About: http://webisa.webdatacommons.org/110512920

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 data are recorded e.g. in a self clocking format (NRZI, Manchester, frequency doubling ets.) so that the clock pulses accompanying each ternary digit as recorded are readily available.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr