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ICCS
2007
Springer
15 years 10 months ago
Efficient Implementation of an Optimal Interpolator for Large Spatial Data Sets
Abstract. Interpolating scattered data points is a problem of wide ranging interest. One of the most popular interpolation methods in geostatistics is ordinary kriging. The price f...
Nargess Memarsadeghi, David M. Mount
MM
2010
ACM
173views Multimedia» more  MM 2010»
15 years 7 months ago
iWalk: a tool for interacting with geo-located data through movement and gesture
In this work, we present iWalk, a multimedia exploration tool that provides an interactive virtual environment for physically exploring geo-tagged data. This tool is flexible enou...
Visruth Premraj, Margaret Schedel, Tamara L. Berg
ICDE
2012
IEEE
228views Database» more  ICDE 2012»
13 years 9 months ago
A General Method for Estimating Correlated Aggregates over a Data Stream
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...
Srikanta Tirthapura, David P. Woodruff
ICDE
2011
IEEE
240views Database» more  ICDE 2011»
14 years 10 months ago
Similarity measures for multidimensional data
— How similar are two data-cubes? In other words, the question under consideration is: given two sets of points in a multidimensional hierarchical space, what is the distance val...
Eftychia Baikousi, Georgios Rogkakos, Panos Vassil...
ICPR
2000
IEEE
15 years 11 months ago
Unsupervised Segmentation of Poisson Data
This paper describes a new approach to the analysis of Poisson point processes, in time (1D) or space (2D), which is based on the minimum description length (MDL) framework. Speci...
Robert D. Nowak, Mário A. T. Figueiredo