About: http://webisa.webdatacommons.org/179711240

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	Also, the letters, P, W, Q, R, N, and S are used to designate comparatively rare types of stars which do not fall into the main series.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov