About: http://webisa.webdatacommons.org/436223710

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	That is a request if it is not in the game.(I do not see how it could not be in the game) Research is represented abstractly by the ability to build units ahead of their year of arrival, providing all of that type are already built.
http://www.w3.org/ns/prov#wasQuotedFrom	matrixgames.com