PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I would find the most value in a description of how many blogs are in various fields, such as ???energy???, ???engineering???, or ???science and technology??? (perhaps with subcategories such as earth sciences, physics, geology, etc.).
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogherald.com