Method for building a data network search engine for child and youth-free data network domains, use of the data network search engine and method for building a data network database

摘要

The invention relates to a comprehensive access control system, especially a parental control system for a data network such as the Internet. Said access control system prevents children and teen-agers from accessing information for adult viewing only, or employees from accessing private information, and also prevents misuse of the data network (for instance, the Internet).