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A common approach to personalization in large language models (LLMs) is to incorporate a subset of the user memory into the prompt at inference time to guide the model's generation. Existing methods select these subsets primarily using…

Artificial Intelligence · Computer Science 2026-04-17 Jillian Fisher , Jennifer Neville , Chan Young Park

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

As e-commerce platforms expand their product catalogs, accurately recommending long-tail items becomes increasingly important for enhancing both user experience and platform revenue. A key challenge is the long-tail problem, where extreme…

Information Retrieval · Computer Science 2025-06-10 Qingyi Lu , Haotian Lyu , Jiayun Zheng , Yang Wang , Li Zhang , Chengrui Zhou

Sequential Recommendation (SR) task involves predicting the next item a user is likely to interact with, given their past interactions. The SR models examine the sequence of a user's actions to discern more complex behavioral patterns and…

Information Retrieval · Computer Science 2025-04-22 Wujiang Xu , Qitian Wu , Zujie Liang , Jiaojiao Han , Xuying Ning , Yunxiao Shi , Wenfang Lin , Yongfeng Zhang

Large language models (LLMs) are increasingly used in social science simulations. While their performance on reasoning and optimization tasks has been extensively evaluated, less attention has been paid to their ability to simulate human…

Computational Engineering, Finance, and Science · Computer Science 2025-08-25 Yuanjun Feng , Vivek Choudhary , Yash Raj Shrestha

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

In sequential recommendation, models recommend items based on user's interaction history. To this end, current models usually incorporate information such as item descriptions and user intent or preferences. User preferences are usually not…

Usability is a key factor in the effectiveness of recommender systems. However, the analysis of user interfaces is a time-consuming process that requires expertise. Recent advances in multimodal large language models (LLMs) offer promising…

Human-Computer Interaction · Computer Science 2025-11-19 Sebastian Lubos , Alexander Felfernig , Damian Garber , Viet-Man Le , Thi Ngoc Trang Tran

Recommender systems have seen significant advancements with the influence of deep learning and graph neural networks, particularly in capturing complex user-item relationships. However, these graph-based recommenders heavily depend on…

Information Retrieval · Computer Science 2024-12-12 Xubin Ren , Wei Wei , Lianghao Xia , Lixin Su , Suqi Cheng , Junfeng Wang , Dawei Yin , Chao Huang

Large-language Models (LLMs) have been extremely successful at tasks like complex dialogue understanding, reasoning and coding due to their emergent abilities. These emergent abilities have been extended with multi-modality to include…

Information Retrieval · Computer Science 2025-05-19 Li Yang , Anushya Subbiah , Hardik Patel , Judith Yue Li , Yanwei Song , Reza Mirghaderi , Vikram Aggarwal , Qifan Wang

Recent advances in Large Language Models (LLMs) have demonstrated significant potential in the field of Recommendation Systems (RSs). Most existing studies have focused on converting user behavior logs into textual prompts and leveraging…

Information Retrieval · Computer Science 2025-01-14 Yuyang Ye , Zhi Zheng , Yishan Shen , Tianshu Wang , Hengruo Zhang , Peijun Zhu , Runlong Yu , Kai Zhang , Hui Xiong

Large language models (LLMs) have demonstrated remarkable capabilities in handling complex dialogue tasks without requiring use case-specific fine-tuning. However, analyzing live dialogues in real-time necessitates low-latency processing…

Computation and Language · Computer Science 2025-03-10 Xuanqing Liu , Luyang Kong , Wei Niu , Afshin Khashei , Belinda Zeng , Steve Johnson , Jon Jay , Davor Golac , Matt Pope

Recent advancements in Recommender Systems (RS) have incorporated Reinforcement Learning (RL), framing the recommendation as a Markov Decision Process (MDP). However, offline RL policies trained on static user data are vulnerable to…

Information Retrieval · Computer Science 2025-01-24 Jie Wang , Alexandros Karatzoglou , Ioannis Arapakis , Joemon M. Jose

While large language models (LLMs) have proven effective in leveraging textual data for recommendations, their application to multimodal recommendation tasks remains relatively underexplored. Although LLMs can process multimodal information…

Information Retrieval · Computer Science 2025-04-23 Chen Zhang , Bo Hu , Weidong Chen , Zhendong Mao

Large Language Models (LLMs) are increasingly serving as personal assistants, where users share complex and diverse preferences over extended interactions. However, assessing how well LLMs can follow these preferences in realistic,…

Artificial Intelligence · Computer Science 2026-03-05 Qianyun Guo , Yibo Li , Yue Liu , Bryan Hooi

With the rise of large language models (LLMs), recent works have leveraged LLMs to improve the performance of click-through rate (CTR) prediction. However, we argue that a critical obstacle remains in deploying LLMs for practical use: the…

Information Retrieval · Computer Science 2024-03-29 Binzong Geng , Zhaoxin Huan , Xiaolu Zhang , Yong He , Liang Zhang , Fajie Yuan , Jun Zhou , Linjian Mo

Intent-aware session recommendation (ISR) is pivotal in discerning user intents within sessions for precise predictions. Traditional approaches, however, face limitations due to their presumption of a uniform number of intents across all…

Computation and Language · Computer Science 2024-08-29 Zhu Sun , Hongyang Liu , Xinghua Qu , Kaidong Feng , Yan Wang , Yew-Soon Ong

Large language models (LLMs) have achieved remarkable progress in the field of natural language processing (NLP), demonstrating remarkable abilities in producing text that resembles human language for various tasks. This opens up new…

Information Retrieval · Computer Science 2024-06-05 Jianghao Lin , Xinyi Dai , Rong Shan , Bo Chen , Ruiming Tang , Yong Yu , Weinan Zhang

In the era of information overload, recommendation systems play a pivotal role in filtering data and delivering personalized content. Recent advancements in feature interaction and user behavior modeling have significantly enhanced the…

Information Retrieval · Computer Science 2025-02-20 Hao Wang , Wei Guo , Luankang Zhang , Jin Yao Chin , Yufei Ye , Huifeng Guo , Yong Liu , Defu Lian , Ruiming Tang , Enhong Chen

Conversational Recommender System (CRS) interacts with users through natural language to understand their preferences and provide personalized recommendations in real-time. CRS has demonstrated significant potential, prompting researchers…

Artificial Intelligence · Computer Science 2024-03-26 Lixi Zhu , Xiaowen Huang , Jitao Sang