Hidden-Web Database Exploration

Nowadays, most of search engines used in the world can only provide searches to the content of the publicly indexable Web (PIW). However, tremendous amount of high quality content "hidden" behind search forms are ignored. Generally, they are in large searchable online databases. In this paper, we introduce a prototype system to address this problem. Our system is based on some techniques, such as the form identification, parsing, hidden database analysis and statistics. Some experiment results are also presented