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Finding minimum spanning trees (MST) in various types of networks is a well-studied problem in theory and practical applications. A number of efficient algorithms have been already developed for this problem. In this paper we present an efficient algorithm, namely Edge Pruned Minimum Spanning Tree (EPMST) algorithm, which combines ideas from randomized selection, Kruskal's algorithm and Prim's algorithm...
This paper investigates the suitability of the Particle Swarm Optimization (PSO) and the Differential Evolution (DE) algorithms in solving expensive optimization problems. Eight PSO variants, and eight DE variants are experimentally compared among each other. The Comparing Continuous Optimizers (COCO) methodology was adopted in comparing these variants on the noiseless BBOB test bed. Based on the...
In this paper, we propose a new algorithm to compute the strength of passwords based on two measurements, mainly: password entropy and password quality. The passwords considered by the algorithm consist of eight characters alpha numeric with special characters. For such passwords, the analysis phase identified the low/high entropy patterns and low/high quality passwords. The analysis yields two rules:...
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