About: http://webisa.webdatacommons.org/447111937

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	You use shapes to represent various activities for interacting with messages including expressions and flow control to model common programming semantics such as loops, message assignment, and variable initialization.
http://www.w3.org/ns/prov#wasQuotedFrom	devx.com