About: http://webisa.webdatacommons.org/52037788

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 technology can also tell the difference between passive tools made from materials such as wood, acrylic, and polystyrene foam, which would enable users with styluses made from different materials to work together on the same surface.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org