PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, Social Sciences Index has several advantages: the journals it indexes are among the most important and therefore likely to be available in most college and university libraries; its interdisciplinary coverage of all social sciences may be helpful when your topic borders on sociology, economics, or other social sciences; and it is somewhat easier to use than Psychological Abstracts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • questia.com