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Related papers: Tree of Preferences for Diversified Recommendation

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In recommendation systems, diversity and novelty are essential for capturing varied user preferences and encouraging exploration, yet many systems prioritize click relevance. While reinforcement learning (RL) has been explored to improve…

Machine Learning · Computer Science 2025-07-30 Jiin Woo , Alireza Bagheri Garakani , Tianchen Zhou , Zhishen Huang , Yan Gao

In recommender systems, the user-item interaction data is usually sparse and not sufficient for learning comprehensive user/item representations for recommendation. To address this problem, we propose a novel dual-bridging recommendation…

Information Retrieval · Computer Science 2019-10-17 Jingwei Ma , Jiahui Wen , Mingyang Zhong , Liangchen Liu , Chaojie Li , Weitong Chen , Yin Yang , Honghui Tu , Xue Li

Large language models (LLMs) have shown impressive capabilities in natural language understanding and generation. Their potential for deeper user understanding and improved personalized user experience on recommendation platforms is,…

Most existing personalization systems promote items that match a user's previous choices or those that are popular among similar users. This results in recommendations that are highly similar to the ones users are already exposed to,…

Social and Information Networks · Computer Science 2021-02-26 Bibek Paudel , Abraham Bernstein

The rise of large language models (LLMs) has made natural language-driven route planning an emerging research area that encompasses rich user objectives. Current research exhibits two distinct approaches: direct route planning using…

Artificial Intelligence · Computer Science 2025-09-17 Liangqi Yuan , Dong-Jun Han , Christopher G. Brinton , Sabine Brunswicker

The remarkable text understanding and generation capabilities of large language models (LLMs) have revitalized the field of general recommendation based on implicit user feedback. Rather than deploying LLMs directly as recommendation…

Information Retrieval · Computer Science 2026-04-30 Yi Zhang , Yiwen Zhang , Kai Zheng , Tong Chen , Hongzhi Yin

Recommender systems leverage both content and user interactions to generate recommendations that fit users' preferences. The recent surge of interest in deep learning presents new opportunities for exploiting these two sources of…

Information Retrieval · Computer Science 2016-08-23 Jeroen B. P. Vuurens , Martha Larson , Arjen P. de Vries

For better user satisfaction and business effectiveness, more and more attention has been paid to the sequence-based recommendation system, which is used to infer the evolution of users' dynamic preferences, and recent studies have noticed…

Information Retrieval · Computer Science 2021-07-15 Zhi Bian , Shaojun Zhou , Hao Fu , Qihong Yang , Zhenqi Sun , Junjie Tang , Guiquan Liu , Kaikui Liu , Xiaolong Li

In the domain of complex reasoning tasks, such as mathematical reasoning, recent advancements have proposed the use of Direct Preference Optimization (DPO) to suppress output of dispreferred responses, thereby enhancing the long-chain…

Computation and Language · Computer Science 2025-10-27 Weibin Liao , Xu Chu , Yasha Wang

Recommender systems often struggle to strike a balance between matching users' tastes and providing unexpected recommendations. When recommendations are too narrow and fail to cover the full range of users' preferences, the system is…

Human-Computer Interaction · Computer Science 2023-10-10 Ruixuan Sun , Avinash Akella , Ruoyan Kong , Moyan Zhou , Joseph A. Konstan

Recommender systems are effective tools for mitigating information overload and have seen extensive applications across various domains. However, the single focus on utility goals proves to be inadequate in addressing real-world concerns,…

Information Retrieval · Computer Science 2024-03-05 Yuying Zhao , Yu Wang , Yunchao Liu , Xueqi Cheng , Charu Aggarwal , Tyler Derr

In practical recommendation scenarios, users often interact with items under multi-typed behaviors (e.g., click, add-to-cart, and purchase). Traditional collaborative filtering techniques typically assume that users only have a single type…

Information Retrieval · Computer Science 2023-02-14 Chi Zhang , Rui Chen , Xiangyu Zhao , Qilong Han , Li Li

Due to the lack of explicit reasoning modeling, existing LLM-powered recommendations fail to leverage LLMs' reasoning capabilities effectively. In this paper, we propose a pipeline called CoT-Rec, which integrates two key Chain-of-Thought…

Information Retrieval · Computer Science 2025-04-21 Jiahao Liu , Xueshuo Yan , Dongsheng Li , Guangping Zhang , Hansu Gu , Peng Zhang , Tun Lu , Li Shang , Ning Gu

Large Language Models (LLMs) have shown significant potential for improving recommendation systems through their inherent reasoning capabilities and extensive knowledge base. Yet, existing studies predominantly address warm-start scenarios…

Information Retrieval · Computer Science 2026-01-26 Shijun Li , Yu Wang , Jin Wang , Ying Li , Joydeep Ghosh , Anne Cocos

Exploration is essential to improve long-term recommendation quality, but it often degrades short-term business performance, especially in remote-first TV environments where users engage passively, expect instant relevance, and offer few…

Information Retrieval · Computer Science 2025-12-18 Qiang Chen , Venkatesh Ganapati Hegde

While machine-learning models are flourishing and transforming many aspects of everyday life, the inability of humans to understand complex models poses difficulties for these models to be fully trusted and embraced. Thus, interpretability…

Artificial Intelligence · Computer Science 2020-06-18 Guangyi Zhang , Aristides Gionis

Recommendation systems are ubiquitous, from Spotify playlist suggestions to Amazon product suggestions. Nevertheless, depending on the methodology or the dataset, these systems typically fail to capture user preferences and generate general…

Information Retrieval · Computer Science 2024-01-15 Angela John , Theophilus Aidoo , Hamayoon Behmanush , Irem B. Gunduz , Hewan Shrestha , Maxx Richard Rahman , Wolfgang Maaß

Recommender systems have rapidly evolved and become integral to many online services. However, existing systems sometimes produce unstable and unsatisfactory recommendations that fail to align with users' fundamental and long-term…

Information Retrieval · Computer Science 2025-05-05 Lijian Chen , Wei Yuan , Tong Chen , Xiangyu Zhao , Nguyen Quoc Viet Hung , Hongzhi Yin

With the advent of the information explosion era, the importance of recommendation systems in various applications is increasingly significant. Traditional collaborative filtering algorithms are widely used due to their effectiveness in…

Artificial Intelligence · Computer Science 2024-12-30 Xueting Lin , Zhan Cheng , Longfei Yun , Qingyi Lu , Yuanshuai Luo

Recent years have witnessed a surge of research on leveraging large language models (LLMs) for sequential recommendation. LLMs have demonstrated remarkable potential in inferring users' nuanced preferences through fine-grained semantic…

Information Retrieval · Computer Science 2025-10-14 Yu Cui , Feng Liu , Jiawei Chen , Canghong Jin , Xingyu Lou , Changwang Zhang , Jun Wang , Yuegang Sun , Can Wang