About: http://webisa.webdatacommons.org/405459159

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 system of claim 1, the plurality of feature specific filters comprising a second feature-specific filter that is trained using a subset of features extracted from the message other than a URL and an IP address.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca