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The emergence of agentic recommender systems powered by Large Language Models (LLMs) represents a paradigm shift in personalized recommendations, leveraging LLMs' advanced reasoning and role-playing capabilities to enable autonomous,…

Information Retrieval · Computer Science 2025-05-29 Yu Shang , Peijie Liu , Yuwei Yan , Zijing Wu , Leheng Sheng , Yuanqing Yu , Chumeng Jiang , An Zhang , Fengli Xu , Yu Wang , Min Zhang , Yong Li

A long-standing challenge in developing accurate recommendation models is simulating user behavior, mainly due to the complex and stochastic nature of user interactions. Towards this, one promising line of work has been the use of Large…

Information Retrieval · Computer Science 2025-09-15 Himanshu Thakur , Eshani Agrawal , Smruthi Mukund

In e-commerce, behavioral data is collected for decision making which can be costly and slow. Simulation with LLM powered agents is emerging as a promising alternative for representing human population behavior. However, LLMs are known to…

Artificial Intelligence · Computer Science 2025-04-01 Saab Mansour , Leonardo Perelli , Lorenzo Mainetti , George Davidson , Stefano D'Amato

Proactive agents that anticipate user intentions without explicit prompts represent a significant evolution in human-AI interaction, promising to reduce cognitive load and streamline workflows. However, existing datasets suffer from two…

Human-Computer Interaction · Computer Science 2026-02-11 Yuanbo Tang , Huaze Tang , Tingyu Cao , Lam Nguyen , Anping Zhang , Xinwen Cao , Chunkang Liu , Wenbo Ding , Yang Li

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

Agent-based social simulation provides a valuable methodology for predicting social information diffusion, yet existing approaches face two primary limitations. Traditional agent models often rely on rigid behavioral rules and lack semantic…

Computers and Society · Computer Science 2025-10-21 Xinyi Li , Zhiqiang Guo , Qinglang Guo , Hao Jin , Weizhi Ma , Min Zhang

With ChatGPT-like large language models (LLM) prevailing in the community, how to evaluate the ability of LLMs is an open question. Existing evaluation methods suffer from following shortcomings: (1) constrained evaluation abilities, (2)…

Artificial Intelligence · Computer Science 2023-08-09 Jiaju Lin , Haoran Zhao , Aochi Zhang , Yiting Wu , Huqiuyue Ping , Qin Chen

Large language models (LLMs) have evolved into interactive agents that collaborate with users in real-world tasks. Effective collaboration in such settings increasingly depends on understanding the user beyond what is explicitly stated, as…

Artificial Intelligence · Computer Science 2026-05-27 Yuxin Chen , Yi Zhang , Zhengzhou Cai , Yaorui Shi , Zhiyuan Yao , Chenhang Cui , Jingnan Zheng , Yaqi Huo , Xi Su , Qi Gu , Xunliang Cai , Xiang Wang , An Zhang , Tat-Seng Chua

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

Effort estimation is a crucial activity in agile software development, where teams collaboratively review, discuss, and estimate the effort required to complete user stories in a product backlog. Current practices in agile effort estimation…

Software Engineering · Computer Science 2025-09-19 Thanh-Long Bui , Hoa Khanh Dam , Rashina Hoda

Language model (LM) agents have demonstrated significant potential for automating real-world tasks, yet they pose a diverse array of potential, severe risks in safety-critical scenarios. In this work, we identify a significant gap between…

Artificial Intelligence · Computer Science 2025-08-20 Yuzhi Tang , Tianxiao Li , Elizabeth Li , Chris J. Maddison , Honghua Dong , Yangjun Ruan

Large Language Model (LLM) Agents are advancing quickly, with the increasing leveraging of LLM Agents to assist in development tasks such as code generation. While LLM Agents accelerate code generation, studies indicate they may introduce…

Software Engineering · Computer Science 2026-01-30 Haoming Huang , Pongchai Jaisri , Shota Shimizu , Lingfeng Chen , Sota Nakashima , Gema Rodríguez-Pérez

Ensuring that large language models (LLMs) reflect diverse user values and preferences is crucial as their user bases expand globally. It is therefore encouraging to see the growing interest in LLM personalization within the research…

Computation and Language · Computer Science 2024-06-18 Yijiang River Dong , Tiancheng Hu , Nigel Collier

User simulators are increasingly leveraged to build interactive AI assistants, yet how to measure the quality of these simulators remains an open question. In this work, we show how simulator quality can be quantified in terms of its…

Computation and Language · Computer Science 2026-05-12 Joseph Suh , Ayush Raj , Minwoo Kang , Serina Chang

While state-of-the-art large language models (LLMs) have shown impressive performance on many tasks, there has been extensive research on undesirable model behavior such as hallucinations and bias. In this work, we investigate how the…

Computation and Language · Computer Science 2025-11-07 Elinor Poole-Dayan , Deb Roy , Jad Kabbara

LLM-based agents are rapidly being adopted for scientific data analysis, automating tasks once limited by human time and expertise. This capability is often framed as an acceleration of discovery, but it also accelerates a familiar failure…

Artificial Intelligence · Computer Science 2026-05-21 Dionizije Fa , Marko Culjak

The rapid development of Large Language Models (LLMs) has led to a surge in applications that facilitate collaboration among multiple agents, assisting humans in their daily tasks. However, a significant gap remains in assessing to what…

Computation and Language · Computer Science 2024-05-14 Negar Arabzadeh , Siqing Huo , Nikhil Mehta , Qinqyun Wu , Chi Wang , Ahmed Awadallah , Charles L. A. Clarke , Julia Kiseleva

Despite the utility of Large Language Models (LLMs) across a wide range of tasks and scenarios, developing a method for reliably evaluating LLMs across varied contexts continues to be challenging. Modern evaluation approaches often use LLMs…

Computation and Language · Computer Science 2024-01-31 Steffi Chern , Ethan Chern , Graham Neubig , Pengfei Liu

We introduce a dynamic benchmarking system for conversational agents that evaluates their performance through a single, simulated, and lengthy user$\leftrightarrow$agent interaction. The interaction is a conversation between the user and…

Computation and Language · Computer Science 2024-10-14 David Castillo-Bolado , Joseph Davidson , Finlay Gray , Marek Rosa

Agent-Based Modelling (ABM) has emerged as an essential tool for simulating social networks, encompassing diverse phenomena such as information dissemination, influence dynamics, and community formation. However, manually configuring varied…