About: http://webisa.webdatacommons.org/5194324

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	For example, organic substances having highly polar groups such as carboxyl groups, ketone groups, nitro groups, or halogen groups are generally Lewis acids.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com