About: http://webisa.webdatacommons.org/177080698

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	In some embodiments, the anchors can have shapes, such as, for example but without limitation, conical, spherical, oval, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com