228 search results - page 8 / 46 » Efficiently Mining Regional Outliers in Spatial Data |
TSDM
2000
13 years 11 months ago
2000
In this paper I define spatio-temporal regions as pairs consisting of a spatial and a temporal component and I define topological relations between them. Using the notion of rough ...
DATAMINE
2000
13 years 7 months ago
2000
Abstract: Spatial data mining algorithms heavily depend on the efficient processing of neighborhood relations since the neighbors of many objects have to be investigated in a singl...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
An effective approach to detect anomalous points in a data set is distance-based outlier detection. This paper describes a simple sampling algorithm to efficiently detect distance...
ICDM
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper describes the need for mining complex relationships in spatial data. Complex relationships are defined as those involving two or more of: multi-feature co-location, sel...
PAKDD
2009
ACM
14 years 2 months ago
2009
ACM
It is a challenging and important task to retrieve images from a large and highly varied image data set based on their visual contents. Problems like how to fill the semantic gap b...