About: http://webisa.webdatacommons.org/422099468

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	Ms. Sweeney did show us slides of the Picture Exchange Communication (PEC) system, the Lite Writer, Big Mack, a bar code scanner and other devices, but her main points dealt with the psychology behind using such devices.
http://www.w3.org/ns/prov#wasQuotedFrom	autism-blog.net