About: http://webisa.webdatacommons.org/334208223

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	Despite their incentive value, piece-rate systems are difficult to use because standards for many types of jobs are difficult and costly to determine.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com