English
Related papers

Related papers: OneRec-V2 Technical Report

200 papers

This paper addresses the challenge of building multimodal recommender systems for the movie domain, where sparse item metadata (e.g., title and genres) can limit retrieval quality and downstream recommendations. We introduce RAG-VisualRec,…

Information Retrieval · Computer Science 2026-02-17 Ali Tourani , Fatemeh Nazary , Yashar Deldjoo

In recent years, there has been a growing interest in utilizing reinforcement learning (RL) to optimize long-term rewards in recommender systems. Since industrial recommender systems are typically designed as multi-stage systems, RL methods…

Information Retrieval · Computer Science 2024-01-15 Gengrui Zhang , Yao Wang , Xiaoshuang Chen , Hongyi Qian , Kaiqiao Zhan , Ben Wang

Generative recommendation is emerging as a powerful paradigm that directly generates item predictions, moving beyond traditional matching-based approaches. However, current methods face two key challenges: token-item misalignment, where…

Information Retrieval · Computer Science 2025-06-24 Chang Liu , Yimeng Bai , Xiaoyan Zhao , Yang Zhang , Fuli Feng , Wenge Rong

The extensive world knowledge and powerful reasoning capabilities of large language models (LLMs) have attracted significant attention in recommendation systems (RS). Specifically, The chain of thought (CoT) has been shown to improve the…

Information Retrieval · Computer Science 2025-08-22 Yu Xia , Rui Zhong , Zeyu Song , Wei Yang , Junchen Wan , Qingpeng Cai , Chi Lu , Peng Jiang

Deploying foundation models is increasingly constrained by memory footprint, latency, and hardware costs. Post-training compression can mitigate these bottlenecks by reducing the precision of model parameters without significantly degrading…

Text embedding and generative tasks are usually trained separately based on large language models (LLMs) nowadays. This causes a large amount of training cost and deployment effort. Context compression is also a challenging and pressing…

Computation and Language · Computer Science 2026-05-13 Zhongtao Miao , Qiyu Wu , Yoshimasa Tsuruoka

Recommender systems suffer from the cold-start problem whenever a new user joins the platform or a new item is added to the catalog. To address item cold-start, we propose to replace the embedding layer in sequential recommenders with a…

Information Retrieval · Computer Science 2024-10-02 Kuba Weimann , Tim O. F. Conrad

Generative Recommendation (GR) reformulates recommendation as a next-token generation problem and has shown promise in industrial applications. However, extending GR to industrial advertising is non-trivial because the system must optimize…

While large transformer models have been successfully used in many real-world applications such as natural language processing, computer vision, and speech processing, scaling transformers for recommender systems remains a challenging…

Information Retrieval · Computer Science 2026-02-19 Kirill Khrylchenko , Artem Matveev , Sergei Makeev , Vladimir Baikalov

Retrieval-augmented generation (RAG) is a promising way to improve large language models (LLMs) for generating more factual, accurate, and up-to-date content. Existing methods either optimize prompts to guide LLMs in leveraging retrieved…

Computation and Language · Computer Science 2024-12-12 Yutao Zhu , Zhaoheng Huang , Zhicheng Dou , Ji-Rong Wen

Recommender systems have demonstrated significant impact across diverse domains, yet ensuring the reproducibility of experimental findings remains a persistent challenge. A primary obstacle lies in the fragmented and often opaque data…

Recommendation systems are essential tools in modern e-commerce, facilitating personalized user experiences by suggesting relevant products. Recent advancements in generative models have demonstrated potential in enhancing recommendation…

Information Retrieval · Computer Science 2025-11-25 Zida Liang , Changfa Wu , Dunxian Huang , Weiqiang Sun , Ziyang Wang , Yuliang Yan , Jian Wu , Yuning Jiang , Bo Zheng , Ke Chen , Silu Zhou , Yu Zhang

Recommender systems play a crucial role in our daily lives. Feed streaming mechanism has been widely used in the recommender system, especially on the mobile Apps. The feed streaming setting provides users the interactive manner of…

Information Retrieval · Computer Science 2019-07-12 Lixin Zou , Long Xia , Zhuoye Ding , Jiaxing Song , Weidong Liu , Dawei Yin

Large language model (LLM) based listwise reranking has emerged as the dominant paradigm for achieving state-of-the-art ranking effectiveness in information retrieval. However, its reliance on feeding full passage texts into the LLM…

Information Retrieval · Computer Science 2026-04-27 Xiaojie Ke , Shuai Zhang , Liansheng Sun , Yongjin Wang , Hengjun Jiang , Xiangkun Liu , Cunxin Gu , Jian Xu , Guanjun Jiang

Despite the promising progress of recent autoregressive models in text-to-image (T2I) generation, their ability to handle multi-attribute and ambiguous prompts remains limited. To address these limitations, existing works have applied…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Yaqi Li , Peng Chen , Mingyang Han , Pi Bu , Haoxiang Shi , Runzhou Zhao , Yang Yao , Xuan Zhang , Jun Song , Bo Zheng

Generative recommendation (GR) has shown strong potential for sequential recommendation in an end-to-end generation paradigm. However, existing GR models suffer from severe cold-start collapse: their recommendation accuracy on cold-start…

Information Retrieval · Computer Science 2026-05-04 Chenglei Shen , Teng Shi , Weijie Yu , Xiao Zhang , Jun Xu

Retrieval-augmented generation (RAG) grounds large language models (LLMs) in up-to-date external evidence, yet existing multi-hop RAG pipelines still issue redundant subqueries, explore too shallowly, or wander through overly long search…

Computation and Language · Computer Science 2025-05-26 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He

The rapid evolution of mobile edge computing (MEC) has introduced significant challenges in optimizing resource allocation in highly dynamic wireless communication systems, in which task offloading decisions should be made in real-time.…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Runtao Ren , Yinyu Wu , Xuhui Zhang , Jinke Ren , Yanyan Shen , Shuqiang Wang , Kim-Fung Tsang

With the increasing popularity of recommendation systems (RecSys), the demand for compute resources in datacenters has surged. However, the model-wise resource allocation employed in current RecSys model serving architectures falls short in…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-12 Yujeong Choi , Jiin Kim , Minsoo Rhu

With the recent progress in generative artificial intelligence (Generative AI), particularly in the development of large language models, recommendation systems are evolving to become more versatile. Unlike traditional techniques,…

Information Retrieval · Computer Science 2025-06-23 Zihan Hong , Yushi Wu , Zhiting Zhao , Shanshan Feng , Jianghong Ma , Jiao Liu , Tianjun Wei