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» Semantics of Data Streams and Operators
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APCCM
2006
15 years 5 months ago
Defining and implementing domains with multiple types using mesodata modelling techniques
The integration of data from different sources often leads to the adoption of schemata that entail a loss of information in respect of one or more of the data sets being combined....
Sally Rice, John F. Roddick, Denise de Vries
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
15 years 8 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
ECCV
2004
Springer
16 years 6 months ago
Adaptive Probabilistic Visual Tracking with Incremental Subspace Update
Visual tracking, in essence, deals with non-stationary data streams that change over time. While most existing algorithms are able to track objects well in controlled environments,...
David A. Ross, Jongwoo Lim, Ming-Hsuan Yang
CHES
2009
Springer
200views Cryptology» more  CHES 2009»
16 years 5 months ago
Accelerating AES with Vector Permute Instructions
We demonstrate new techniques to speed up the Rijndael (AES) block cipher using vector permute instructions. Because these techniques avoid data- and key-dependent branches and mem...
Mike Hamburg
HICSS
2009
IEEE
104views Biometrics» more  HICSS 2009»
15 years 11 months ago
Towards a Procedural Model for Sustainable Information Systems Management
The increasing economical, ecological and social significance of information systems (IS) demands reorientation for IS management. Ever-growing energy consumption, waste streams, ...
Nils-Holger Schmidt, Koray Erek, Lutz Kolbe, R&uum...