About: http://webisa.webdatacommons.org/285096297

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	Additionally, the portal can have substantially any shape, such as round or rectangular, and the position of the portal can range from vertical to horizontal or any angle therebetween.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com