About: http://webisa.webdatacommons.org/158612903

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	Additionally, other types of actuators, spring-mass systems, and feedback devices can be used to provide haptic device according to the principles of the invention disclosed above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com