716 search results - page 51 / 144 » Optimizing Queries in Extended Relational Databases |
138
click to vote
SSDBM
2002
IEEE
15 years 4 months 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...
SSDBM
2009
IEEE
15 years 6 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
FQAS
2006
Springer
15 years 2 months ago
2006
Springer
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
173
click to vote
ICDE
2007
IEEE
16 years 18 days ago
2007
IEEE
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
191
click to vote
ICDE
2003
IEEE
16 years 18 days 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 ...