About: http://webisa.webdatacommons.org/228969686

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	??? Maintain and repair mechanical systems such as boilers and air conditioners and other air cooling systems; maintain and repair lighting systems in buildings and other city facilities, including parking lots.
http://www.w3.org/ns/prov#wasQuotedFrom	calopps.org