About: http://webisa.webdatacommons.org/304360162

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 invention also includes a golf ball wherein the center including the material has a first point having a first hardness and a second point having a second hardness that is at least about 10 percent greater than the first hardness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com