About: http://webisa.webdatacommons.org/267877544

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	Dialog systems use text, voice and other means to carry out conversations with humans in order to achieve some objective.
http://www.w3.org/ns/prov#wasQuotedFrom	gmu.edu