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ER
2004
Springer
119views Database» more  ER 2004»
14 years 3 months ago
Schema Evolution in Data Warehousing Environments - A Schema Transformation-Based Approach
Abstract. In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialised integrated database. The schemas of the data sources and the in...
Hao Fan, Alexandra Poulovassilis
EUROCRYPT
2004
Springer
14 years 3 months ago
Hash Function Balance and Its Impact on Birthday Attacks
Textbooks tell us that a birthday attack on a hash function h with range size r requires r1/2 trials (hash computations) to find a collision. But this is quite misleading, being t...
Mihir Bellare, Tadayoshi Kohno
GCC
2004
Springer
14 years 3 months ago
A Software Engineering Perspective for Services Security
Services are usually developed and deployed independently; and systems can be formed by composing relevant services to achieve set goals. In such an open and dynamic environment, s...
Jun Han
ICWE
2004
Springer
14 years 3 months ago
Behaviour Recovery and Complicated Pattern Definition in Web Usage Mining
Data mining includes four steps: data preparation, pattern mining, and pattern analysis and pattern application. But in web environment, the user activities become much more comple...
Long Wang 0002, Christoph Meinel
IWMM
2004
Springer
92views Hardware» more  IWMM 2004»
14 years 3 months ago
Memory accounting without partitions
Operating systems account for memory consumption and allow for termination at the level of individual processes. As a result, if one process consumes too much memory, it can be te...
Adam Wick, Matthew Flatt