About: http://webisa.webdatacommons.org/340096741

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	Looking at an example analysis and implementation is often helpful - here is a presentation and sample python implementation for a short-interest factor model (disclosure I work at Quantopian).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com