user preferences. In our approach, the agent embodies the user's "persona" (e.g. user profile or…

Machine Learning · Computer Science 2025-12-03 Siqi Liang , Yudi Zhang , Yue Guo