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ISW
2000
Springer
15 years 8 months ago
A Watermarking Scheme Based on the Characteristic of Addition among DCT Coefficients
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...
Minoru Kuribayashi, Hatsukazu Tanaka
CAISE
2000
Springer
15 years 8 months ago
Temporally Faithful Execution of Business Transactions
Serializability is a prominent correctness criterion for an interleaved execution of concurrent transactions. Serializability guarantees that the interleaved execution of concurre...
Werner Obermair, Michael Schrefl
IDA
2000
Springer
15 years 4 months ago
Discovery of multivalued dependencies from relations
Discovery of multivalueddependenciesfrom database relations isviewed as a search in a hypothesis space de ned according to the generalisation relationship among multivalued depend...
Iztok Savnik, Peter A. Flach
ICEIS
2000
IEEE
15 years 8 months ago
World Wide News Gathering Automatic Management
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...
Luís Veiga, Paulo Ferreira
ISW
2000
Springer
15 years 8 months ago
Weighted One-Way Hash Chain and Its Applications
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...
Sung-Ming Yen, Yuliang Zheng