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Related papers: LLM Reasoning for Cold-Start Item Recommendation

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In real-world streaming recommender systems, user preferences evolve dynamically over time. Existing bandit-based methods treat time merely as a timestamp, neglecting its explicit relationship with user preferences and leading to suboptimal…

Machine Learning · Computer Science 2026-02-10 Chenglei Shen , Yi Zhan , Weijie Yu , Xiao Zhang , Jun Xu

Large Language Models (LLMs) have shown remarkable capabilities in general natural language processing tasks but often fall short in complex reasoning tasks. Recent studies have explored human-like problem-solving strategies, such as…

Computation and Language · Computer Science 2023-12-19 Zhenran Xu , Senbao Shi , Baotian Hu , Jindi Yu , Dongfang Li , Min Zhang , Yuxiang Wu

Large Language Model (LLM) has transformative potential in various domains, including recommender systems (RS). There have been a handful of research that focuses on empowering the RS by LLM. However, previous efforts mainly focus on LLM as…

Information Retrieval · Computer Science 2025-03-11 Qidong Liu , Xiangyu Zhao , Yuhao Wang , Yejing Wang , Zijian Zhang , Yuqi Sun , Xiang Li , Maolin Wang , Pengyue Jia , Chong Chen , Wei Huang , Feng Tian

Stated preference (SP) surveys are a key method to research how individuals make trade-offs in hypothetical, also futuristic, scenarios. In energy context this includes key decarbonisation enablement contexts, such as low-carbon…

Computation and Language · Computer Science 2025-08-25 Han Wang , Jacek Pawlak , Aruna Sivakumar

Recent advancements in recommendation systems have shifted towards more comprehensive and personalized recommendations by utilizing large language models (LLM). However, effectively integrating LLM's commonsense knowledge and reasoning…

Information Retrieval · Computer Science 2023-08-22 Zhixuan Chu , Hongyan Hao , Xin Ouyang , Simeng Wang , Yan Wang , Yue Shen , Jinjie Gu , Qing Cui , Longfei Li , Siqiao Xue , James Y Zhang , Sheng Li

Reward models (RMs) play a critical role in enhancing the reasoning performance of LLMs. For example, they can provide training signals to finetune LLMs during reinforcement learning (RL) and help select the best answer from multiple…

Computation and Language · Computer Science 2025-10-06 Qiyuan Liu , Hao Xu , Xuhong Chen , Wei Chen , Yee Whye Teh , Ning Miao

Large Language Models (LLMs) excel in generating personalized content and facilitating interactive dialogues, showcasing their remarkable aptitude for a myriad of applications. However, their capabilities in reasoning and providing…

Computation and Language · Computer Science 2024-02-16 Min Zhang , Sato Takumi , Jack Zhang , Jun Wang

Reasoning Large Language Models (LLMs) have shown promising results when tasked with solving complex problems. In this paper, we propose and evaluate a multi-stage workflow that leverages the capabilities of fine-tuned reasoning LLMs to…

Computation and Language · Computer Science 2026-01-13 Alberto Purpura , Emily Chen , Swapnil Shinde

Personalization is a core capability across consumer technologies, streaming, shopping, wearables, and voice, yet it remains challenged by sparse interactions, fast content churn, and heterogeneous textual signals. We present RecMind, an…

Machine Learning · Computer Science 2025-09-09 Chang Xue , Youwei Lu , Chen Yang , Jinming Xing

Most conventional recommendation methods (e.g., matrix factorization) represent user profiles as high-dimensional vectors. Unfortunately, these vectors lack interpretability and steerability, and often perform poorly in cold-start settings.…

Computation and Language · Computer Science 2024-02-27 Joyce Zhou , Yijia Dai , Thorsten Joachims

Recommender systems are crucial for personalizing user experiences but often depend on implicit feedback data, which can be noisy and misleading. Existing denoising studies involve incorporating auxiliary information or learning strategies…

Information Retrieval · Computer Science 2025-02-14 Shuyao Wang , Zhi Zheng , Yongduo Sui , Hui Xiong

Recommender systems serve as foundational infrastructure in modern information ecosystems, helping users navigate digital content and discover items aligned with their preferences. At their core, recommender systems address a fundamental…

Information Retrieval · Computer Science 2026-05-12 Min Hou , Le Wu , Yuxin Liao , Yonghui Yang , Zhen Zhang , Yu Wang , Changlong Zheng , Han Wu , Richang Hong

Recommendation systems aim to provide users with relevant suggestions, but often lack interpretability and fail to capture higher-level semantic relationships between user behaviors and profiles. In this paper, we propose a novel approach…

Information Retrieval · Computer Science 2024-01-26 Yan Wang , Zhixuan Chu , Xin Ouyang , Simeng Wang , Hongyan Hao , Yue Shen , Jinjie Gu , Siqiao Xue , James Y Zhang , Qing Cui , Longfei Li , Jun Zhou , Sheng Li

Large Language Models (LLMs) have demonstrated potential in predicting mental health outcomes from online text, yet traditional classification methods often lack interpretability and robustness. This study evaluates structured reasoning…

Computation and Language · Computer Science 2026-01-09 Avinash Patil , Amardeep Kour Gedhu

Large language models (LLM) not only have revolutionized the field of natural language processing (NLP) but also have the potential to reshape many other fields, e.g., recommender systems (RS). However, most of the related work treats an…

Information Retrieval · Computer Science 2024-03-26 Lei Li , Yongfeng Zhang , Dugang Liu , Li Chen

Recommendation is the task of ranking items (e.g. movies or products) according to individual user needs. Current systems rely on collaborative filtering and content-based techniques, which both require structured training data. We propose…

Computation and Language · Computer Science 2021-12-09 Damien Sileo , Wout Vossen , Robbe Raymaekers

The sequential recommendation problem has attracted considerable research attention in the past few years, leading to the rise of numerous recommendation models. In this work, we explore how Large Language Models (LLMs), which are nowadays…

Information Retrieval · Computer Science 2025-01-14 Artun Boz , Wouter Zorgdrager , Zoe Kotti , Jesse Harte , Panos Louridas , Dietmar Jannach , Vassilios Karakoidas , Marios Fragkoulis

Recommender systems are essential for guiding users through the vast and diverse landscape of digital content by delivering personalized and relevant suggestions. However, improving both personalization and interpretability remains a…

Information Retrieval · Computer Science 2025-08-05 Danial Ebrat , Tina Aminian , Sepideh Ahmadian , Luis Rueda

We propose a novel framework for comprehending the reasoning capabilities of large language models (LLMs) through the perspective of meta-learning. By conceptualizing reasoning trajectories as pseudo-gradient descent updates to the LLM's…

Computation and Language · Computer Science 2025-05-27 Junnan Liu , Hongwei Liu , Linchen Xiao , Shudong Liu , Taolin Zhang , Zihan Ma , Songyang Zhang , Kai Chen

This paper presents a case study on deploying Large Language Models (LLMs) as an advanced "annotation" mechanism to achieve nuanced content understanding (e.g., discerning content "vibe") at scale within a large-scale industrial short-form…