Sciweavers

833 search results - page 71 / 167
» Wallet Databases with Observers
Sort
View
SIGMOD
1999
ACM
135views Database» more  SIGMOD 1999»
14 years 2 months ago
Improving OLTP Data Quality Using Data Warehouse Mechanisms
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
Matthias Jarke, Christoph Quix, Guido Blees, Dirk ...
SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
14 years 2 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel
VLDB
1994
ACM
152views Database» more  VLDB 1994»
14 years 2 months ago
The GMAP: A Versatile Tool for Physical Data Independence
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
Odysseas G. Tsatalos, Marvin H. Solomon, Yannis E....
CLIMA
2010
13 years 11 months ago
An Agent Language with Destructive Assignment and Model-Theoretic Semantics
In this paper we present an agent language that combines agent functionality with an action theory and model-theoretic semantics. The language is based on abductive logic programmi...
Robert A. Kowalski, Fariba Sadri
TC
1997
13 years 11 months ago
An Extensible Framework for Repairing Constraint Violations
In this paper we describe a new approach to repairing violations of integrity constraints in databases with null values. By adopting basic concepts from model-based diagnosis, we ...
Michael Gertz, Udo W. Lipeck