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Generative recommendation (GR) aligns with advances in generative AI by casting next-item prediction as token-level generation rather than score-based ranking. Most GR methods adopt a two-stage pipeline: (i) \textit{item tokenization},…

信息检索 · 计算机科学 2026-02-26 Zhenxiang Xu , Jiawei Chen , Sirui Chen , Yong He , Jieyu Yang , Chuan Yuan , Ke Ding , Can Wang

Unified image generation and editing models suffer from severe task interference in dense diffusion transformers architectures, where a shared parameter space must compromise between conflicting objectives (e.g., local editing v.s.…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Yu Xu , Hongbin Yan , Juan Cao , Yiji Cheng , Tiankai Hang , Runze He , Zijin Yin , Shiyi Zhang , Yuxin Zhang , Jintao Li , Chunyu Wang , Qinglin Lu , Tong-Yee Lee , Fan Tang

Emerging Implicit Neural Representation (INR) is a promising data compression technique, which represents the data using the parameters of a Deep Neural Network (DNN). Existing methods manually partition a complex scene into local regions…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Jianchen Zhao , Cheng-Ching Tseng , Ming Lu , Ruichuan An , Xiaobao Wei , He Sun , Shanghang Zhang

Generative recommendation systems have gained increasing attention as an innovative approach that directly generates item identifiers for recommendation tasks. Despite their potential, a major challenge is the effective construction of item…

信息检索 · 计算机科学 2025-06-05 Enze Liu , Bowen Zheng , Cheng Ling , Lantao Hu , Han Li , Wayne Xin Zhao

In multimodal graph learning, graph structures that integrate information from multiple sources, such as vision and text, can more comprehensively model complex entity relationships. However, the continuous growth of their data scale poses…

机器学习 · 计算机科学 2026-02-10 Lian Shen , Zhendan Chen , Meijia Song , Yinhui jiang , Ziming Su , Juan Liu , Xiangrong Liu

The cold-start problem is a common challenge for most recommender systems. The practical application of most cold-start methods is hindered by the deficiency in auxiliary content information for users. Moreover, most methods necessitate…

信息检索 · 计算机科学 2024-09-04 Linan Zheng , Jiale Chen , Pengsheng Liu , Guangfa Zhang , Jinyun Fang

Current methods for few-shot action recognition mainly fall into the metric learning framework following ProtoNet, which demonstrates the importance of prototypes. Although they achieve relatively good performance, the effect of multimodal…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Xinzhe Ni , Yong Liu , Hao Wen , Yatai Ji , Jing Xiao , Yujiu Yang

Recently, deep neural network models for graph-structured data have been demonstrating to be influential in recommendation systems. Graph Neural Network (GNN), which can generate high-quality embeddings by capturing graph-structured…

社会与信息网络 · 计算机科学 2021-03-11 Ziheng Duan , Yueyang Wang , Weihao Ye , Zixuan Feng , Qilin Fan , Xiuhua Li

Generative models have recently demonstrated strong potential in multi-behavior recommendation systems, leveraging the expressive power of transformers and tokenization to generate personalized item sequences. However, their adoption is…

Cold-start item recommendation is a long-standing challenge in recommendation systems. A common remedy is to use a content-based approach, but rich information from raw contents in various forms has not been fully utilized. In this paper,…

信息检索 · 计算机科学 2024-04-23 Jooeun Kim , Jinri Kim , Kwangeun Yeo , Eungi Kim , Kyoung-Woon On , Jonghwan Mun , Joonseok Lee

Large language model (LLM)-based recommender systems have achieved high-quality performance by bridging the discrepancy between the item space and the language space through item tokenization. However, existing item tokenization methods…

信息检索 · 计算机科学 2025-11-18 Yu Hou , Won-Yong Shin

Mixture-of-Experts (MoE) models have emerged as a promising direction for scaling vision architectures efficiently. Among them, Soft MoE improves training stability by assigning each token to all experts via continuous dispatch weights.…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Chengxi Min , Wei Wang , Yahui Liu , Weixin Ye , Enver Sangineto , Qi Wang , Yao Zhao

This paper presents the \textbf{S}emantic-a\textbf{W}ar\textbf{E} spatial-t\textbf{E}mporal \textbf{T}okenizer (SweetTok), a novel video tokenizer to overcome the limitations in current video tokenization methods for compacted yet effective…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Zhentao Tan , Ben Xue , Jian Jia , Junhao Wang , Wencai Ye , Shaoyun Shi , Mingjie Sun , Wenjin Wu , Quan Chen , Peng Jiang

With the recent advancements of deep learning technologies, the performance of voice conversion (VC) in terms of quality and similarity has been significantly improved. However, heavy computations are generally required for…

声音 · 计算机科学 2019-12-30 Yu-Tao Chang , Yuan-Hong Yang , Yu-Huai Peng , Syu-Siang Wang , Tai-Shih Chi , Yu Tsao , Hsin-Min Wang

Multimodal recommendation enhances ranking by integrating user-item interactions with item content, which is particularly effective under sparse feedback and long-tail distributions. However, multimodal signals are inherently heterogeneous…

人工智能 · 计算机科学 2026-02-27 Ji Dai , Quan Fang , Dengsheng Cai

Recent advancements in large language model-based recommendation systems often represent items as text or semantic IDs and generate recommendations in an auto-regressive manner. However, due to the left-to-right greedy decoding strategy and…

信息检索 · 计算机科学 2025-11-19 Mengyao Gao , Chongming Gao , Haoyan Liu , Qingpeng Cai , Peng Jiang , Jiajia Chen , Shuai Yuan , Xiangnan He

Sparse mixture-of-experts (MoE) layers have been shown to substantially increase model capacity without a proportional increase in computational cost and are widely used in transformer architectures, where they typically replace…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Svetlana Pavlitska , Haixi Fan , Konstantin Ditschuneit , J. Marius Zöllner

Recommendation systems have been essential for both user experience and platform efficiency by alleviating information overload and supporting decision-making. Traditional methods, i.e., content-based filtering, collaborative filtering, and…

信息检索 · 计算机科学 2025-08-22 Lining Chen , Qingwen Zeng , Huaming Chen

We show that the representation of one modality can effectively guide the prompting of another modality for parameter-efficient multimodal fusion. Specifically, we first encode one modality and use its representation as a prior to…

计算与语言 · 计算机科学 2023-12-08 Ruixiang Jiang , Lingbo Liu , Changwen Chen

Recently, generative recommendation has emerged as a promising paradigm, attracting significant research attention. The basic framework involves an item tokenizer, which represents each item as a sequence of codes serving as its identifier,…

信息检索 · 计算机科学 2025-05-27 Bowen Zheng , Hongyu Lu , Yu Chen , Wayne Xin Zhao , Ji-Rong Wen