I wanted to find out who invented the concept, but as these so called whitepapers floating around don't use scientific standards for citation I haven't been able to identify where the term comes from. google scholar doesn't return any reference on a keyword search.
https://github.com/DavidJohnstonCEO/DecentralizedApplicationsThere's also this, I don't know if you've read it but I think it does fall into your above category, though still informative enough to be worth reading