About: http://webisa.webdatacommons.org/31783382

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	Referring to FIG. 21, some embodiments of the invention comprise an access port 150 with a layer of self-sealing material 152 as described above, or other self-sealing material known in the arts, such as urethane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com