About: http://webisa.webdatacommons.org/433680889

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	From there, figuring out which data point the user was closest to when they touched is a trivial matter of looping thru the translated data point x-positions and comparing to the MotionEvent x-position. :)
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com