| http://www.w3.org/ns/prov#value | - Authenticity may preferably be defined in three varieties: ???tool signed,??? which guarantees that the eBook title was generated by a trusted conversion and encryption tool; ???owner signed,??? which is a tool signed eBook that also guarantees the authenticity of the content in the copy (e.g., the owner may be the author or other copyright holder); and ???provider signed,??? which is a tool signe
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