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Key-based workload partitioning is a common strategy used in parallel stream processing engines, enabling effective key-value tuple distribution over worker threads in a logical operator. While randomized hashing on the keys is capable of…

分布式、并行与集群计算 · 计算机科学 2016-12-14 Junhua Fang , Rong Zhang , Tom Z. J. Fu , Zhenjie Zhang , Aoying Zhou , Junhua Zhu

Consider a distributed task where the communication network is fixed but the local inputs given to the nodes of the distributed system may change over time. In this work, we explore the following question: if some of the local inputs…

分布式、并行与集群计算 · 计算机科学 2021-01-20 Klaus-Tycho Foerster , Janne H. Korhonen , Ami Paz , Joel Rybicki , Stefan Schmid

The outsourcing of semiconductor manufacturing raises security risks, such as piracy and overproduction of hardware intellectual property. To overcome this challenge, logic locking has emerged to lock a given circuit using additional key…

密码学与安全 · 计算机科学 2025-01-30 Kevin Lopez , Amin Rezaei

Globalization of IC manufacturing has led to increased security concerns, notably IP theft. Several logic locking techniques have been developed for protecting designs, but they typically display very large overhead, and are generally…

密码学与安全 · 计算机科学 2020-05-22 Joseph Sweeney , Mohammed Zackriya , Samuel Pagliarini , Lawrence Pileggi

Write-optimized dictionaries are a class of cache-efficient data structures that buffer updates and apply them in batches to optimize the amortized cache misses per update. For example, a B^epsilon tree inserts updates as messages at the…

数据结构与算法 · 计算机科学 2024-04-29 Christopher Chung , William Jannen , Samuel McCauley , Bertrand Simon

Analysis of entire programs as a single unit, or whole-program analysis, involves propagation of large amounts of information through the control flow of the program. This is especially true for pointer analysis, where, unless significant…

数据结构与算法 · 计算机科学 2025-10-28 Anamitra Ghorui , Uday P. Khedker

Channel coding aims to minimize errors that occur during the transmission of digital information from one place to another. Low-density parity-check (LDPC) codes can detect and correct transmission errors if one encodes the original…

信息论 · 计算机科学 2018-03-14 Banu Kabakulak , Z. Caner Taşkın , Ali Emre Pusane

We consider multi-access coded caching problem introduced by Hachem et.al., where each user has access to $L$ neighboring caches in a cyclic wrap-around fashion. We focus on the deterministic schemes for a specific class of multi-access…

信息论 · 计算机科学 2021-02-26 Shanuja Sasi , B. Sundar Rajan

In many real-world problems and applications, finding only a single element, even though the best, among all possible candidates, cannot fully meet the requirements. We may wish to have a collection where each individual is not only…

神经与进化计算 · 计算机科学 2024-04-17 Jiongzhi Zheng , Jinghui Xue , Kun He , Chu-Min Li , Yanli Liu

The degree-corrected block model (DCBM), latent space model (LSM), and $\beta$-model are all popular network models. We combine their modeling ideas and propose the logit-DCBM as a new model. Similar as the $\beta$-model and LSM, the…

统计方法学 · 统计学 2025-02-25 Jiashun Jin , Jingming Wang

Maintaining the pair similarity relationship among originally high-dimensional data into a low-dimensional binary space is a popular strategy to learn binary codes. One simiple and intutive method is to utilize two identical code matrices…

信息检索 · 计算机科学 2018-11-28 Xiaoshuang Shi , Fuyong Xing , Zizhao Zhang , Manish Sapkota , Zhenhua Guo , Lin Yang

The long-lived renaming problem appears in shared-memory systems where a set of threads need to register and deregister frequently from the computation, while concurrent operations scan the set of currently registered threads. Instances of…

分布式、并行与集群计算 · 计算机科学 2014-05-22 Dan Alistarh , Justin Kopinsky , Alexander Matveev , Nir Shavit

The unit commitment (UC) problem, which determines operating schedules of generation units to meet demand, is a fundamental task in power systems operation. Existing UC methods using mixed-integer programming are not well-suited to highly…

系统与控制 · 电气工程与系统科学 2022-12-13 Patrick de Mars

Next-generation communication networks are envisioned to extensively utilize storage-enabled caching units to alleviate unfavorable surges of data traffic by pro-actively storing anticipated highly popular contents across geographically…

网络与互联网体系结构 · 计算机科学 2019-02-20 Alireza Sadeghi , Antonio G. Marques , Georgios B. Giannakis

Similarity-based Hierarchical Clustering (HC) is a classical unsupervised machine learning algorithm that has traditionally been solved with heuristic algorithms like Average-Linkage. Recently, Dasgupta reframed HC as a discrete…

数据结构与算法 · 计算机科学 2020-10-02 Ines Chami , Albert Gu , Vaggos Chatziafratis , Christopher Ré

In this paper, we consider a class of nonconvex (not necessarily differentiable) optimization problems called generalized DC (Difference-of-Convex functions) programming, which is minimizing the sum of two separable DC parts and one…

最优化与控制 · 数学 2023-08-07 Hongjin He , Zhiyuan Zhang

Secure group communication in heterogeneous environment is gaining popularity due to the advent of wireless and ubiquitous computing. Although a number of protocols for group key agreement have been proposed, most of them are not applicable…

密码学与安全 · 计算机科学 2009-08-19 Mounita Saha , Dipanwita Roy Chowdhury

Machine learning (ML) explainability is central to algorithmic transparency in high-stakes settings such as predictive diagnostics and loan approval. However, these same domains require rigorous privacy guaranties, creating tension between…

密码学与安全 · 计算机科学 2026-01-08 Firas Ben Hmida , Zain Sbeih , Philemon Hailemariam , Birhanu Eshete

We study how to reduce the reconfiguration time in hybrid optical-electrical Datacenter Networks (DCNs). With a layer of Optical Circuit Switches (OCSes), hybrid optical-electrical DCNs can reconfigure its logical topologies to better match…

网络与互联网体系结构 · 计算机科学 2023-12-20 Shuyuan Zhang , Shu Shan , Shizhen Zhao

In data centers, data replication is the primary method used to ensure availability of customer data. To avoid correlated failure, cloud storage infrastructure providers model hierarchical failure domains using a tree, and avoid placing a…

数据结构与算法 · 计算机科学 2017-04-21 K. Alex Mills , R. Chandrasekaran , Neeraj Mittal