About: http://webisa.webdatacommons.org/391308344

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	I found example where consumer was highly optimized , it was using isEmpty in loop to check whether some element is available or not and incase when there is an element then it will call take to retrieve element.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com