About: http://webisa.webdatacommons.org/428858950

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	So, coal is a source of energy because it store a lot of useful chemical energy liberated when we burn it 89.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net