About: http://webisa.webdatacommons.org/33176780

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	Mario Giampietro (one of the chairs of the conference committee) talked about the difficulty of aggregating different types of energy, when they have quality difference, and really cannot be substituted for each other.
http://www.w3.org/ns/prov#wasQuotedFrom	energybulletin.net