3098 search results - page 100 / 620 » Skyline-join in distributed databases |
MDM
2005
Springer
14 years 3 months ago
2005
Springer
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
ICEIS
2003
IEEE
14 years 3 months ago
2003
IEEE
: Horizontal fragments of a class in an object-oriented database system contain subsets of the class extent or instance objects. These fragments are created with a set of system in...
DBISP2P
2003
Springer
14 years 3 months ago
2003
Springer
In this paper we give a robust logical and computational characterisation of peer-to-peer (p2p) database systems. We first define a precise model-theoretic semantics of a p2p sys...
EDBT
1998
ACM
14 years 2 months ago
1998
ACM
Abstract. Fusion queries search for information integrated from distributed, autonomous sources over the Internet. We investigate techniques for e cient processing of fusion querie...
DEXA
2008
Springer
14 years 2 days ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...