<http://webisa.webdatacommons.org/prov/233030762>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/222737070> .
<http://webisa.webdatacommons.org/222737070>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/222737070>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/222737070>	<http://www.w3.org/ns/prov#value>	"FIG. 28a is a diagram listing the interfacing timing signals." .