About: http://webisa.webdatacommons.org/228657567

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	It serves to keep leaves, debris, insects, birds, and other animals from entering a building or a screened structure such as a porch, without blocking fresh air-flow.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org