About: http://webisa.webdatacommons.org/207786233

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	Symbols are used to differentiate between different types of reactions.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org