About: http://webisa.webdatacommons.org/109168206

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 alternate embodiments, the translatory motion of board 72 along axes X and Y can be converted to two rotary degrees of freedom for user object 12 using a ball joint, pendulum, or other mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com