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Threshold-Based Widespread Event Detection.


ABSTRACT: Widespread event detection is a fundamental network function that has many important applications in cybersecurity, traffic engineering, and distributed data mining. This paper introduces a new probabilistic threshold-based event detection problem, which is to find all events that appear in any w-out-of-a monitors with probabilistic guarantee on false positives, where a is the total number of monitors and the threshold w(? a) is a positive integer parameter that can be arbitrarily set, according to specific application requirements. We develop an efficient threshold filter solution and its improved versions, which combine Bloom filters, counting Bloom filter, threshold filter and compressed filters in a series of encoding and filtering steps, providing tradeoff between detection accuracy and communication overhead. We theoretically optimize the system parameters in the proposed solutions to minimize the communication overhead under the constraint of probabilistic detection guarantee. Extensive simulations demonstrate the practical viability of the proposed solutions in their ability of finding widespread events in a large network with few false positives and low communication overhead.

SUBMITTER: Zhou Y 

PROVIDER: S-EPMC7597374 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Threshold-Based Widespread Event Detection.

Zhou You Y   Zhou Yian Y   Chen Shigang S  

Proceedings. International Conference on Distributed Computing Systems 20190101


Widespread event detection is a fundamental network function that has many important applications in cybersecurity, traffic engineering, and distributed data mining. This paper introduces a new probabilistic threshold-based event detection problem, which is to find all events that appear in any <i>w</i>-out-of-<i>a</i> monitors with probabilistic guarantee on false positives, where <i>a</i> is the total number of monitors and the threshold <i>w</i>(≤ <i>a</i>) is a positive integer parameter tha  ...[more]

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2014-10-10 | GSE53567 | GEO