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基于遗传算法的主题信息搜索研究 被引量:1

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摘要 主题信息搜索的关键是对于主题相关信息的检索。本文提出了基于遗传算法的主题信息搜索策略,即利用通用搜索引擎获取网页URL,再根据网页间的链接关系得到初始种子集合;通过交叉操作,对父代个体进行变换,产生出大量新的个体,再从中选取主题相关度高的个体;通过变异操作,引入新种子集合,扩大URL集;通过选择操作,选出适应度高的个体作为新一代的种子进入新一轮的遗传。
出处 《网络安全技术与应用》 2009年第11期57-60,共4页 Network Security Technology & Application
基金 湖北省自然科学基金资助项目(编号:2006ABA029)
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