Generally, low frequency domain may be useful to embed a watermark in an image. However, if a watermark is embedded into low frequency components, blocking effects may occur in the...
Serializability is a prominent correctness criterion for an interleaved execution of concurrent transactions. Serializability guarantees that the interleaved execution of concurre...
Discovery of multivalueddependenciesfrom database relations isviewed as a search in a hypothesis space de ned according to the generalisation relationship among multivalued depend...
The world-wide-web does not support referential integrity, i.e. dangling references do exist. This can be very annoying; in particular, if a user pays for some service in the form...
An one-way hash chain generated by the iterative use of a one-way hash function on a secret value has recently been widely employed to develop many practical cryptographic solution...