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DOLAP
2004
ACM
15 years 3 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»
15 years 2 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
15 years 1 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
15 years 1 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
14 years 11 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