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Conditional generative models represent a significant advancement in the field of machine learning, allowing for the controlled synthesis of data by incorporating additional information into the generation process. In this work we introduce…

Machine Learning · Statistics 2024-09-27 Hanwen Huang

Deep generative models have recently been employed for speech enhancement to generate perceptually valid clean speech on large-scale datasets. Several diffusion models have been proposed, and more recently, a tractable Schr\"odinger Bridge…

Sound · Computer Science 2025-06-03 Seungu Han , Sungho Lee , Juheon Lee , Kyogu Lee

Identifying the drift and diffusion of an SDE from its population dynamics is a notoriously challenging task. Researchers in machine learning and single-cell biology have only been able to prove a partial identifiability result: for…

Generative Semantic Communication (GSC) is a promising solution for image transmission over narrow-band and high-noise channels. However, existing GSC methods rely on long, indirect transport trajectories from a Gaussian to an image…

Image and Video Processing · Electrical Eng. & Systems 2026-04-21 Dahua Gao , Ruichao Liu , Minxi Yang , Shuai Ma , Youlong Wu , Guangming Shi

Social recommendation has emerged to leverage social connections among users for predicting users' unknown preferences, which could alleviate the data sparsity issue in collaborative filtering based recommendation. Early approaches relied…

Social and Information Networks · Computer Science 2021-01-06 Le Wu , Junwei Li , Peijie Sun , Richang Hong , Yong Ge , Meng Wang

A recent study has shown that diffusion models are well-suited for modeling the generative process of user-item interactions in recommender systems due to their denoising nature. However, existing diffusion model-based recommender systems…

Information Retrieval · Computer Science 2024-04-23 Yu Hou , Jin-Duk Park , Won-Yong Shin

We study generative modeling for time series using entropic optimal transport and the Schr\"odinger bridge (SB) framework, with a focus on applications in finance and energy modeling. Extending the diffusion-based approach of Hamdouche,…

Mathematical Finance · Quantitative Finance 2026-02-24 Stefano De Marco , Huyên Pham , Davide Zanni

Imitation learning empowers artificial agents to mimic behavior by learning from demonstrations. Recently, diffusion models, which have the ability to model high-dimensional and multimodal distributions, have shown impressive performance on…

Machine Learning · Computer Science 2024-07-12 Kaiqi Chen , Eugene Lim , Kelvin Lin , Yiyang Chen , Harold Soh

Deep Ensemble (DE) approach is a straightforward technique used to enhance the performance of deep neural networks by training them from different initial points, converging towards various local optima. However, a limitation of this…

Machine Learning · Computer Science 2024-04-25 Hyunsu Kim , Jongmin Yoon , Juho Lee

The increasing popularity of real-world recommender systems produces data continuously and rapidly, and it becomes more realistic to study recommender systems under streaming scenarios. Data streams present distinct properties such as…

Social and Information Networks · Computer Science 2016-07-22 Shiyu Chang , Yang Zhang , Jiliang Tang , Dawei Yin , Yi Chang , Mark A. Hasegawa-Johnson , Thomas S. Huang

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…

Information Retrieval · Computer Science 2025-11-19 Mengyao Gao , Chongming Gao , Haoyan Liu , Qingpeng Cai , Peng Jiang , Jiajia Chen , Shuai Yuan , Xiangnan He

Multimedia recommendations aim to use rich multimedia content to enhance historical user-item interaction information, which can not only indicate the content relatedness among items but also reveal finer-grained preferences of users. In…

Multimedia · Computer Science 2025-07-23 Xian Mo , Fei Liu , Rui Tang , Jintao , Gao , Hao Liu

Diffusion-based generative models (DGMs) have recently attracted attention in speech enhancement research (SE) as previous works showed a remarkable generalization capability. However, DGMs are also computationally intensive, as they…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Chenda Li , Samuele Cornell , Shinji Watanabe , Yanmin Qian

Sequential recommendation demonstrates the capability to recommend items by modeling the sequential behavior of users. Traditional methods typically treat users as sequences of items, overlooking the collaborative relationships among them.…

Information Retrieval · Computer Science 2023-08-15 Sijia Liu , Jiahao Liu , Hansu Gu , Dongsheng Li , Tun Lu , Peng Zhang , Ning Gu

Session-based recommendation aims to predict user the next action based on historical behaviors in an anonymous session. For better recommendations, it is vital to capture user preferences as well as their dynamics. Besides, user…

Information Retrieval · Computer Science 2021-06-18 Dou Hu , Lingwei Wei , Wei Zhou , Xiaoyong Huai , Zhiqi Fang , Songlin Hu

Learning user representations based on historical behaviors lies at the core of modern recommender systems. Recent advances in sequential recommenders have convincingly demonstrated high capability in extracting effective user…

Information Retrieval · Computer Science 2021-09-14 Shengyu Zhang , Dong Yao , Zhou Zhao , Tat-seng Chua , Fei Wu

The rise of online multi-modal sharing platforms like TikTok and YouTube has enabled personalized recommender systems to incorporate multiple modalities (such as visual, textual, and acoustic) into user representations. However, addressing…

Information Retrieval · Computer Science 2024-06-18 Yangqin Jiang , Lianghao Xia , Wei Wei , Da Luo , Kangyi Lin , Chao Huang

Latent reasoning has emerged as a promising paradigm for sequential recommendation, enabling models to capture complex user intent through multi-step deliberation. Yet existing approaches often rely on deterministic latent chains that…

Information Retrieval · Computer Science 2026-02-13 Jie Jiang , Yang Wu , Qian Li , Yuling Xiong , Yihang Su , Junbang Huo , Longfei Lu , Jun Zhang , Huan Yu

In the realm of music recommendation, sequential recommender systems have shown promise in capturing the dynamic nature of music consumption. Nevertheless, traditional Transformer-based models, such as SASRec and BERT4Rec, while effective,…

Information Retrieval · Computer Science 2024-09-09 Davide Abbattista , Vito Walter Anelli , Tommaso Di Noia , Craig Macdonald , Aleksandr Vladimirovich Petrov

Recent advancements in optimization-based text-to-3D generation heavily rely on distilling knowledge from pre-trained text-to-image diffusion models using techniques like Score Distillation Sampling (SDS), which often introduce artifacts…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ziying Li , Xuequan Lu , Xinkui Zhao , Guanjie Cheng , Shuiguang Deng , Jianwei Yin
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