6650 search results - page 613 / 1330 » Mutating database queries |
218
click to vote
VLDB
2005
ACM
16 years 17 days ago
2005
ACM
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...
191
click to vote
DEXAW
2000
IEEE
15 years 11 months ago
2000
IEEE
Current models for cardinal directions, such as north and northeast, are either point-based or region-based, but no models exist that apply equally, independent of the geometric d...
228
click to vote
PODS
1998
ACM
15 years 11 months ago
1998
ACM
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
179
click to vote
VLDB
1995
ACM
15 years 10 months ago
1995
ACM
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, l...
195
click to vote
VLDB
1995
ACM
15 years 10 months ago
1995
ACM
The World-Wide Web (WWW) is an ever growing, distributed, non-administered, global information resource. It resides on the worldwide computer network and allows access to heteroge...