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» A Rule Repository for Active Database Systems
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VLDB
1994
ACM
162views Database» more  VLDB 1994»
14 years 19 days 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»
14 years 19 days 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»
13 years 8 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»
14 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
14 years 2 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