About: http://webisa.webdatacommons.org/353791406

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For example, in the Performance Tuning week, one of the modules covers SQLOS, and each module is roughly 2-4 hours long.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlskills.com