555 search results - page 50 / 111 » Aggregate Evaluability in Statistical Databases |
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
We present techniques for privacy-preserving computation of multidimensional aggregates on data partitioned across multiple clients. Data from different clients is perturbed (rand...
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...
DATESO
2009
13 years 5 months ago
2009
In order to realize the idea of the Semantic Web, many tools and technologies need to be developed, including a query language. One of the most important technologies that creates ...
SSDBM
2002
IEEE
14 years 21 days ago
2002
IEEE
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...