About: http://webisa.webdatacommons.org/311301741

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	SIERA ??? Skill-Interactive ERA SIERA was created as an alternative to FIP and xFIP, arguing that pitchers can control the types of balls in play they allow, even if they can not control the outcome of those balls.
http://www.w3.org/ns/prov#wasQuotedFrom	fullspectrumbaseball.com