1. A computer-based method for determining information from a database in response to an input uniform resource identifier (URI), comprising: receiving, with a computer, an input URI having an associated domain; retrieving, with the computer, a regular expression that is associated with the domain; applying, with the computer, the retrieved regular expression to the received URI to produce a new URI that references an entry in a database; and retrieving, with the computer, information about the entry in the database that is referenced by the new URI.