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While sequential recommendation achieves significant progress on capturing user-item transition patterns, transferring such large-scale recommender systems remains challenging due to the disjoint user and item groups across domains. In this…

Information Retrieval · Computer Science 2024-11-05 Zhenrui Yue , Huimin Zeng , Yang Zhang , Julian McAuley , Dong Wang

Sparse models, including sparse Mixture-of-Experts (MoE) models, have emerged as an effective approach for scaling Transformer models. However, they often suffer from computational inefficiency since a significant number of parameters are…

Machine Learning · Computer Science 2024-05-27 Yuanhang Yang , Shiyi Qi , Wenchao Gu , Chaozheng Wang , Cuiyun Gao , Zenglin Xu

Generative recommendation represents each item as a semantic ID, i.e., a sequence of discrete tokens, and generates the next item through autoregressive decoding. While effective, existing autoregressive models face two intrinsic…

Information Retrieval · Computer Science 2025-11-12 Teng Shi , Chenglei Shen , Weijie Yu , Shen Nie , Chongxuan Li , Xiao Zhang , Ming He , Yan Han , Jun Xu

The recent Segment Anything Model (SAM) represents a significant breakthrough in scaling segmentation models, delivering strong performance across various downstream applications in the RGB modality. However, directly applying SAM to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Chenyang Zhu , Bin Xiao , Lin Shi , Shoukun Xu , Xu Zheng

In autoregressive (AR) image generation, visual tokenizers compress images into compact discrete latent tokens, enabling efficient training of downstream autoregressive models for visual generation via next-token prediction. While scaling…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Tianwei Xiong , Jun Hao Liew , Zilong Huang , Jiashi Feng , Xihui Liu

The cold-start problem remains a critical challenge in real-world recommender systems, as new items with limited interaction data or insufficient information are frequently introduced. Despite recent advances leveraging external knowledge…

Information Retrieval · Computer Science 2025-11-26 Wooseong Yang , Weizhi Zhang , Yuqing Liu , Yuwei Han , Yu Wang , Junhyun Lee , Philip S. Yu

Multimodal understanding of tables in real-world contexts is challenging due to the complexity of structure, symbolic density, and visual degradation (blur, skew, watermarking, incomplete structures or fonts, multi-span or hierarchically…

Artificial Intelligence · Computer Science 2025-06-27 Junwen Zhang , Pu Chen , Yin Zhang

Although existing multimodal recommendation models have shown promising performance, their effectiveness continues to be limited by the pervasive data sparsity problem. This problem arises because users typically interact with only a small…

Information Retrieval · Computer Science 2025-12-10 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Zitong Wan , Hewei Wang , Weijie Liu , Yijie Li , Edith C. H. Ngai

Multimodal emotion recognition (MER) in practical scenarios is significantly challenged by the presence of missing or incomplete data across different modalities. To overcome these challenges, researchers have aimed to simulate incomplete…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Qi Fan , Haolin Zuo , Rui Liu , Zheng Lian , Guanglai Gao

Recently, human motion analysis has experienced great improvement due to inspiring generative models such as the denoising diffusion model and large language model. While the existing approaches mainly focus on generating motions with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Yiming Wu , Wei Ji , Kecheng Zheng , Zicheng Wang , Dong Xu

Recommendation systems have become indispensable in various online platforms, from e-commerce to streaming services. A fundamental challenge in this domain is learning effective embeddings from sparse user-item interactions. While…

Information Retrieval · Computer Science 2025-10-13 Yansong Wang , Qihui Lin , Junjie Huang , Tao Jia

In the realm of personalized recommender systems, the challenge of adapting to evolving user preferences and the continuous influx of new users and items is paramount. Conventional models, typically reliant on a static training-test…

Information Retrieval · Computer Science 2024-07-12 Peiyan Zhang , Yuchen Yan , Xi Zhang , Liying Kang , Chaozhuo Li , Feiran Huang , Senzhang Wang , Sunghun Kim

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

Image-based single-modality compression learning approaches have demonstrated exceptionally powerful encoding and decoding capabilities in the past few years , but suffer from blur and severe semantics loss at extremely low bitrates. To…

Image and Video Processing · Electrical Eng. & Systems 2023-04-27 Xuhao Jiang , Weimin Tan , Tian Tan , Bo Yan , Liquan Shen

Abstract visual reasoning connects mental abilities to the physical world, which is a crucial factor in cognitive development. Most toddlers display sensitivity to this skill, but it is not easy for machines. Aimed at it, we focus on the…

Artificial Intelligence · Computer Science 2020-07-13 Xiangru Tang , Haoyuan Wang , Xiang Pan , Jiyang Qi

Modern recommender systems trained on domain-specific data often struggle to generalize across multiple domains. Cross-domain sequential recommendation has emerged as a promising research direction to address this challenge; however,…

Information Retrieval · Computer Science 2026-01-06 Hyunsoo Kim , Jaewan Moon , Seongmin Park , Jongwuk Lee

The trend of data mining using deep learning models on graph neural networks has proven effective in identifying object features through signal encoders and decoders, particularly in recommendation systems utilizing collaborative filtering…

Information Retrieval · Computer Science 2025-03-27 Manh Mai Van , Tin T. Tran

Mainstream solutions to Sequential Recommendation (SR) represent items with fixed vectors. These vectors have limited capability in capturing items' latent aspects and users' diverse preferences. As a new generative paradigm, Diffusion…

Information Retrieval · Computer Science 2023-10-31 Zihao Li , Aixin Sun , Chenliang Li

Generative recommendation (GeneRec) has introduced a new paradigm that represents items as discrete semantic tokens and predicts items in a generative manner. Despite its strong performance across multiple recommendation tasks, existing…

Information Retrieval · Computer Science 2026-04-08 Zezhong Fan , Ziheng Chen , Luyi Ma , Jin Huang , Lalitesh Morishetti , Kaushiki Nag , Sushant Kumar , Kannan Achan

This paper presents LightFusionRec, a novel lightweight cross-domain recommendation system that integrates DistilBERT for textual feature extraction and FastText for genre embedding. Important issues in recommendation systems, such as data…

Artificial Intelligence · Computer Science 2024-10-22 Vansh Kharidia , Dhruvi Paprunia , Prashasti Kanikar