Sciweavers

1012 search results - page 76 / 203
» Process Algebra with Backtracking
Sort
View
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
VLDB
1994
ACM
128views Database» more  VLDB 1994»
13 years 12 months ago
An Algebraic Approach to Rule Analysis in Expert Database Systems
Expert database systems extend the functionality of conventional database systems by providing a facility for creating and automatically executing Condition-Action rules. While Con...
Elena Baralis, Jennifer Widom
ECAI
2006
Springer
13 years 11 months ago
Decision with Uncertainties, Feasibilities, and Utilities: Towards a Unified Algebraic Framework
Several formalisms exist to express and solve decision problems. Each is designed to capture different kinds of knowledge: utilities expressing preferences, uncertainties on the en...
Cédric Pralet, Gérard Verfaillie, Th...
ETRICS
2006
13 years 11 months ago
An Algebra for Enterprise Privacy Policies Closed Under Composition and Conjunction
To cope with the complex requirements imposed on the processing of privacy-sensitive data within enterprises, the use of automatic or semi-automatic tools is gradually becoming in...
Dominik Raub, Rainer Steinwandt
FASE
2008
Springer
13 years 9 months ago
An Algebraic Semantics for MOF
Abstract. Model-driven development is a field within software engineering in which software artifacts are represented as models in order to improve productivity, quality, and cost ...
Artur Boronat, José Meseguer