Epidemic K-Means clustering
Di Fatta, G., Blasa, F., Cafiero, S. and Fortino, G. (2011) Epidemic K-Means clustering. In: 2011 IEEE 11th International Conference on Data Mining Workshops (ICDMW), 2011, Vancouver, BC , pp. 151-158.
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To link to this article DOI: 10.1109/ICDMW.2011.76
The K-Means algorithm for cluster analysis is one of the most influential and popular data mining methods. Its straightforward parallel formulation is well suited for distributed memory systems with reliable interconnection networks. However, in large-scale geographically distributed systems the straightforward parallel algorithm can be rendered useless by a single communication failure or high latency in communication paths. This work proposes a fully decentralised algorithm (Epidemic K-Means) which does not require global communication and is intrinsically fault tolerant. The proposed distributed K-Means algorithm provides a clustering solution which can approximate the solution of an ideal centralised algorithm over the aggregated data as closely as desired. A comparative performance analysis is carried out against the state of the art distributed K-Means algorithms based on sampling methods. The experimental analysis confirms that the proposed algorithm is a practical and accurate distributed K-Means implementation for networked systems of very large and extreme scale.
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