785 search results - page 46 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
TMC
2008
13 years 8 months ago
2008
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with the...
TKDE
2002
13 years 8 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
The constructionof high-performance databasesystems that combine the best aspects of the relational and object-oriented approaches requires the design of client-server architectur...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
We present a flexible query allocation framework, called Satisfaction-based Query Allocation (SbQA for short), for distributed information systems where both consumers and provider...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....