320 search results - page 40 / 64 » A Theory of Spatio-Temporal Database Queries |
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Cloud-based data management platforms often employ multitenant databases, where service providers achieve economies of scale by consolidating multiple tenants on shared servers. I...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Orion is a state-of-the-art uncertain database management system with built-in support for probabilistic data as first class data types. In contrast to other uncertain databases, ...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Reasoning about space has been a considerable field of study both in Artificial Intelligence and in spatial information theory. Many applications benefit from the inference of ...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
FOCS
2003
IEEE
14 years 26 days ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...