About: http://webisa.webdatacommons.org/14822801

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, a knob, toggle or other switch is used that allows a user to modify the pulse width by turning, for example, a knob to a particular position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr