About: http://webisa.webdatacommons.org/41703665

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	In tournament bridge circles (a group including many leading traders and investors) we often give a problem on a napkin.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com