Historically, URIs were mostly seen as simply the way you accessed Web pages. These pages were hand-authored, relatively stable and simply shipped out on demand. More and more often that is no longer the case; in at least three different ways:
This finding addresses the questions "When should URNs or URIs with novel URI schemes be used to name information resources for the Web?" and "Should registries be provided for such identifiers?". The answers given are "Rarely if ever" and "Probably not". Common arguments in favor of such novel naming schemas are examined, and their properties compared with those of the existing http: URI scheme.