About: http://webisa.webdatacommons.org/130564367

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	Visual aids, such as whiteboards or chalkboards, charts, maps, flash cards, and calendars are commonly used.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org