3 papers
cs.DS2019
Efficient processing of raster and vector data
Fernando Silva-Coira, José R. Paramá, Susana Ladra +2
In this work, we propose a framework to store and manage spatial data, which includes new efficient algorithms to perform operations accepting as input a raster dataset and a vecto…
cs.DS2019
A Compact Representation of Raster Time Series
Nataly Cruces, Diego Seco, Gilberto Gutiérrez
The raster model is widely used in Geographic Information Systems to represent data that vary continuously in space, such as temperatures, precipitations, elevation, among other sp…
cs.DS2016
Linear Separability in Spatial Databases
Gilberto Gutiérrez, Pablo Pérez-Lantero, Claudio Torres
Given two point sets and in the plane, with cardinalities and , respectively, and each set stored in a separate R-tree, we present an algorithm to decide whether …