基于免疫遗传算法的多连接查询优化

给出了多连接查询优化问题的计算模型,分析了免疫遗传算法的基本原理,提出将免疫遗传算法应用于多连接查询优化问题。针对多连接查询优化问题的具体特点,给出了免疫遗传算法的设计,包括亲和度、适应度函数的设计,基于抗体浓度的选择算子、交叉算子、变异算子的设计,免疫算子的设计。

Based on immune genetic algorithm for multi-join query optimization

Gives a multi-join query optimization calculation model,analysis of the basic principles of immune genetic algorithm,propose immune genetic algorithm applied to multi-join query optimization problem.Against multi-join query optimization problem specific characteristics,gives the immune genetic algorithm design,including affinity,fitness function design,concentration of antibody-based selection operator,crossover operator,mutation operator design,immune operator design.