About: http://webisa.webdatacommons.org/406299147

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	The probe message may be a short a message, such as a ???ping??? message, that elicits a response from the second computing system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com