About: http://webisa.webdatacommons.org/43795992

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	@Gwaredd, I was trying to get you to have a closer look at the link, where it says that there is no such thing as placement delete and if you want to do what your trying to do, you will need to track the size yourself. :)
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com