About: http://webisa.webdatacommons.org/102570654

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	Even Federer???s old racquet, the Pro Staff 90, which should not be used by anybody other than a professional, sells off the charts.
http://www.w3.org/ns/prov#wasQuotedFrom	tennisnerds.com