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For the dynamic shortest path problem, a novel hybrid algorithm DSP is designed, which embeds the ant colony algorithm into the A algorithm. Considering both the speed of searching and the quality of solution, in DSP algorithm, the evaluation function and the means of selecting next expanded node in A algorithm as well as searching strategy and related parameters in the ant colony algorithm are improved...
Pagerank is an algorithm for rating web pages. It introduces the relationship of citation in academic papers to evaluate the web page's authority. It gives the same weight to all edges and ignores the relevancy of web pages to the topic, resulting in a problem of topic-drift. On the analysis of several pagerank algorithms, an improved pagerank based upon thematic segments is proposed. In this algorithm,...
A new variable-structure IMM method for maneuvering target tracking using current statistical model is presented. The maximum acceleration a design parameter in current statistical model, is used to design various motion models. The model set adaptation logic according to the maximum acceleration variety is also proposed in the paper. Simulation shows that the performance of new method is superior...
Target assignment of coordinated distributed multi-agent system is an important yet difficult task. Previous methods (e.g., neural network, genetic algorithm, ant colony algorithm, particle swarm optimization and auction algorithm) used to address this problem have proved to be either too slow or not stable as far as converging to the global optimum is concerned. To address this problem, a new algorithm...
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