About: http://webisa.webdatacommons.org/371437449

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	Singleton is a well known design pattern, and many description of it may be found on the Internet.
http://www.w3.org/ns/prov#wasQuotedFrom	lgiordani.com