| http://www.w3.org/ns/prov#value | - For the purposes of this example, the signature used is a checksum derived using a suitable checksum calculation algorithm, such as the US Department of Defense Secure Hash Algorithm (SHA, SHA-1, SHA-224), MD5, MD2, or the older CRC 32 algorithm or other open source or proprietary algorithm capable of generating a hash signature value deemed acceptable to determine that one file is an identical co
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