170 search results - page 31 / 34 » Database Primitives for Spatial Data Mining |
BMCBI
2008
13 years 11 months ago
2008
Background: Spatially mapped large scale gene expression databases enable quantitative comparison of data measurements across genes, anatomy, and phenotype. In most ongoing effort...
SAC
2008
ACM
13 years 10 months ago
2008
ACM
Because of the large amount of trajectory data produced by mobile devices, there is an increasing need for mechanisms to extract knowledge from this data. Most existing works have...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
Anomalous windows are the contiguous groupings of data points. In this paper, we propose an approach for discovering anomalous windows using Scan Statistics for Linear Intersectin...
PKDD
2001
Springer
14 years 3 months ago
2001
Springer
This paper introduces a new type of Self-Organizing Map (SOM) for Text Categorization and Semantic Browsing. We propose a “hyperbolic SOM” (HSOM) based on a regular tesselation...
GIS
2010
ACM
13 years 9 months ago
2010
ACM
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...