From W3C Wiki
This interesting idea was mentioned by Tim Berners-Lee at the WWW 2004 keynote.
RDF Clipboard Type
Referenced from the SWAD-Europe Deliverable 6.2, Part 1 (Case 1. Enabling inter-application communication using content transformation).
" Tim puts forward the idea of an RDF clipboard that can determine the rules in disparate domains (e.g., dragging your bank statement onto the calendar) and having it figure out how to reconcile that in the interface (showing your purchases in a given time frame). "
" ... he described a potential "RDF clipboard" that would automatically translate content types between applications. ... "