About: http://webisa.webdatacommons.org/436500935

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	This invention can thus be easily used to detect surfaces. This is particularly interesting as it would preclude having to purchase systems which are much more complex such as optical detectors or lasers, which are much more costly.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com