About: http://webisa.webdatacommons.org/89963181

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	One of the great strengths of Ext JS in particular has always been its extensibility, which has engendered a cottage industry of extensions, plugins, themes and other add-ons to the framework.
http://www.w3.org/ns/prov#wasQuotedFrom	sencha.com