About: http://webisa.webdatacommons.org/298376201

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	Here is the moral to the story: In your plugin's readme.txt file, there is a Requires at least version number in the header.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com