About: http://webisa.webdatacommons.org/109423347

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	In this lesson, you will be introduced to the concepts of joins including what joins are and what they do, categorizing the types of joins, and joining data using inner, outer, and cross joins. 163.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net