About: http://webisa.webdatacommons.org/308889897

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	The Population I component of the Galaxy, highly limited to the flat plane of the system, contains such objects as open star clusters, O and B stars, Cepheid variables, emission nebulas, and neutral hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	britannica.com