About: http://webisa.webdatacommons.org/158295185

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 order to facilitate the analysis, we introduce an additional coordinate to expand the sample, the new sample is x?? = (x???, R)???, R is a constant, x??? is the transpose of x.
http://www.w3.org/ns/prov#wasQuotedFrom	mdpi.com