About: http://webisa.webdatacommons.org/139174702

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	Improvements" are fixed assets other than buildings that add value to land, cost at least $10,000, and have an expected life of at least 10 years.
http://www.w3.org/ns/prov#wasQuotedFrom	portlandonline.com