About: http://webisa.webdatacommons.org/137050586

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	In alternate embodiments, dynamic billboard 512 may be used for other purposes such as, for example, video conferencing, instant messaging, distance learning/instruction, news updates, or other uses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com