<http://webisa.webdatacommons.org/287769152>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/53518018>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/287769152> .
<http://webisa.webdatacommons.org/287769152>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/287769152>	<http://www.w3.org/ns/prov#value>	"SUMMARY OF THE INVENTION The present invention relates to a system and method of blocking content, such as advertisements and other content items, which may be less preferred or unwanted by a user." .