About: http://webisa.webdatacommons.org/16217236

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 problem is that piece.h and board.h depend on each other (by including each other).
http://www.w3.org/ns/prov#wasQuotedFrom	gamedev.net