About: http://webisa.webdatacommons.org/40550275

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 captcha typically takes the form of an image containing distorted letters and/or numbers and is often used on web sites where it is important to determine whether the user is a real person or a computer program.
http://www.w3.org/ns/prov#wasQuotedFrom	owasp.org