About: http://webisa.webdatacommons.org/55850123

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	Custom build rules are an extention to the above, it is a generic way to take a file with a certain extention, and build it into some other files.
http://www.w3.org/ns/prov#wasQuotedFrom	codeguru.com