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We consider rule sets for internet packet routing and filtering, where each rule consists of a range of source addresses, a range of destination addresses, a priority, and an action. A given packet should be handled by the action from the…

Computational Geometry · Computer Science 2007-05-23 David Eppstein , S. Muthukrishnan

Data communication in sensor networks can have timing constraints like end to end deadlines. If the deadlines are not met either a catastrophe can happen in hard real time systems or performance deterioration can occur in soft real time…

Networking and Internet Architecture · Computer Science 2016-11-17 Mary Cherian , T. R. Gopalakrishnan Nair

Representing visual data using compact binary codes is attracting increasing attention as binary codes are used as direct indices into hash table(s) for fast non-exhaustive search. Recent methods show that ranking binary codes using…

Data Structures and Algorithms · Computer Science 2023-06-07 Zhenyu Weng , Huiping Zhuang , Haizhou Li , Zhiping Lin

Complex human activity recognition (CHAR) remains a pivotal challenge within ubiquitous computing, especially in the context of smart environments. Existing studies typically require meticulous labeling of both atomic and complex…

Artificial Intelligence · Computer Science 2024-08-07 Yuan Sun , Navid Salami Pargoo , Taqiya Ehsan , Zhao Zhang , Jorge Ortiz

Due to its low storage cost and fast query speed, hashing has been widely used for large-scale approximate nearest neighbor (ANN) search. Bucket search, also called hash lookup, can achieve fast query speed with a sub-linear time cost based…

Information Retrieval · Computer Science 2024-05-07 Qing-Yuan Jiang , Ming-Wei Li , Wu-Jun Li

Classifying network traffic according to their application-layer protocols is an important task in modern networks for traffic management and network security. Existing payload-based or statistical methods of application identification…

Networking and Internet Architecture · Computer Science 2011-05-31 Fei He , Fan Xiang , Yibo Xue , Jun Li

This paper is concerned with the scaling of the number of hops in a large scale wireless ad-hoc network (WANET), a quantity we call network latency. A large network latency affects all aspects of data communication in a WANET, including an…

Information Theory · Computer Science 2007-07-13 Nima Sarshar , Behnam A. Rezaei , Vwani P. Roychowdhury

Nearest neighbor search on high-dimensional vectors is fundamental in modern AI and database systems. In many real-world applications, queries involve constraints on multiple numeric attributes, giving rise to range-filtering approximate…

Databases · Computer Science 2026-02-18 Yuanhang Yu , Dawei Cheng , Ying Zhang , Lu Qin , Wenjie Zhang , Xuemin Lin

Modern deep learning models capture the semantics of complex data by transforming them into high-dimensional embedding vectors. Emerging applications, such as retrieval-augmented generation, use approximate nearest neighbor (ANN) search in…

Databases · Computer Science 2025-10-01 Guoyu Hu , Shaofeng Cai , Tien Tuan Anh Dinh , Zhongle Xie , Cong Yue , Gang Chen , Beng Chin Ooi

Data centers handle vast volumes of data that require efficient lossless compression, yet emerging probabilistic models based methods are often computationally slow. To address this, we introduce RAS, the Range Asymmetric Numeral System…

Hardware Architecture · Computer Science 2025-11-10 Yuchao Qin , Anjunyi Fan , Bonan Yan

We propose a novel perspective on varied-density clustering for high-dimensional data by framing it as a label propagation process in neighborhood graphs that adapt to local density variations. Our method formally connects density-based…

Machine Learning · Computer Science 2025-08-06 Ninh Pham , Yingtao Zheng , Hugo Phibbs

OpenFlow switches are fundamental components of software defined networking, where the key operation is to look up flow tables to determine which flow an incoming packet belongs to. This needs to address the same multi-field rule-matching…

Networking and Internet Architecture · Computer Science 2024-08-09 Yanbiao Li , Neng Ren , Xin Wang , Yuxuan Chen , Xinyi Zhang , Lingbo Guo , Gaogang Xie

Online image hashing has attracted increasing research attention recently, which receives large-scale data in a streaming manner to update the hash functions on-the-fly. Its key challenge lies in the difficulty of balancing the learning…

Information Retrieval · Computer Science 2020-01-23 Mingbao Lin , Rongrong Ji , Hong Liu , Xiaoshuai Sun , Shen Chen , Qi Tian

Many real-world applications operate on dynamic graphs that undergo rapid changes in their topological structure over time. However, it is challenging to design dynamic algorithms that are capable of supporting such graph changes…

Databases · Computer Science 2022-04-26 Muhammad Farhan , Qing Wang , Henning Koehler

There are situations where data relevant to a machine learning problem are distributed among multiple locations that cannot share the data due to regulatory, competitiveness, or privacy reasons. For example, data present in users'…

Machine Learning · Computer Science 2020-08-27 Dimitris Stripelis , Jose Luis Ambite

Very high-resolution (VHR) remote sensing (RS) scene classification is a challenging task due to the higher inter-class similarity and intra-class variability problems. Recently, the existing deep learning (DL)-based methods have shown…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Chiranjibi Sitaula , Sumesh KC , Jagannath Aryal

Labeling cost is often expensive and is a fundamental limitation of supervised learning. In this paper, we study importance labeling problem, in which we are given many unlabeled data and select a limited number of data to be labeled from…

Machine Learning · Computer Science 2021-04-13 Tomoya Murata , Taiji Suzuki

In recent years, dynamically growing data and incrementally growing number of classes pose new challenges to large-scale data classification research. Most traditional methods struggle to balance the precision and computational burden when…

Machine Learning · Computer Science 2016-11-01 Tingting Xie , Yuxing Peng , Changjian Wang

A central problem in data streams is to characterize which functions of an underlying frequency vector can be approximated efficiently. Recently there has been considerable effort in extending this problem to that of estimating functions of…

Data Structures and Algorithms · Computer Science 2018-10-25 Vladimir Braverman , Stephen R. Chestnut , Robert Krauthgamer , Yi Li , David P. Woodruff , Lin F. Yang

Automatic detection of cracks in concrete surfaces based on image processing is a clear trend in modern civil engineering applications. Most infrastructure is made of concrete and cracks reveal degradation of the structural integrity of the…

Image and Video Processing · Electrical Eng. & Systems 2021-06-11 Diego Frias , José Hidalgo