About: http://webisa.webdatacommons.org/339938308

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	Today's column is a mailbag, which used to be a weekly tradition, but which is now an irregular tradition at best, since the blog(s) provide a more immediate opportunity for reader interaction.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com