200 search results - page 31 / 40 » Datalog Queries of Set Constraint Databases |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
CIKM
2009
Springer
13 years 12 months ago
2009
Springer
Indoor spaces accommodate large populations of individuals. The continuous range monitoring of such objects can be used as a foundation for a wide variety of applications, e.g., s...
GIS
1997
ACM
13 years 11 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...
MOBIDE
2006
ACM
14 years 1 months ago
2006
ACM
Mobile and pervasive applications frequently rely on devices such as RFID antennas or sensors (light, temperature, motion) to provide them information about the physical world. Th...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...