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Content Provider | IEEE Xplore Digital Library |
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Author | Kiselev, I. Alhajj, R. |
Copyright Year | 2008 |
Description | Author affiliation: Dept. of Comput. Sci., Univ. of Calgary, Calgary, AB (Kiselev, I.; Alhajj, R.) |
Abstract | The task of continuous online unsupervised learning of streaming data in complex dynamic environments under conditions of uncertainty requires the maximizing (or minimizing) of a certain similarity-based objective function defining an optimal segmentation of the input data set into clusters, which is an NP-hard optimization problem in a general metric space and is computationally intractable for real-world problems of practical interest. This paper describes the developed adaptive multi-agent approach to continuous online clustering of streaming data, which is originally sensitive to environmental variations and provides a fast dynamic response with event-driven incremental improvement of optimization results, trading-off operating time and result quality. Our two main contributions include a computationally efficient market-based algorithm of continuous agglomerative hierarchical clustering of streaming data and a knowledge-based self-organizing multi-agent system for implementing it. Experimental results demonstrate the strong performance of the implemented multi-agent learning system for continuous online clustering of both synthetic datasets and datasets from the RoboCup Soccer and Rescue domains. |
Starting Page | 148 |
Ending Page | 153 |
File Size | 1433220 |
Page Count | 6 |
File Format | |
ISBN | 9780769534961 |
DOI | 10.1109/WIIAT.2008.368 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-12-09 |
Publisher Place | Australia |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | market-based dynamic distributed resource allocation Adaptive systems Multiagent systems Uncertainty Online unsupervised learning multi-agent system Extraterrestrial measurements anytime coalition formation Unsupervised learning Intelligent agent Learning systems Clustering algorithms Time factors Intelligent systems |
Content Type | Text |
Resource Type | Article |
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