About: http://webisa.webdatacommons.org/148090773

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	from a gaming site, which is clearly using the term in the sense of throwing down the gauntlet i.e. issuing a challenge (usually for a competition or fight).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com