About: http://webisa.webdatacommons.org/200206687

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This is a good one, and I must admit we did play such a campaign as well (and it was good, no doubt), yet I would be more interested in crossovers of games/systems not designed as explicitly related to one another. :)
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com