305 search results - page 13 / 61 » Including Group-By in Query Optimization |
DS
1997
13 years 9 months ago
1997
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...
MDM
2005
Springer
14 years 1 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...
COMPSAC
1996
IEEE
13 years 11 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
ISCI
2007
13 years 7 months ago
2007
Declustering techniques reduce query response time through parallel I/O by distributing data among multiple devices. Except for a few cases it is not possible to find declusterin...
DEBU
2008
13 years 7 months ago
2008
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...