About: http://webisa.webdatacommons.org/286809370

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	Usually these puzzles are easily doable without even knowing there is a theme, and then the theme evokes a big "so what? (eg. hidden cost).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com