About: http://webisa.webdatacommons.org/219528455

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	Additions to the NSMutableAttributedString class primarily involve setting graphical attributes, such as font, super- or subscripting, and alignment, and making these attributes consistent after changes.
http://www.w3.org/ns/prov#wasQuotedFrom	apple.com