A knowledge based search engine is provided. A system and a method for searching a network such as the Internet based in part on relationships in a social network is described. Descriptive data and searching parameters associated with various users is collected and stored such that users can group themselves based on the descriptive data. Information that is deemed by users to be relevant to a particular group is collected and organized in a database to be used in information gathering for future searches by the users, in addition to other resources, such as other search engines. Through the system and method for searching a network, a group of users decide what information is highly relevant content information for the group. The system also allows a user to rank resources from which to gather information.