709 search results - page 12 / 142 » Efficient Evaluation of All-Nearest-Neighbor Queries |
SEBD
1996
14 years 10 months ago
1996
Abstract. To select an optimal query evaluation strategy for a path query in an object-oriented database system one has to exploit the available index structures on the path. In a ...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
We present the application of customized code generation to database query evaluation. The idea is to use a collection of highly efficient code templates and dynamically instantiat...
ICLP
2007
Springer
15 years 1 months ago
2007
Springer
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
WAIM
2004
Springer
15 years 2 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...