About: http://webisa.webdatacommons.org/299517619

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	Years ago came out the issue of florescent lamp flicker, supposedly too fast to see, but you could see a flicker and some people reported headaches and other issues.
http://www.w3.org/ns/prov#wasQuotedFrom	sculpture.net