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Reinforcement Learning with Verifiable Rewards (RLVR) has recently emerged as a promising framework for improving reasoning abilities in Large Language Models (LLMs). However, policy optimized with binary verification prone to overlook…

Machine Learning · Computer Science 2025-10-14 Jinghao Zhang , Naishan Zheng , Ruilin Li , Dongzhou Cheng , Zheming Liang , Feng Zhao , Jiaqi Wang

Large language models (LLMs) open up new horizons for sequential recommendations, owing to their remarkable language comprehension and generation capabilities. However, there are still numerous challenges that should be addressed to…

Information Retrieval · Computer Science 2024-03-29 Yuling Wang , Changxin Tian , Binbin Hu , Yanhua Yu , Ziqi Liu , Zhiqiang Zhang , Jun Zhou , Liang Pang , Xiao Wang

Recent studies increasingly explore Large Language Models (LLMs) as a new paradigm for recommendation systems due to their scalability and world knowledge. However, existing work has three key limitations: (1) most efforts focus on…

Large Language Models (LLMs) have become powerful foundations for generative recommender systems, framing recommendation tasks as text generation tasks. However, existing generative recommendation methods often rely on discrete ID-based…

Information Retrieval · Computer Science 2026-03-24 Jerome Ramos , Bin Wu , Aldo Lipani

Sequential recommender systems have achieved significant success in modeling temporal user behavior but remain limited in capturing rich user semantics beyond interaction patterns. Large Language Models (LLMs) present opportunities to…

Vision-Language Models often struggle with complex visual reasoning due to the visual information loss in textual CoT. Existing methods either add the cost of tool calls or rely on localized patch-based embeddings that are insufficient to…

Computation and Language · Computer Science 2026-04-10 Mengdan Zhu , Senhao Cheng , Liang Zhao

Resolving the dichotomy between the human-like yet constrained reasoning processes of Cognitive Architectures and the broad but often noisy inference behavior of Large Language Models (LLMs) remains a challenging but exciting pursuit, for…

Artificial Intelligence · Computer Science 2024-08-20 Siyu Wu , Alessandro Oltramari , Jonathan Francis , C. Lee Giles , Frank E. Ritter

Personalization is a critical task in modern intelligent systems, with applications spanning diverse domains, including interactions with large language models (LLMs). Recent advances in reasoning capabilities have significantly enhanced…

Computation and Language · Computer Science 2025-05-26 Sichun Luo , Guanzhi Deng , Jian Xu , Xiaojie Zhang , Hanxu Hou , Linqi Song

Sequential recommendation (SR) leverages users' dynamic preferences, with recent advances incorporating multi-interest learning to model diverse user interests. However, most multi-interest SR models rely on noisy, sparse implicit feedback,…

Information Retrieval · Computer Science 2025-05-08 Shutong Qiao , Chen Gao , Wei Yuan , Yong Li , Hongzhi Yin

The purpose if this master's thesis is to study and develop a new algorithmic framework for Collaborative Filtering to produce recommendations in the top-N recommendation problem. Thus, we propose Lanczos Latent Factor Recommender (LLFR); a…

Machine Learning · Statistics 2016-06-15 Maria Kalantzi

Large Language Models (LLMs) are transforming recommendation from ranking into a generative task, but industrial deployment remains limited by the high latency of processing long, personalized prompts. Standard prefix caching provides…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-11 Zhan Zhao , Yuxin Wang , Amelie Chi 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

Post-training with Reinforcement Learning (RL) has substantially improved reasoning in Large Language Models (LLMs) via test-time scaling. However, extending this paradigm to Multimodal LLMs (MLLMs) through verbose rationales yields limited…

Computation and Language · Computer Science 2026-02-16 Bangzheng Li , Jianmo Ni , Chen Qu , Ian Miao , Liu Yang , Xingyu Fu , Muhao Chen , Derek Zhiyuan Cheng

In the past year, Generative Recommendations (GRs) have undergone substantial advancements, especially in leveraging the powerful sequence modeling and reasoning capabilities of Large Language Models (LLMs) to enhance overall recommendation…

Information Retrieval · Computer Science 2025-07-15 Zhen Yang , Haitao Lin , Jiawei xue , Ziji Zhang

Click-Through Rate (CTR) prediction is crucial for Recommendation System(RS), aiming to provide personalized recommendation services for users in many aspects such as food delivery, e-commerce and so on. However, traditional RS relies on…

Information Retrieval · Computer Science 2024-08-22 Zhizhong Wan , Bin Yin , Junjie Xie , Fei Jiang , Xiang Li , Wei Lin

The powerful reasoning and generative capabilities of large language models (LLMs) have inspired researchers to apply them to reasoning-based recommendation tasks, which require in-depth reasoning about user interests and the generation of…

Information Retrieval · Computer Science 2025-11-25 Shihao Cai , Chongming Gao , Haoyan Liu , Wentao Shi , Jianshan Sun , Ruiming Tang , Fuli Feng

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

Foundational Language Models (FLMs) have advanced natural language processing (NLP) research. Current researchers are developing larger FLMs (e.g., XLNet, T5) to enable contextualized language representation, classification, and generation.…

Computation and Language · Computer Science 2023-08-24 Nancy Tyagi , Aidin Shiri , Surjodeep Sarkar , Abhishek Kumar Umrawal , Manas Gaur

Human experts often struggle to select the best option from a large set of items with multiple competing objectives, a process bottlenecked by the difficulty of formalizing complex, implicit preferences. To address this, we introduce LISTEN…

Computation and Language · Computer Science 2026-05-19 Adam S. Jovine , Tinghan Ye , Francis Bahk , Jingjing Wang , Matthew Ford , David B. Shmoys , Peter I. Frazier

Latent factor models (LFMs) such as matrix factorization achieve the state-of-the-art performance among various Collaborative Filtering (CF) approaches for recommendation. Despite the high recommendation accuracy of LFMs, a critical issue…

Machine Learning · Computer Science 2019-09-10 Weiyu Cheng , Yanyan Shen , Yanmin Zhu , Linpeng Huang