PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The problem is particularly bad when the defects cluster together in so-called ???pile-ups.??? One of the best methods for studying crystal defects is to observe the image of x-rays diffracted from the crystal planes, a technique called x-ray topography.
http://www.w3.org/ns/prov#wasQuotedFrom
  • anl.gov