About: http://webisa.webdatacommons.org/100828362

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	The following extract is a letter to the editor of UK-TUG magazine Baskerville Vol 5 No 2 from David Carlisle:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com