<http://webisa.webdatacommons.org/121399400>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121399400>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<auai.org> .
<http://webisa.webdatacommons.org/prov/219828117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121399400> .
<http://webisa.webdatacommons.org/121399400>	<http://www.w3.org/ns/prov#value>	"A regular expression is a pattern that describes a set of strings." .