6004 search results - page 149 / 1201 » Parallelizing query optimization |
PODS
1995
ACM
14 years 1 months ago
1995
ACM
During the last decade various spatial data structures have been designed and compared against each other with respect to their performance. Still missing is a lower bound result,...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
STACS
2010
Springer
14 years 5 months ago
2010
Springer
In this paper we consider the problem of reconstructing a hidden weighted
hypergraph of constant rank using additive queries. We prove the following: Let G be
a weighted hidden h...
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
SYRCODIS
2007
13 years 11 months ago
2007
Several requirements for algebra suitable for e cient cost-based optimization are presented. It is shown that known XML algebras do not fully satisfy this requirements. A new alge...