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» A Rule Repository for Active Database Systems
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VLDB
1994
ACM
162views Database» more  VLDB 1994»
15 years 1 months ago
NAOS - Efficient and Modular Reactive Capabilities in an Object-Oriented Database System
This paper describes the design and implementation of NAOS, an active rule component in the object-oriented database system 02. The contribution of this work is related to two mai...
Christine Collet, Thierry Coupaye, T. Svensen
VLDB
1994
ACM
128views Database» more  VLDB 1994»
15 years 1 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
DEBU
1999
102views more  DEBU 1999»
14 years 9 months ago
Repository Support for Metadata-based Legacy Migration
Migrating legacy systems involves replacing (either wholly or partially) existing systems and databases, and complex transformations between old and new data, processes and system...
Sandra Heiler, Wang-Chien Lee, Gail Mitchell
ICDE
1998
IEEE
121views Database» more  ICDE 1998»
15 years 10 months ago
Fuzzy Triggers: Incorporating Imprecise Reasoning into Active Databases
Traditional Event-Condition-Action triggers (active database rules) include a Boolean predicate as a trigger condition. We propose fuzzy triggers whereby fuzzy inference is utiliz...
Antoni Wolski, Tarik Bouaziz
SC
2005
ACM
15 years 3 months ago
Optimized Data Loading for a Multi-Terabyte Sky Survey Repository
Advanced instruments in a variety of scientific domains are collecting massive amounts of data that must be postprocessed and organized to support research activities. Astronomers...
Y. Dora Cai, Ruth A. Aydt, Robert Brunner