PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Various cross-linking reagents, which include formaldehyde, glutaraldehyde, epoxy compounds, and carbodiimide, have been used, but all have drawbacks, including toxicity, cross-linking rates that are difficult to control, and instability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es