PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • raphs, circle graphs) and explaining which types of graphs are appropriate for different kinds of data sets; 3) using fractions and percentages to compare data sets of different size; and 4) identifying ordered pairs of data from a graph and interpreting the meaning of the data in terms of the situation depicted by the graph.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathforum.org