About: http://webisa.webdatacommons.org/103283727

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	Eventually I think we can leave spans as they are right now and concentrate on the API / functionality, making things fast under the hood can be done later but getting things right to be flexible is the most important part here.
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org