49 search results - page 3 / 10 » Two-Dimensional Range Minimum Queries |
MICS
2010
14 years 8 months ago
2010
Abstract. A Range Minimum Query asks for the position of a minimal element between two specified array-indices. We consider a natural extension of this, where our further constrai...
ISAAC
2004
Springer
15 years 2 months ago
2004
Springer
The range minimum query problem, RMQ for short, is to preprocess a sequence of real numbers A[1 . . . n] for subsequent queries of the form: “Given indices i, j, what is the ind...
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ICDE
1999
IEEE
15 years 11 months ago
1999
IEEE
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...
DAWAK
2004
Springer
15 years 1 months ago
2004
Springer
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
DEXA
2006
Springer
15 years 1 months ago
2006
Springer
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...