<http://webisa.webdatacommons.org/prov/54955830>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/370262757> .
<http://webisa.webdatacommons.org/370262757>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/370262757>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/347739891>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/370262757> .
<http://webisa.webdatacommons.org/370262757>	<http://www.w3.org/ns/prov#value>	"Examples of each group of R???1, R???2 and Y??? are independently the same as examples of respective groups of R???1, R???2 and Y??? in formula (2), and preferred examples are also the same." .