> one feature of Linked Data URLs, at least as currently
> implemented, is that by default you will get back a
> human-readable version of the resource (i.e. HTML).
> To get around that, you need to specify in the HTTP
> request header that what you actually want is XML, or
> RDF, or whatever.
A clarification may be needed, here. What you describe is not specific for Linked Data.
It is an HTTP feature specific to some (i.e. many different) web server configurations.
Not all Linked Data are used together with CN, either. More information about this
question may be found at
http://www.w3.org/wiki/HashVsSlash and the links this document points to as well as
http://www.w3.org/TR/swbp-vocab-pub/ which also provides good information.