<http://webisa.webdatacommons.org/451683745>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.de> .
<http://webisa.webdatacommons.org/451683745>	<http://www.w3.org/ns/prov#value>	"Such rule-based systems are well known in the industry, and constructing or incorporating such a system is a task well understood by experienced practitioners skilled in the art." .
<http://webisa.webdatacommons.org/prov/490429308>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/451683745> .
<http://webisa.webdatacommons.org/451683745>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .