SI is a subject identifier service providing URI endpoints for Wandora and similar applications. The service returns a web page for all known and unknown subject identifier URIs within the domain and path. Subject resources of known identifiers may have more information about the subject.
Default association
http://wandora.org/si/core/default-association
Sometimes the user may want to create an association but doesn't care association's type. This is a subject identifier for default association type topic used in Wandora application.