1. A method of conducting a search, comprising: receiving, by a processor, a request for information from a user; determining whether a restricted resource is relevant to the request; selecting, by the processor, a human searcher based on an access right of the restricted resource; associating the restricted resource with a keyword or a category; ranking the restricted resource for the keyword or the category based on a rating of relevance of the keyword or the category to the request; allowing the human searcher an access to the restricted resource when determining that the user is not authorized for the access to the restricted resource; obtaining the information using the restricted resource; and providing the information to the user.