Semi-structured XML data for the characteristics and the probability of query theory, combined with the ant colony algorithm, crossover operator and proposed to add pheromone update method can not only dynamically select the data direction query, but also to avoid invalid query, the query to expand the scope of data improve the efficiency of contraction. Simulation tests proved that the method can optimize XML queries.

基于蚁群算法的XML概率查询策略与算法优化.pdf

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