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Large language models (LLMs) have been successfully adapted for interactive decision-making tasks like web navigation. While achieving decent performance, previous methods implicitly assume a forward-only execution mode for the model, where…

Computation and Language · Computer Science 2024-02-22 Kaixin Ma , Hongming Zhang , Hongwei Wang , Xiaoman Pan , Wenhao Yu , Dong Yu

Large language models (LLMs) are revolutionizing education, with LLM-based agents playing a key role in simulating student behavior. A major challenge in student simulation is modeling the diverse learning patterns of students at various…

Machine Learning · Computer Science 2025-08-12 Tao Wu , Jingyuan Chen , Wang Lin , Mengze Li , Yumeng Zhu , Ang Li , Kun Kuang , Fei Wu

We present ShoppingComp, a challenging real-world benchmark for comprehensively evaluating LLM-powered shopping agents on three core capabilities: precise product retrieval, expert-level report generation, and safety critical decision…

Computation and Language · Computer Science 2026-02-10 Huaixiao Tou , Ying Zeng , Yuemeng Li , Cong Ma , Muzhi Li , Minghao Li , Weijie Yuan , He Zhang , Kai Jia

Data marketplaces, which mediate the purchase and exchange of data from third parties, have attracted growing attention for reducing the cost and effort of data collection while enabling the trading of diverse datasets. However, a…

Multiagent Systems · Computer Science 2025-11-18 Jun Sashihara , Yukihisa Fujita , Kota Nakamura , Masahiro Kuwahara , Teruaki Hayashi

As customer demand for multi-variety and small-batch production increases, dynamic disturbances place greater demands on manufacturing systems. To address such challenges, researchers proposed the multi-agent manufacturing system. However,…

Artificial Intelligence · Computer Science 2025-09-23 Zhen Zhao , Dunbing Tang , Changchun Liu , Liping Wang , Zequn Zhang , Haihua Zhu , Kai Chen , Qingwei Nie , Yuchen Ji

The believable simulation of multi-user behavior is crucial for understanding complex social systems. Recently, large language models (LLMs)-based AI agents have made significant progress, enabling them to achieve human-like intelligence…

Artificial Intelligence · Computer Science 2024-12-16 Yijun Liu , Wu Liu , Xiaoyan Gu , Yong Rui , Xiaodong He , Yongdong Zhang

This study deeply explores the application of large language model (LLM) in personalized recommendation system of e-commerce. Aiming at the limitations of traditional recommendation algorithms in processing large-scale and multi-dimensional…

Information Retrieval · Computer Science 2024-10-18 Wei Xu , Jue Xiao , Jianlong Chen

Due to the advantages in the cost-efficiency and reproducibility, user simulation has become a promising solution to the user-centric evaluation of information retrieval systems. Nonetheless, accurately simulating user search behaviors has…

Information Retrieval · Computer Science 2024-10-30 Erhan Zhang , Xingzhu Wang , Peiyuan Gong , Yankai Lin , Jiaxin Mao

Requirements elicitation, a critical, yet time-consuming and challenging step in product development, often fails to capture the full spectrum of user needs. This may lead to products that fall short of expectations. This paper introduces a…

Human-Computer Interaction · Computer Science 2024-04-26 Mohammadmehdi Ataei , Hyunmin Cheong , Daniele Grandi , Ye Wang , Nigel Morris , Alexander Tessier

Digital assistants have become ubiquitous in e-commerce applications, following the recent advancements in Information Retrieval (IR), Natural Language Processing (NLP) and Generative Artificial Intelligence (AI). However, customers are…

Computation and Language · Computer Science 2024-05-06 Nikhita Vedula , Oleg Rokhlenko , Shervin Malmasi

Agents equipped with search tools have emerged as effective solutions for knowledge-intensive tasks. While Large Language Models (LLMs) exhibit strong reasoning capabilities, their high computational cost limits practical deployment for…

Artificial Intelligence · Computer Science 2026-04-07 Yizhou Liu , Qi Sun , Yulin Chen , Siyue Zhang , Chen Zhao

Recent advancements in large language models (LLMs) have brought significant changes to various domains, especially through LLM-driven autonomous agents. A representative scenario is in software development, where LLM agents demonstrate…

Computation and Language · Computer Science 2024-06-06 Chen Qian , Yufan Dang , Jiahao Li , Wei Liu , Zihao Xie , Yifei Wang , Weize Chen , Cheng Yang , Xin Cong , Xiaoyin Che , Zhiyuan Liu , Maosong Sun

The advancement of Large Language Models (LLMs) has led to significant improvements in various service domains, including search, recommendation, and chatbot applications. However, applying state-of-the-art (SOTA) research to industrial…

Computation and Language · Computer Science 2025-05-30 Chiwan Park , Wonjun Jang , Daeryong Kim , Aelim Ahn , Kichang Yang , Woosung Hwang , Jihyeon Roh , Hyerin Park , Hyosun Wang , Min Seok Kim , Jihoon Kang

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

Large Language Models (LLMs) excel on general-purpose NLP benchmarks, yet their capabilities in specialized domains remain underexplored. In e-commerce, existing evaluations-such as EcomInstruct, ChineseEcomQA, eCeLLM, and Shopping…

Artificial Intelligence · Computer Science 2025-10-24 Shuyi Xie , Ziqin Liew , Hailing Zhang , Haibo Zhang , Ling Hu , Zhiqiang Zhou , Shuman Liu , Anxiang Zeng

Large Language Model (LLM)-based agents have achieved notable success on short-horizon and highly structured tasks. However, their ability to maintain coherent decision-making over long horizons in realistic and dynamic environments remains…

Artificial Intelligence · Computer Science 2026-03-18 Linghua Zhang , Jun Wang , Jingtong Wu , Zhisong Zhang

Reinforcement learning (RL) has demonstrated strong potential in training large language models (LLMs) capable of complex reasoning for real-world problem solving. More recently, RL has been leveraged to create sophisticated LLM-based…

Computation and Language · Computer Science 2025-05-22 Bowen Jin , Jinsung Yoon , Priyanka Kargupta , Sercan O. Arik , Jiawei Han

User simulators can rapidly generate a large volume of timely user behavior data, providing a testing platform for reinforcement learning-based recommender systems, thus accelerating their iteration and optimization. However, prevalent user…

Information Retrieval · Computer Science 2024-12-24 Zijian Zhang , Shuchang Liu , Ziru Liu , Rui Zhong , Qingpeng Cai , Xiangyu Zhao , Chunxu Zhang , Qidong Liu , Peng Jiang

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

The emergence of Large Language Models (LLMs) has revolutionized natural language processing in various applications especially in e-commerce. One crucial step before the application of such LLMs in these fields is to understand and compare…

Computation and Language · Computer Science 2024-08-26 Chester Palen-Michel , Ruixiang Wang , Yipeng Zhang , David Yu , Canran Xu , Zhe Wu