1430 search results - page 158 / 286 » Query operations for moving objects database systems |
171
click to vote
ECWEB
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. In this paper, we discuss the XEDY system for storing DTDconscious XML data in a standard relational databases management system. For this, we propose a database schema f...
193
click to vote
CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
183
click to vote
SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
152
click to vote
VLDB
2005
ACM
15 years 12 months ago
2005
ACM
We present HePToX, a full-fledged peer-topeer database system that efficiently handles XML data heterogeneity. In a highly dynamic P2P network, it is unrealistic for a peer enter...
271
click to vote
ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
We present a query architecture in which join operators are decomposed into their constituent data structures (State Modules, or SteMs), and dataflow among these SteMs is managed ...