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Clustering is one of the most fundamental problems in data analysis and it has been studied extensively in the literature. Though many clustering algorithms have been proposed, clustering theories that justify the use of these clustering algorithms are still unsatisfactory. In particular, one of the fundamental challenges is to address the following question: What is a cluster in a set of data points?...
Previous research of ant-based routing algorithms mainly focused on energy efficiency. However, how ant-based routing algorithms perform in other metrics has been neglected. In this research, we compare the packet delivery ratio, the end-to-end delay and the first packet arrival time of an ant colony optimization (ACO) routing algorithm with three routing protocols commonly used in MANET, namely,...
Reducing program size is a critical issue in many embedded systems which require more functionalities without increasing the memory size. One of the approaches is to adopt a mixed-width instruction set architecture (ISA) which usually has an instruction set in general formats (usually 32-bit long) as normal instruction set and an instruction set in shorter format(usually 16-bit long) with limited...
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