<http://webisa.webdatacommons.org/prov/253441836>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/222183726> .
<http://webisa.webdatacommons.org/222183726>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/222183726>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/222183726>	<http://www.w3.org/ns/prov#value>	"by Anders Hejdenberg, free registration needed to read the article.Citing from Roger Caillois's book Man, Play, and Games the following is a useful system of classifying the different types of experiences that are present in games." .