About: http://webisa.webdatacommons.org/131305105

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 some embodiments, sleep stages other than REM sleep and/or wake stages are determined.01-03-2013
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org