About: http://webisa.webdatacommons.org/197955188

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 Numbers sheet can contain a variety of objects such as tables and charts, but it can also contain other iWork objects, such as graphics, text boxes, movies, and audio.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com