About: http://webisa.webdatacommons.org/66733795

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	center is the narrowest opening, i.e., the ???neck??? of the pore, signified
http://www.w3.org/ns/prov#wasQuotedFrom	nanowerk.com