About: http://webisa.webdatacommons.org/30273040

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 method as claimed in claim 14, wherein the screen is selected from the group consisting of a standard screen for projectors, a paper, a floor, a ceiling, wall, any cover of any form, such as square, circle, oval, or polygon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com