About: http://webisa.webdatacommons.org/122457135

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	Maybe historical analysis of different years and players can achieve a sort of comparison without overreaching and saying if Nadal played in the 70???s ???
http://www.w3.org/ns/prov#wasQuotedFrom	tennis-x.com