隐蔽网络及其资源检索策略研究

Research on the Invisible Web and its Information Search Strategies

介绍了隐蔽网络的基本定义,分析了隐蔽网络出现的原因。重点讨论了如何查找隐蔽网络资源。将各种方式总体上划分为间接查找和直接查找两种类型。并介绍了自动利用专业搜索引擎发现隐形网页上资源和构建面向特定任务、人工辅助的网络爬虫两种方法。

This paper introduces the basic conception of invisible web, and recognizes the reason how it appeared. In particular, the paper addresses how to extract information from the invisible web, and divides all kinds of approaches into two major group——indirect search and direct search, and introduces the approach of automatic information discovery from the invisible web and especially the approach to building a task - specific, human assisted crawler.