Magpie::Resource - Abstract base class for all resource types;
A resource is not the thing that is transferred across the wire or picked up off the disk or seen from afar while walking your dog. Each of those is only a representation. The same is true of physical objects encountered in life and never identified with URI and never made accessible on the net. Yes, it does present a bit of a quandary, but it is one that we have all learned to live with. Our eyes are not powerful enough to see identity through the representations, but our minds are powerful enough to associate identity to that which we see. Do I think of a different identifier every time I see my dog, or do I simply think of my dog as one identity and experience many representations of that identity over time (and on into memory and imagination)? Roy Fielding - July 2002
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