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Multicast communication primitives have broad utility as building blocks for distributed applications. The challenge is to create and maintain the distributed structures that support these primitives while accounting for volatile end nodes…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Matei Ripeanu , Adriana Iamnitchi , Ian Foster , Anne Rogers

We present a fast multiscale approach for the network minimum logarithmic arrangement problem. This type of arrangement plays an important role in a network compression and fast node/link access operations. The algorithm is of linear…

数据结构与算法 · 计算机科学 2010-04-30 Ilya Safro , Boris Temkin

The training of large multimodal models fundamentally relies on massive image-text datasets, which inevitably incur prohibitive computational overhead. Dataset selection offers a promising paradigm by identifying a highly informative…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Boran Zhao , Hetian Liu , Zhenxian Hu , Yuqing Yuan , Yu Yan , Pengju Ren

One of the main operational challenges faced by the operators of one-way car-sharing systems is to ensure vehicle availability across the regions of the service areas with uneven patterns of rental requests. Fleet balancing strategies are…

网络与互联网体系结构 · 计算机科学 2025-01-24 Riccardo Iacobucci , Raffaele Bruno , Chiara Boldrini

This paper considers a Massive multiple-input multiple-output (MIMO) network, where the base station (BS) with a large number of antennas communicates with a smaller number of users. The signals are transmitted using frequency division…

信息论 · 计算机科学 2018-04-24 Manijeh Bashar , Alister G. Burr , Katsuyuki Haneda Kanapathippillai Cumanan

In this paper, we adopt a cross layer design approach for analyzing the throughput-delay tradeoff of the multicast channel in a single cell system. To illustrate the main ideas, we start with the single group case, i.e., pure multicast,…

信息论 · 计算机科学 2007-07-13 Praveen Kumar Gopala , Hesham El Gamal

In this paper, we consider a hierarchical distributed multi-task learning (MTL) system where distributed users wish to jointly learn different models orchestrated by a central server with the help of a layer of multiple relays. Since the…

信息论 · 计算机科学 2022-12-19 Haoyang Hu , Songze Li , Minquan Cheng , Youlong Wu

We present the design of an entire on-device system for large-scale urban localization using images. The proposed design integrates compact image retrieval and 2D-3D correspondence search to estimate the location in extensive city regions.…

计算机视觉与模式识别 · 计算机科学 2018-12-26 Ngoc-Trung Tran , Dang-Khoa Le Tan , Anh-Dzung Doan , Thanh-Toan Do , Tuan-Anh Bui , Mengxuan Tan , Ngai-Man Cheung

Hypergraphs provide a powerful framework for modeling complex systems and networks with higher-order interactions beyond simple pairwise relationships. However, graph-based clustering approaches, which focus primarily on pairwise relations,…

社会与信息网络 · 计算机科学 2025-07-16 Giuseppe F. Italiano , Athanasios L. Konstantinidis , Anna Mpanti , Fariba Ranjbar

Traditional IP multicast routing is not suitable for cloud data center (DC) networks due to the need for supporting large numbers of groups with large group sizes. State-of-the-art DC multicast routing approaches aim to overcome the…

网络与互联网体系结构 · 计算机科学 2020-08-12 Jarallah Alqahtani , Bechir Hamdaoui

Deploying data- and computation-intensive applications such as large-scale AI into heterogeneous dispersed computing networks can significantly enhance application performance by mitigating bottlenecks caused by limited network resources,…

网络与互联网体系结构 · 计算机科学 2024-03-26 Jinkun Zhang , Edmund Yeh

Spectral-based subspace clustering methods have proved successful in many challenging applications such as gene sequencing, image recognition, and motion segmentation. In this work, we first propose a novel spectral-based subspace…

机器学习 · 统计学 2021-06-09 Hankui Peng , Nicos G. Pavlidis

We propose an effective subspace selection scheme as a post-processing step to improve results obtained by sparse subspace clustering (SSC). Our method starts by the computation of stable subspaces using a novel random sampling scheme. Thus…

计算机视觉与模式识别 · 计算机科学 2016-05-30 Duc-Son Pham , Ognjen Arandjelovic , Svetha Venkatesh

The problem of clustering noisy and incompletely observed high-dimensional data points into a union of low-dimensional subspaces and a set of outliers is considered. The number of subspaces, their dimensions, and their orientations are…

机器学习 · 统计学 2015-08-24 Reinhard Heckel , Helmut Bölcskei

This paper studies the subspace clustering problem in which data points collected from high-dimensional ambient space lie in a union of linear subspaces. Subspace clustering becomes challenging when the dimension of intersection between…

机器学习 · 计算机科学 2021-08-17 Weiwei Li , Mostafa Rahmani , Ping Li

Subspace clustering refers to the problem of clustering high-dimensional data points into a union of low-dimensional linear subspaces, where the number of subspaces, their dimensions and orientations are all unknown. In this paper, we…

机器学习 · 统计学 2014-03-17 Reinhard Heckel , Eirikur Agustsson , Helmut Bölcskei

A classification algorithm, called the Linear Centralization Classifier (LCC), is introduced. The algorithm seeks to find a transformation that best maps instances from the feature space to a space where they concentrate towards the center…

机器学习 · 计算机科学 2017-12-25 Mohammad Reza Bonyadi , Viktor Vegh , David C. Reutens

Combining multiple complementary techniques together has long been regarded as a way to improve performance. In visual localization, multi-sensor fusion, multi-process fusion of a single sensing modality, and even combinations of different…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Stephen Hausler , Michael Milford

Clustering in wireless sensor networks is one of the crucial methods for increasing of network lifetime. There are many algorithms for clustering. One of the important cluster based algorithm in wireless sensor networks is LEACH algorithm.…

其他计算机科学 · 计算机科学 2010-03-09 Shahram Babaie , Ahmad Khadem Zade , Ali Hosseinalipour

Co-clustering simultaneously clusters rows and columns, revealing more fine-grained groups. However, existing co-clustering methods suffer from poor scalability and cannot handle large-scale data. This paper presents a novel and scalable…

分布式、并行与集群计算 · 计算机科学 2025-03-20 Zihan Wu , Zhaoke Huang , Hong Yan