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Related papers: PersonaAct: Simulating Short-Video Users with Pers…

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Personalized AI agents are becoming central to modern information retrieval, yet most evaluation methodologies remain static, relying on fixed benchmarks and one-off metrics that fail to reflect how users' needs evolve over time. These…

Information Retrieval · Computer Science 2025-10-07 Kirandeep Kaur , Preetam Prabhu Srikar Dammu , Hideo Joho , Chirag Shah

Interactive humanoid video generation aims to synthesize lifelike visual agents that can engage with humans through continuous and responsive video. Despite recent advances in video synthesis, existing methods often grapple with the…

Trends on short-video platforms evolve at a rapid pace, with new content issues emerging every day that fall outside the coverage of existing annotation policies. However, traditional human-driven discovery of emerging issues is too slow,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Chenghui Yu , Hongwei Wang , Junwen Chen , Zixuan Wang , Bingfeng Deng , Zhuolin Hao , Hongyu Xiong , Yang Song

Training and education in human-centered fields require authentic practice, yet realistic simulations of human behavior have remained limited. We present a multi-agent psychological simulation system that models internal cognitive-affective…

Artificial Intelligence · Computer Science 2025-11-05 Xiangen Hu , Jiarui Tong , Sheng Xu

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

Simulating high quality user behavior data has always been a fundamental problem in human-centered applications, where the major difficulty originates from the intricate mechanism of human decision process. Recently, substantial evidences…

Information Retrieval · Computer Science 2024-02-16 Lei Wang , Jingsen Zhang , Hao Yang , Zhiyuan Chen , Jiakai Tang , Zeyu Zhang , Xu Chen , Yankai Lin , Ruihua Song , Wayne Xin Zhao , Jun Xu , Zhicheng Dou , Jun Wang , Ji-Rong Wen

Evaluating AI systems that interact with humans requires understanding their behavior across diverse user populations, but collecting representative human data is often expensive or infeasible, particularly for novel technologies or…

Artificial Intelligence · Computer Science 2026-05-27 Davide Paglieri , Logan Cross , William A. Cunningham , Joel Z. Leibo , Alexander Sasha Vezhnevets

A/B testing is a standard method for validating design decisions, yet its reliance on real user traffic limits iteration speed and makes certain experiments impractical. We present SimAB, a system that reframes A/B testing as a fast,…

We explore the task of improving persona consistency of dialogue agents. Recent models tackling consistency often train with additional Natural Language Inference (NLI) labels or attach trained extra modules to the generative agent for…

Computation and Language · Computer Science 2020-10-07 Hyunwoo Kim , Byeongchang Kim , Gunhee Kim

Short-video applications have attracted substantial user traffic. However, these platforms also foster problematic usage patterns, commonly referred to as short-video addiction, which pose risks to both user health and the sustainable…

Information Retrieval · Computer Science 2026-01-23 Chen Xu , Zhipeng Yi , Ruizi Wang , Wenjie Wang , Jun Xu , Maarten de Rijke

Existing Large Language Model (LLM) agents struggle in interactive environments requiring long-horizon planning, primarily due to compounding errors when simulating future states. To address this, we propose ProAct, a framework that enables…

Artificial Intelligence · Computer Science 2026-02-06 Yangbin Yu , Mingyu Yang , Junyou Li , Yiming Gao , Feiyu Liu , Yijun Yang , Zichuan Lin , Jiafei Lyu , Yicheng Liu , Zhicong Lu , Deheng Ye , Jie Jiang

We address the problem of accurate capture of interactive behaviors between two people in daily scenarios. Most previous works either only consider one person or solely focus on conversational gestures of two people, assuming the body…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Leo Ho , Yinghao Huang , Dafei Qin , Mingyi Shi , Wangpok Tse , Wei Liu , Junichi Yamagishi , Taku Komura

Large language models (LLMs) are increasingly used as simulated participants in social science experiments, but their behavior is often unstable and highly sensitive to design choices. Prior evaluations frequently conflate base-model…

Artificial Intelligence · Computer Science 2026-02-03 Xuan Liu , Haoyang Shang , Zizhang Liu , Xinyan Liu , Yunze Xiao , Yiwen Tu , Haojian Jin

Owing to powerful natural language processing and generative capabilities, large language model (LLM) agents have emerged as a promising solution for enhancing recommendation systems via user simulation. However, in the realm of video…

Multimedia · Computer Science 2025-07-04 Siran Chen , Boyu Chen , Chenyun Yu , Yuxiao Luo , Ouyang Yi , Lei Cheng , Chengxiang Zhuo , Zang Li , Yali Wang

While valuable datasets such as PersonaChat provide a foundation for training persona-grounded dialogue agents, they lack diversity in conversational and narrative settings, primarily existing in the "real" world. To develop dialogue agents…

Computation and Language · Computer Science 2024-01-15 Alexandra DeLucia , Mengjie Zhao , Yoshinori Maeda , Makoto Yoda , Keiichi Yamada , Hiromi Wakaki

Static benchmarks for harmful content detection face limitations in scalability and diversity, and may also be affected by contamination from web-scale pre-training corpora. To address these issues, we propose a framework for synthesizing…

Computation and Language · Computer Science 2026-04-21 Huije Lee , Jisu Shin , Hoyun Song , Changgeon Ko , Jong C. Park

Large language models have advanced web agents, yet current agents lack personalization capabilities. Since users rarely specify every detail of their intent, practical web agents must be able to interpret ambiguous queries by inferring…

Computation and Language · Computer Science 2026-05-28 Serin Kim , Sangam Lee , Dongha Lee

The surging demand for adapting long-form cinematic content into short videos has motivated the need for versatile automatic video compilation systems. However, existing compilation methods are limited to predefined tasks, and the community…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Peixuan Zhang , Chang Zhou , Ziyuan Zhang , Hualuo Liu , Chunjie Zhang , Jingqi Liu , Xiaohui Zhou , Xi Chen , Shuchen Weng , Si Li , Boxin Shi

The progression to "Pervasive Augmented Reality" envisions easy access to multimodal information continuously. However, in many everyday scenarios, users are occupied physically, cognitively or socially. This may increase the friction to…

Human-Computer Interaction · Computer Science 2024-05-08 Jiahao Nick Li , Yan Xu , Tovi Grossman , Stephanie Santosa , Michelle Li

The rapid advancement of large language models (LLMs) has accelerated progress toward universal AI assistants. However, existing benchmarks for personalized assistants remain misaligned with real-world user-assistant interactions, failing…

Computation and Language · Computer Science 2026-03-13 Feiyu Duan , Xuanjing Huang , Zhongyu Wei