About: http://webisa.webdatacommons.org/286944670

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	It turns out, however, that there is a problem with just specifying POINTER_MOTION_MASK. This will cause the server to add a new motion event to the event queue every time the user moves the mouse.
http://www.w3.org/ns/prov#wasQuotedFrom	learningpython.com