<http://webisa.webdatacommons.org/prov/491634117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121234598> .
<http://webisa.webdatacommons.org/121234598>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121234598>	<http://www.w3.org/ns/prov#value>	"By default, the user agent shows the progress of content retrieval. (Level A) Intent of Success Criterion 2.9.2 : Users need to know that their actions are producing results even if there is a time delay." .
<http://webisa.webdatacommons.org/121234598>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<w3.org> .