<< Click to Display Table of Contents >> Navigation:  DOI System Overview > Value-added Services an RA can Build on the DOI System

Registration Agencies can provide various added-value services by using the multiple resolution request supported by the DOI resolution service. In contrast to the single resolution which can only return a single web address (URL) element, the multiple resolution allows making use of any useful information in any form returned in the DOI record. While the multiple resolution is typically used to acquire mulitple URLs, it is flexible enough to provide information for many other applications.

This section describes some examples of these added-value services.