Sciweavers

1422 search results - page 54 / 285
» Hierarchical Spatial Data Structures
Sort
View
DATAMINE
1999
113views more  DATAMINE 1999»
13 years 7 months ago
A Fast Parallel Clustering Algorithm for Large Spatial Databases
The clustering algorithm DBSCAN relies on a density-based notion of clusters and is designed to discover clusters of arbitrary shape as well as to distinguish noise. In this paper,...
Xiaowei Xu, Jochen Jäger, Hans-Peter Kriegel
CONTEXT
2007
Springer
14 years 1 months ago
User Profiling with Hierarchical Context: An e-Retailer Case Study
In e-commerce applications, no systematic research has been provided to evaluate if the use of a detailed and rich contextual representation improves the user modeling predictive p...
Cosimo Palmisano, Alexander Tuzhilin, Michele Gorg...
BMVC
2010
13 years 5 months ago
Graph-based Analysis of Textured Images for Hierarchical Segmentation
The Texture Fragmentation and Reconstruction (TFR) algorithm has been recently introduced [9] to address the problem of image segmentation by textural properties, based on a suita...
Raffaele Gaetano, Giuseppe Scarpa, Tamás Sz...
CSDA
2010
100views more  CSDA 2010»
13 years 6 months ago
Least squares estimation of nonlinear spatial trends
The goal of this work is to study the asymptotic and finite sample properties of an estimator of a nonlinear regression function when errors are spatially correlated, and when the...
Rosa M. Crujeiras, Ingrid Van Keilegom
ICDE
2008
IEEE
157views Database» more  ICDE 2008»
14 years 9 months ago
Spatial Outsourcing for Location-based Services
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
Yin Yang, Stavros Papadopoulos, Dimitris Papadias,...