<http://webisa.webdatacommons.org/prov/426420472>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/238794512> .
<http://webisa.webdatacommons.org/238794512>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<packtpub.com> .
<http://webisa.webdatacommons.org/238794512>	<http://www.w3.org/ns/prov#value>	"Layers, transparency, and other properties" .
<http://webisa.webdatacommons.org/238794512>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .