About: http://webisa.webdatacommons.org/179831160

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	A smile is a facial expression formed primarily by flexing the muscles at the sides of the mouth.[1] Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a Duchenne smile.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org