6650 search results - page 212 / 1330 » Mutating database queries |
351
click to vote
Tutorial
The wide spread use of cellular phones, handheld devices, and GPS-like technology enables location-aware environments where virtually all objects are aware of their locations. Loca...
209
click to vote
ICDT
2009
ACM
16 years 4 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
141
click to vote
SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
131
click to vote
SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
In this paper we propose an approach that enables mobile clients to determine the validity of previous queries based on their current locations. In order to make this possible, th...
131
click to vote
PODS
2002
ACM
16 years 4 months ago
2002
ACM
Decision support system users typically submit batches of range-sum queries simultaneously rather than issuing individual, unrelated queries. We propose a wavelet based technique ...