The ISO standardisation process for the DOI system is underway, indicating future improvements in digital object identifiers.
Following on from my previous post about prism:doi I didn't mention, or reference, the ongoing ISO work on DOI, Indeed I hadn't realized that the DOI site now has a status update on the ISO work: _"The DOI® System is currently being standardised through ISO.
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Tony Hammond (2008) studied this question.
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