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Generative Retrieval (GR), autoregressively decoding relevant document identifiers given a query, has been shown to perform well under the setting of small-scale corpora. By memorizing the document corpus with model parameters, GR…

信息检索 · 计算机科学 2024-01-22 Peiwen Yuan , Xinglin Wang , Shaoxiong Feng , Boyuan Pan , Yiwei Li , Heda Wang , Xupeng Miao , Kan Li

There is a growing interest in characterizing circular data found in biological systems. Such data are wide ranging and varied, from signal phase in neural recordings to nucleotide sequences in round genomes. Traditional clustering…

机器学习 · 计算机科学 2023-09-19 Xiaoxiao Sun , Paul Sajda

Graph clustering is a fundamental computational problem with a number of applications in algorithm design, machine learning, data mining, and analysis of social networks. Over the past decades, researchers have proposed a number of…

数据结构与算法 · 计算机科学 2019-04-12 He Sun , Luca Zanetti

Generative artificial intelligence (AI) has made unprecedented advances in vision language models over the past two years. During the generative process, new samples (images) are generated from an unknown high-dimensional distribution.…

图形学 · 计算机科学 2025-10-13 Gurprit Singh , Wenzel Jakob

Deep learning models suffer from catastrophic forgetting when learning new tasks incrementally. Incremental learning has been proposed to retain the knowledge of old classes while learning to identify new classes. A typical approach is to…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Huitong Chen , Yu Wang , Qinghua Hu

Gaussian processes (GPs) offer a flexible, uncertainty-aware framework for modeling complex signals, but scale cubically with data, assume static targets, and are brittle to outliers, limiting their applicability in large-scale problems…

机器学习 · 统计学 2025-09-23 Fernando Llorente , Daniel Waxman , Sanket Jantre , Nathan M. Urban , Susan E. Minkoff

Graph Convolutional Networks (GCNs) have drawn tremendous attention in the past three years. Compared with other deep learning modalities, high-performance hardware acceleration of GCNs is as critical but even more challenging. The hurdles…

硬件体系结构 · 计算机科学 2022-03-08 Tong Geng , Chunshu Wu , Yongan Zhang , Cheng Tan , Chenhao Xie , Haoran You , Martin C. Herbordt , Yingyan Lin , Ang Li

Computational reconstruction plays a vital role in computer vision and computational photography. Most of the conventional optimization and deep learning techniques explore local information for reconstruction. Recently, nonlocal low-rank…

图像与视频处理 · 电气工程与系统科学 2023-01-10 Daoyu Li , Hanwen Xu , Miao Cao , Xin Yuan , David J. Brady , Liheng Bian

Graph Convolutional Networks (GCNs) are state-of-the-art graph based representation learning models by iteratively stacking multiple layers of convolution aggregation operations and non-linear activation operations. Recently, in…

信息检索 · 计算机科学 2020-01-29 Lei Chen , Le Wu , Richang Hong , Kun Zhang , Meng Wang

Clustering is a fundamental task in data analysis. Recently, deep clustering, which derives inspiration primarily from deep learning approaches, achieves state-of-the-art performance and has attracted considerable attention. Current deep…

机器学习 · 计算机科学 2020-02-13 Deyu Bo , Xiao Wang , Chuan Shi , Meiqi Zhu , Emiao Lu , Peng Cui

Guessing Random Additive Noise Decoding (GRAND) is a family of hard- and soft-detection error correction decoding algorithms that provide accurate decoding of any moderate redundancy code of any length. Here we establish a method through…

信息论 · 计算机科学 2023-08-11 Kevin Galligan , Peihong Yuan , Muriel Médard , Ken R. Duffy

Reticular materials, including metal-organic frameworks and covalent organic frameworks, combine relative ease of synthesis and an impressive range of applications in various fields, from gas storage to biomedicine. Diverse properties arise…

材料科学 · 物理学 2024-03-11 Vadim Korolev , Artem Mitrofanov

Comparing and aligning large datasets is a pervasive problem occurring across many different knowledge domains. We introduce and study MREC, a recursive decomposition algorithm for computing matchings between data sets. The basic idea is to…

Ensuring proper generalization is a critical challenge in applying data-driven methods for solving inverse problems in imaging, as neural networks reconstructing an image must perform well across varied datasets and acquisition geometries.…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Emilien Valat , Ozan Öktem

We propose a probabilistic model for refining coarse-grained spatial data by utilizing auxiliary spatial data sets. Existing methods require that the spatial granularities of the auxiliary data sets are the same as the desired granularity…

A coarse grid correction (CGC) approach is proposed to enhance the efficiency of the matrix exponential and $\varphi$ matrix function evaluations. The approach is intended for iterative methods computing the matrix-vector products with…

数值分析 · 数学 2024-04-23 Mike A. Botchev

Gaussian processes (GPs) have gained popularity as flexible machine learning models for regression and function approximation with an in-built method for uncertainty quantification. However, GPs suffer when the amount of training data is…

机器学习 · 统计学 2025-11-26 Jonas Latz , Aretha L. Teckentrup , Simon Urbainczyk

While prior work on group recommender systems (GRSs) has primarily focused on improving recommendation accuracy, most approaches assume static or predefined groups, making them unsuitable for dynamic, real-world scenarios. We reframe group…

机器学习 · 计算机科学 2025-11-06 Junhyung Park , Hyungjin Kim , Seokho Ahn , Young-Duk Seo

Deep clustering has shown its promising capability in joint representation learning and clustering via deep neural networks. Despite the significant progress, the existing deep clustering works mostly utilize some distribution-based…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Yuankun Xu , Dong Huang , Chang-Dong Wang , Jian-Huang Lai

Clustering holds profound significance in data mining. In recent years, graph convolutional network (GCN) has emerged as a powerful tool for deep clustering, integrating both graph structural information and node attributes. However, most…

机器学习 · 计算机科学 2024-10-29 Qiankun Li , Haobing Liu , Ruobing Jiang , Tingting Wang