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ICDT
2012
ACM
226views Database» more  ICDT 2012»
11 years 11 months ago
Factorised representations of query results: size bounds and readability
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
Dan Olteanu, Jakub Zavodny
FDL
2005
IEEE
14 years 2 months ago
Meta Modelling of Embedded Systems using Active Databases
The development process of embedded systems is characterized by the cooperation of various domains: components of hardware and software have to be considered as well as components...
Dieter Monjau, Mathias Sporer
CONCURRENCY
2006
112views more  CONCURRENCY 2006»
13 years 8 months ago
Implementing BPEL4WS: the architecture of a BPEL4WS implementation
e a set of very distinctive abstractions that result in significant modifications of the basic workflow model as outlined in pre-existing workflow model, see [2] for example. In pa...
Francisco Curbera, Rania Khalaf, William Nagy, San...
SCP
2000
119views more  SCP 2000»
13 years 8 months ago
Automated compositional Markov chain generation for a plain-old telephone system
Obtaining performance models, like Markov chains and queueing networks, for systems of significant complexity and magnitude is a difficult task that is usually tackled using human...
Holger Hermanns, Joost-Pieter Katoen
COORDINATION
2004
Springer
14 years 2 months ago
An Operational Semantics for StAC, a Language for Modelling Long-Running Business Transactions
This paper presents the StAC language and its operational semantics. StAC (Structured Activity Compensation) is a business process modelling language and a distinctive feature of t...
Michael J. Butler, Carla Ferreira