About: http://webisa.webdatacommons.org/405364362

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	The reason is that inevitably the data are a mess and you have to clean them up, then you find out the data aren???t quite what you wanted to answer the question, so you go find a new data set and clean it up, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com