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While personalized recommender systems excel at content discovery, they frequently expose users to undesirable or discomforting information, highlighting the critical need for user-centric filtering tools. Current methods leveraging Large…

Information Retrieval · Computer Science 2026-04-21 Chi Zhang , Zhipeng Xu , Jiahao Liu , Dongsheng Li , Hansu Gu , Peng Zhang , Ning Gu , Tun Lu

Among various recommender techniques, collaborative filtering (CF) is the most successful one. And a key problem in CF is how to represent users and items. Previous works usually represent a user (an item) as a vector of latent factors…

Information Retrieval · Computer Science 2021-02-08 Gongshan He , Dongxing Zhao , Lixin Ding

Haptic technology has seen significant growth, yet a lack of awareness of existing haptic device design knowledge hinders development. This paper addresses these limitations by leveraging advancements in Large Language Models (LLMs) to…

Multimedia · Computer Science 2025-01-23 Yang Liu , Haiwei Dong , Abdulmotaleb El Saddik

Large language models (LLMs) are increasingly integrated into recommender systems, motivating recent interest in agentic and reasoning-based recommendation. However, most existing approaches still rely on fixed workflows, applying the same…

Information Retrieval · Computer Science 2026-02-12 Fuchun Li , Qian Li , Xingyu Gao , Bocheng Pan , Yang Wu , Jun Zhang , Huan Yu , Jie Jiang , Jinsheng Xiao , Hailong Shi

We propose Collab-REC, a multi-agent framework designed to counteract popularity bias and enhance diversity in tourism recommendations. In our setting, three LLM-based agents: Personalization, Popularity, and Sustainability, generate city…

Artificial Intelligence · Computer Science 2026-03-03 Ashmi Banerjee , Adithi Satish , Fitri Nur Aisyah , Wolfgang Wörndl , Yashar Deldjoo

Effective decision-making in complex systems requires synthesizing diverse perspectives to address multifaceted challenges under uncertainty. This study introduces an agentic Large Language Models (LLMs) framework for simulating decision…

Artificial Intelligence · Computer Science 2026-03-20 Antoine Dolant , Praveen Kumar

Item-based collaborative filtering (ICF) enjoys the advantages of high recommendation accuracy and ease in online penalization and thus is favored by the industrial recommender systems. ICF recommends items to a target user based on their…

Information Retrieval · Computer Science 2021-10-22 Zhiyong Cheng , Fan Liu , Shenghan Mei , Yangyang Guo , Lei Zhu , Liqiang Nie

Agentic systems enable the intelligent use of research tooling, augmenting a researcher's ability to investigate and propose novel solutions to existing problems. Within Additive Manufacturing (AM), alloy selection and evaluation remains a…

Artificial Intelligence · Computer Science 2026-01-27 Peter Pak , Achuth Chandrasekhar , Amir Barati Farimani

In recommender systems, various latent confounding factors (e.g., user social environment and item public attractiveness) can affect user behavior, item exposure, and feedback in distinct ways. These factors may directly or indirectly…

Information Retrieval · Computer Science 2025-10-28 Zhirong Huang , Shichao Zhang , Debo Cheng , Jiuyong Li , Lin Liu , Guixian Zhang

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

In this Letter, we introduce a modified collaborative filtering (MCF) algorithm, which has remarkably higher accuracy than the standard collaborative filtering. In the MCF, instead of the standard Pearson coefficient, the user-user…

Data Analysis, Statistics and Probability · Physics 2015-05-13 Jian-Guo Liu , Tao Zhou , Bing-Hong Wang , Yi-Cheng Zhang

The new kind of Agent-oriented information system, exemplified by GPTs, urges us to inspect the information system infrastructure to support Agent-level information processing and to adapt to the characteristics of Large Language Model…

Information Retrieval · Computer Science 2024-03-06 Jizhi Zhang , Keqin Bao , Wenjie Wang , Yang Zhang , Wentao Shi , Wanhong Xu , Fuli Feng , Tat-Seng Chua

Recommendation Systems apply Information Retrieval techniques to select the online information relevant to a given user. Collaborative Filtering is currently most widely used approach to build Recommendation System. CF techniques uses the…

Information Retrieval · Computer Science 2015-03-26 Dheeraj kumar Bokde , Sheetal Girase , Debajyoti Mukhopadhyay

Collaborative Filtering is largely applied to personalize item recommendation but its performance is affected by the sparsity of rating data. In order to address this issue, recent systems have been developed to improve recommendation by…

Information Retrieval · Computer Science 2020-03-31 Noemi Mauro , Liliana Ardissono

The rise of Agentic applications and automation in the Voice AI industry has led to an increased reliance on Large Language Models (LLMs) to navigate graph-based logic workflows composed of nodes and edges. However, existing methods face…

Artificial Intelligence · Computer Science 2025-03-11 Alex Casella , Wayne Wang

Recent research has explored using Large Language Models for recommendation tasks by transforming user interaction histories and item metadata into text prompts, then having the LLM produce rankings or recommendations. A promising approach…

Information Retrieval · Computer Science 2025-10-03 Bo Ma , LuYao Liu , Simon Lau , Chandler Yuan , and XueY Cui , Rosie Zhang

Fashion recommender systems (FaRS) face distinct challenges due to rapid trend shifts, nuanced user preferences, intricate item-item compatibility, and the complex interplay among consumers, brands, and influencers. Traditional…

Information Retrieval · Computer Science 2025-08-05 Yashar Deldjoo , Nima Rafiee , Mahdyar Ravanbakhsh

Recently, recommender systems play a pivotal role in alleviating the problem of information overload. Latent factor models have been widely used for recommendation. Most existing latent factor models mainly utilize the interaction…

Information Retrieval · Computer Science 2019-09-17 Chuan Shi , Xiaotian Han , Li Song , Xiao Wang , Senzhang Wang , Junping Du , Philip S. Yu

Medical decision-making often involves integrating knowledge from multiple clinical specialties, typically achieved through multidisciplinary teams. Inspired by this collaborative process, recent work has leveraged large language models…

Artificial Intelligence · Computer Science 2025-09-19 Xiao Wu , Ting-Zhu Huang , Liang-Jian Deng , Yanyuan Qiao , Imran Razzak , Yutong Xie

Recommender systems filter contents/items valuable to users by inferring preferences from user features and historical behaviors. Mainstream approaches follow the learning-to-rank paradigm, which focus on discovering and modeling item…