About: http://webisa.webdatacommons.org/437915543

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	A group of researchers in Europe has developed a system that can turn walls, tables, and other surfaces into virtual touchpads or keyboards.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org