9719 search results - page 1546 / 1944 » Answer Set Optimization |
191
click to vote
EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
142
click to vote
EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Abstract. Physical database design tools rely on a DBA-provided workload to pick an "optimal" set of indexes and materialized views. Such an approach fails to capture sce...
199
click to vote
EDBT
2008
ACM
16 years 7 months ago
2008
ACM
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...
158
click to vote
ICSE
2007
IEEE-ACM
16 years 7 months ago
2007
IEEE-ACM
Policy testing and analysis are important techniques for high assurance of correct specification of access control policies. We propose a set of testing and analysis techniques fo...
182
click to vote
ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...