PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the frequency domain watermarking employs transform techniques such as Fourier transform, discrete cosine transform, or the like for embedding and extraction, so there exists a drawback in that it has a complicated algorithm and requires lots of arithmetic operations, but it has an advantage in that it is robust on general attacks such as filtering or compressions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com