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ISW
2000
Springer
15 years 10 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 10 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 6 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 11 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 10 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