About: http://webisa.webdatacommons.org/387003519

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 skilled artisan recognizes that there are many such switches known in the art, such as a tetracycline switch, a zinc finger switch, a glucocorticoid switch, and so forth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com