About: http://webisa.webdatacommons.org/56832166

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	Principal curves, like principal components, are a tool used in multivariate analysis for ends like feature extraction.
http://www.w3.org/ns/prov#wasQuotedFrom	ieee.org