About: http://webisa.webdatacommons.org/389890314

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	ads each are a thread selected from a metric thread, a buttress thread, a flat thread or a thread with a negative load-bearing angle. 7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca