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<http://webisa.webdatacommons.org/prov/213117543>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/188128280> .
<http://webisa.webdatacommons.org/188128280>	<http://www.w3.org/ns/prov#value>	"However, many of the most popular rich web apps today are from Google, including Maps, Reader, Docs, and Sheets." .
<http://webisa.webdatacommons.org/188128280>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<roughlydrafted.com> .