The Handle System
A comment in my discussion area yesterday noted that, for the Koper link, "they actually use the Handle system and state explicitly to point instead to http://hdl.handle.net/1820/238" (or hdl:1820/238, though most browsers don't support that notation). The idea of the handle system is that, instead of pointing directly to a link, you point to a handle proxy server, which will redirect you to the link. More...