Persistent identifiers for policy elements

Abstract

This file is a copy of<br>https://github.com/Daniel-Mietchen/events/blob/master/PIDapalooza-2018.md ,<br>which formed the basis of the talk "PIDs for policy elements", given at PIDapalooza (cf. http://pidapalooza.org/ ) in Girona on January 24, 2018.<br><br>It is written in Markdown and can be rendered with many tools, e.g. http://dillinger.io/ .<br><br