<http://webisa.webdatacommons.org/113811554>	<http://www.w3.org/ns/prov#value>	"For each i in {1,. . .,n} Si is a symbol" .
<http://webisa.webdatacommons.org/prov/54186039>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/113811554> .
<http://webisa.webdatacommons.org/113811554>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/113811554>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .