About: http://webisa.webdatacommons.org/378200460

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 other words, the set of phase values representing the four possible states of the incoming two bit word digital signals can be 2n??+(0, ??/2, ??, and 3??/2), n=0, 1, 2, 3, 4, where n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com