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In this paper, we study the problem of designing prefix-free encoding schemes having minimum average code length that can be decoded efficiently under a decode cost model that captures memory hierarchy induced cost functions. We also study…

数据结构与算法 · 计算机科学 2021-10-22 Shashwat Banchhor , Rishikesh Gajjala , Yogish Sabharwal , Sandeep Sen

Erasure coding techniques are getting integrated in networked distributed storage systems as a way to provide fault-tolerance at the cost of less storage overhead than traditional replication. Redundancy is maintained over time through…

分布式、并行与集群计算 · 计算机科学 2012-06-12 Lluis Pamies-Juarez , Frédérique Oggier , Anwitaman Datta

The problem of community detection in networks is usually formulated as finding a single partition of the network into some "correct" number of communities. We argue that it is more interpretable and in some regimes more accurate to…

Basic block reordering is an important step for profile-guided binary optimization. The state-of-the-art goal for basic block reordering is to maximize the number of fall-through branches. However, we demonstrate that such orderings may…

编程语言 · 计算机科学 2020-04-14 Andy Newell , Sergey Pupyrev

Community detection is a discovery tool used by network scientists to analyze the structure of real-world networks. It seeks to identify natural divisions that may exist in the input networks that partition the vertices into coherent…

社会与信息网络 · 计算机科学 2019-09-24 Neda Zarayeneh , Ananth Kalyanaraman

Providing security for messages in group communication is more essential and critical nowadays. In group oriented applications such as Video conferencing and entertainment applications, it is necessary to secure the confidential data in…

密码学与安全 · 计算机科学 2012-12-13 R. Velumadhava Rao , K. Selvamani , R. Elakkiya

In the search for highly efficient decoders for short LDPC codes approaching maximum likelihood performance, a relayed decoding strategy, specifically activating the ordered statistics decoding process upon failure of a neural min-sum…

信息论 · 计算机科学 2024-03-26 Guangwen Li , Xiao Yu

We develop a new algorithmic framework for designing approximation algorithms for cut-based optimization problems on capacitated undirected graphs that undergo edge insertions and deletions. Specifically, our framework dynamically maintains…

数据结构与算法 · 计算机科学 2026-01-15 Gramoz Goranci , Monika Henzinger , Peter Kiss , Ali Momeni , Gernot Zöcklein

The feeder reconfiguration problem chooses the on/off status of the switches in a distribution network in order to minimize a certain cost such as power loss. It is a mixed integer nonlinear program and hence hard to solve. A popular…

最优化与控制 · 数学 2015-12-22 Qiuyu Peng , Steven H. Low

Group authentication is a method of confirmation that a set of users belong to a group and of distributing a common key among them. Unlike the standard authentication schemes where one central authority authenticates users one by one, group…

密码学与安全 · 计算机科学 2024-05-07 Sueda Guzey , Gunes Karabulut Kurt , Enver Ozdemir

In this paper, we introduce a family of sequential decision-making problems, collectively termed the Keychain Problem, that involve exploring a set of actions to maximize expected payoff when only a subset of actions are available in each…

计算机科学与博弈论 · 计算机科学 2026-02-13 Ramiro N. Deo-Campo Vuong , Robert Kleinberg , Aditya Prasad , Eric Xiao , Haifeng Xu

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

In this study, a new scheduling strategies for low-density parity-check (LDPC) codes under layered belief propagation (LBP) is designed. Based on the criteria of prioritizing the update of check nodes with lower error probabilities, we…

信息论 · 计算机科学 2025-06-17 Chenyuan Jia , Dongxu Chang , Ruiyuan Wang , Guanghui Wang , Guiying Yan , Cunquan Qu

Hashing has proven a valuable tool for large-scale information retrieval. Despite much success, existing hashing methods optimize over simple objectives such as the reconstruction error or graph Laplacian related loss functions, instead of…

机器学习 · 计算机科学 2014-07-07 Guosheng Lin , Chunhua Shen , Jianxin Wu

With increased reliance on cyber infrastructure, large scale power networks face new challenges owing to computational scalability. In this paper we focus on developing an asynchronous decentralized solution framework for the Unit…

分布式、并行与集群计算 · 计算机科学 2019-04-15 Paritosh Ramanan , Murat Yildirim , Edmond Chow , Nagi Gebraeel

Dead code introduces several challenges in software development, such as increased binary size and maintenance difficulties. It can also obscure logical errors and be exploited for obfuscation in malware. For LLM-based code-related tasks,…

软件工程 · 计算机科学 2025-06-16 Minyu Chen , Guoqiang Li , Ling-I Wu , Ruibang Liu

Serializability is a well-understood concurrency control mechanism that eases reasoning about highly-concurrent database programs. Unfortunately, enforcing serializability has a high-performance cost, especially on geographically…

编程语言 · 计算机科学 2021-03-10 Kia Rahmani , Kartik Nagar , Benjamin Delaware , Suresh Jagannathan

Hash center-based deep hashing methods improve upon pairwise or triplet-based approaches by assigning fixed hash centers to each class as learning targets, thereby avoiding the inefficiency of local similarity optimization. However, random…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Shuo Yin , Zhiyuan Yin , Yuqing Hou , Rui Liu , Yong Chen , Dell Zhang

The base station-mobile device communication traffic has dramatically increased recently due to mobile data, which in turn heavily overloaded the underlying infrastructure. To decrease Base Station (BS) interaction, intra-cell communication…

信息论 · 计算机科学 2021-10-04 Elif Haytaoglu , Erdi Kaya , Suayb S. Arslan

The hierarchical caching system where a server connects with multiple mirror sites, each connecting with a distinct set of users, and both the mirror sites and users are equipped with caching memories has been widely studied. However all…

信息论 · 计算机科学 2022-09-21 Yun Kong , Youlong Wu , Minquan Cheng