The primary intention of the POI is as a relatively persistent identifier for resources that are described by metadata 'items' in OAI-compliant repositories. Where this is the case, POIs are not explicitly assigned to resources - a POI exists implicitly because an OAI 'item' associated with the resource is made available in an OAI-compliant repository. However, POIs can be explicitly assigned to resources independently from the use of OAI repositories and the OAI-PMH if desired. As such, the POI can be seen as a possible mechanism for implementing cool URIsThe paper, worth reading, was seen on Lorcan Dempsey's weblog.
Friday, March 04, 2005
While scanning Guidelines for encoding identifiers in Dublin Core and IEEE LOM metadata by Andy Powell, Pete Johnston, Lorna Campbell and Phil Barker I noticed reference to POIs. That was one I've missed. A PURL-based Object Identifier (POI) is:
at 9:13 AM