About: http://webisa.webdatacommons.org/406765614

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	There are many resources on the subject, one of them is an article by your own Smashing Magazine: Designing With Grid-Based Approach14.
http://www.w3.org/ns/prov#wasQuotedFrom	smashingmagazine.com