About: http://webisa.webdatacommons.org/356733804

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	He began his career as a socialist and was a leader of the national insurrection in 1905, during which he trained and directed the combat forces of the Polish Socialist Party (PPS).
http://www.w3.org/ns/prov#wasQuotedFrom	blackwellreference.com