About: http://webisa.webdatacommons.org/226661019

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	Similarly with riddles, puzzles, and the puzzle-like games of strategy such as bridge, chess, and go; the frequency with which man has devised such problems for his own solution is a most significant fact concerning human motivation.
http://www.w3.org/ns/prov#wasQuotedFrom	yorku.ca