About: http://webisa.webdatacommons.org/48949586

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	As an alternative to overhead projection, narrow light beams, such as laser beams, may be projected horizontally in close proximity to the court surface to define the appropriate court parameters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com