About: http://webisa.webdatacommons.org/217324892

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	Some important notions related to local and global geometry of curves and surfaces were, including different kinds of curvature.
http://www.w3.org/ns/prov#wasQuotedFrom	psu.edu