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SCAM
2002
IEEE
14 years 14 days ago
Semantics Guided Filtering of Combinatorial Graph Transformations in Declarative Equation-Based Languages
This paper concerns the use of static analysis for debugging purposes of declarative object-oriented equation-based modeling languages. We propose a framework where over- and unde...
Peter Bunus, Peter Fritzson
POLICY
2001
Springer
13 years 12 months ago
The Ponder Policy Specification Language
The Ponder language provides a common means of specifying security policies that map onto various access control implementation mechanisms for firewalls, operating systems, databas...
Nicodemos Damianou, Naranker Dulay, Emil Lupu, Mor...
FGR
2000
IEEE
181views Biometrics» more  FGR 2000»
13 years 12 months ago
Face Detection Using Mixtures of Linear Subspaces
We present two methods using mixtures of linear subspaces for face detection in gray level images. One method uses a mixture of factor analyzers to concurrently perform clustering...
Ming-Hsuan Yang, Narendra Ahuja, David J. Kriegman
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
13 years 12 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
ICDE
1993
IEEE
120views Database» more  ICDE 1993»
13 years 11 months ago
Adaptable Pointer Swizzling Strategies in Object Bases
In this article, different techniques for 'pointer swizzling" are classified and evaluated for optimizing the access to main-memory resident persistent objects. To speed ...
Alfons Kemper, Donald Kossmann