12
Its all about the
service
The quality of the service relys on the fact
that relationships between the ID and the
associated location(s)
of the object (in Internet context, URL) are up-to-date
Relevant questions are:
How to maintain these relationships
(mappings)?
How to make updating of mappings between
location and identifier
low cost and reliable?
How to guarantee such a service in the long
term?
(In Internet
based digital library environment PID > URL,
in physical
library environment PID > shelf mark)