About: http://webisa.webdatacommons.org/22153443

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	This method was suggested by Mr. Alvin Leon Roth when the opening is a Weak Two in Hearts, and promises values anywhere from 9 to 12 high card points.
http://www.w3.org/ns/prov#wasQuotedFrom	bridgeguys.com