<http://webisa.webdatacommons.org/prov/482649415>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/256763186> .
<http://webisa.webdatacommons.org/256763186>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/256763186>	<http://www.w3.org/ns/prov#value>	"Prior Art Public knowledge existing before the date an invention was made that is related to the invention or in the field of the invention.Can include published journal articles and abstracts, previously filed patents, and in some cases, non-written knowledge made public, such as material presented at a scientific conference." .
<http://webisa.webdatacommons.org/256763186>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<drexel.edu> .