3777 search results - page 545 / 756 » Estimating the Quality of Databases |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
A k-NN query finds the k nearest-neighbors of a given point from a point database. When it is sufficient to measure object distance using the Euclidian distance, the key to effici...
GIS
2007
ACM
14 years 11 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
KDD
2006
ACM
14 years 10 months ago
2006
ACM
This work introduces distance-based criteria for segmentation of object trajectories. Segmentation leads to simplification of the original objects into smaller, less complex primi...
EDBT
2004
ACM
14 years 10 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...