About: http://webisa.webdatacommons.org/377168338

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	Due to the diversity of facial geometry and expressions, automatic expression recognition is a challenging task.
http://www.w3.org/ns/prov#wasQuotedFrom	ieee.org