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» A Process Algebra Based Verification of a Production System
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DOLAP
2004
ACM
14 years 1 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
ECBS
2009
IEEE
114views Hardware» more  ECBS 2009»
13 years 11 months ago
Model-Based Product-Oriented Certification
Future space missions such as the Mars Science Laboratory and Project Constellation suggest the engineering of some of the most complex man-rated software systems. The present pro...
Damian Dechev, Bjarne Stroustrup
IWFM
2000
167views Formal Methods» more  IWFM 2000»
13 years 9 months ago
An Algebraic Basis for Specifying and Enforcing Access Control in Security Systems
Security services in a multi-user environment are often based on access control mechanisms. Static of an access control policy can be formalised using abstract algebraic models. W...
Claus Pahl
CORR
2012
Springer
209views Education» more  CORR 2012»
12 years 3 months ago
Aggregation in Probabilistic Databases via Knowledge Compilation
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
Robert Fink, Larisa Han, Dan Olteanu
CERA
2002
134views more  CERA 2002»
13 years 7 months ago
Graph Grammar Based Product Family Modeling
: Many industries are shifting from mass production to mass customization, which demands quick response to the needs of individual customers with high quality and low costs. The de...
Xuehong Du, Jianxin Jiao, Mitchell M. Tseng