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Recently, a novel coded compressed sensing (CCS) approach was proposed in [1] for dealing with the scalability problem for large sensing matrices in massive machine-type communications. The approach is to divide the compressed sensing (CS)…

网络与互联网体系结构 · 计算机科学 2021-09-01 Yi-Jheng Lin , Chia-Ming Chang , Cheng-Shang Chang

Single-linkage clustering is a popular form of hierarchical agglomerative clustering (HAC) where the distance between two clusters is defined as the minimum distance between any pair of points across the two clusters. In single-linkage HAC,…

数据结构与算法 · 计算机科学 2025-06-24 Quinten De Man , Laxman Dhulipala , Kishen N Gowda

We offer a public key exchange protocol in the spirit of Diffie-Hellman, but we use (small) matrices over a group ring of a (small) symmetric group as the platform. This "nested structure" of the platform makes computation very efficient…

密码学与安全 · 计算机科学 2013-02-08 Delaram Kahrobaei , Charalambos Koupparis , Vladimir Shpilrain

In this paper, we propose first-order feasible methods for difference-of-convex (DC) programs with smooth inequality and simple geometric constraints. Our strategy for maintaining feasibility of the iterates is based on a "retraction" idea…

最优化与控制 · 数学 2022-12-05 Yongle Zhang , Guoyin Li , Ting Kei Pong , Shiqi Xu

Much of human knowledge sits in large databases of unstructured text. Leveraging this knowledge requires algorithms that extract and record metadata on unstructured text documents. Assigning topics to documents will enable intelligent…

A major issue of locally repairable codes is their robustness. If a local repair group is not able to perform the repair process, this will result in increasing the repair cost. Therefore, it is critical for a locally repairable code to…

信息论 · 计算机科学 2019-04-09 Ali Tebbi , Terence H. Chan , Chi Wan Sung

Community detection is a foundational capability in large-scale industrial graph analytics, powering applications such as fraud-ring discovery, recommendation systems, and hierarchical indexing for retrieval-augmented generation. Among…

社会与信息网络 · 计算机科学 2026-03-05 Chunxu Lin , Yumao Xie , Yixiang Fang , Yongmin Hu , Yingqian Hu , Chen Cheng

We present a new unified framework for minimizing congestion-dependent network cost in information-centric networks by jointly optimizing forwarding and caching strategies. As caching variables are integer-constrained, the resulting…

网络与互联网体系结构 · 计算机科学 2017-10-17 Milad Mahdian , Edmund Yeh

In this paper we deal with a network of computing agents with local processing and neighboring communication capabilities that aim at solving (without any central unit) a submodular optimization problem. The cost function is the sum of many…

最优化与控制 · 数学 2020-05-26 Andrea Testa , Francesco Farina , Giuseppe Notarstefano

Economic dispatch problem for a networked power system has been considered. The objective is to minimize the total generation cost while meeting the overall supply-demand balance and generation capacity. In particular, a more practical…

系统与控制 · 计算机科学 2019-05-01 Seungjoon Lee , Hyungbo Shim

The retrieval problem is the problem of associating data with keys in a set. Formally, the data structure must store a function f: U ->{0,1}^r that has specified values on the elements of a given set S, a subset of U, |S|=n, but may have…

数据结构与算法 · 计算机科学 2008-03-27 Martin Dietzfelbinger , Rasmus Pagh

Modern large-scale distributed storage systems use erasure codes to protect against node failures with low storage overhead. In practice, the failure rate and other factors of storage devices in the system may vary significantly over time,…

信息论 · 计算机科学 2023-08-15 Xiangliang Kong

Batching has a fundamental influence on the efficiency of deep neural network (DNN) execution. However, for dynamic DNNs, efficient batching is particularly challenging as the dataflow graph varies per input instance. As a result,…

机器学习 · 计算机科学 2023-02-09 Siyuan Chen , Pratik Fegade , Tianqi Chen , Phillip B. Gibbons , Todd C. Mowry

Clustering aims to group unlabeled objects based on similarity inherent among them into clusters. It is important for many tasks such as anomaly detection, database sharding, record linkage, and others. Some clustering methods are taken as…

数据库 · 计算机科学 2024-12-02 Binbin Gu , Saeed Kargar , Faisal Nawab

Die-stacked DRAM has been proposed for use as a large, high-bandwidth, last-level cache with hundreds or thousands of megabytes of capacity. Not all workloads (or phases) can productively utilize this much cache space, however.…

Most data analytical pipelines often encounter the problem of querying inconsistent data that violate pre-determined integrity constraints. Data cleaning is an extensively studied paradigm that singles out a consistent repair of the…

数据库 · 计算机科学 2022-08-29 Zhiwei Fan , Paraschos Koutris , Xiating Ouyang , Jef Wijsen

Minimizing the difference of two submodular (DS) functions is a problem that naturally occurs in various machine learning problems. Although it is well known that a DS problem can be equivalently formulated as the minimization of the…

机器学习 · 计算机科学 2024-04-08 Marwa El Halabi , George Orfanides , Tim Hoheisel

In traditional on-line problems, such as scheduling, requests arrive over time, demanding available resources. As each request arrives, some resources may have to be irrevocably committed to servicing that request. In many situations,…

数据结构与算法 · 计算机科学 2013-05-29 Michael A. Bender , Martin Farach-Colton , Sándor P. Fekete , Jeremy T. Fineman , Seth Gilbert

Robin Hood hashing is a variation on open addressing hashing designed to reduce the maximum search time as well as the variance in the search time for elements in the hash table. While the case of insertions only using Robin Hood hashing is…

数据结构与算法 · 计算机科学 2014-07-14 Michael Mitzenmacher

Distributed storage systems with replication are well known for storing large amount of data. A large number of replication is done in order to provide reliability. This makes the system expensive. Various methods have been proposed over…

分布式、并行与集群计算 · 计算机科学 2013-10-01 Mit Sheth , Krishna Gopal Benerjee , Manish K. Gupta