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COSIT
1997
Springer
143views GIS» more  COSIT 1997»
13 years 9 months ago
Using Hierarchical Spatial Data Structures for Hierarchical Spatial Reasoning
This paper gives a definition of Hierarchical Spatial Reasoning, which computes increasingly better results in a hierarchical fashion and stops the computation when a result is ac...
Sabine Timpf, Andrew U. Frank
PVLDB
2008
90views more  PVLDB 2008»
13 years 4 months ago
Sorting hierarchical data in external memory for archiving
Sorting hierarchical data in external memory is necessary for a wide variety of applications including archiving scientific data and dealing with large XML datasets. The topic of ...
Ioannis Koltsidas, Heiko Müller, Stratis Vigl...
ICDCS
2012
IEEE
11 years 7 months ago
Tiresias: Online Anomaly Detection for Hierarchical Operational Network Data
Operational network data, management data such as customer care call logs and equipment system logs, is a very important source of information for network operators to detect prob...
Chi-Yao Hong, Matthew Caesar, Nick G. Duffield, Ji...
ICDM
2007
IEEE
166views Data Mining» more  ICDM 2007»
13 years 11 months ago
A Divisive Hierarchical Structural Clustering Algorithm for Networks
Many systems in sciences, engineering and nature can be modeled as networks. Examples are internet, metabolic networks and social networks. Network clustering algorithms aimed to ...
Nurcan Yuruk, Mutlu Mete, Xiaowei Xu, Thomas A. J....
MICCAI
2005
Springer
14 years 6 months ago
Simultaneous Registration and Segmentation of Anatomical Structures from Brain MRI
In this paper, we present a novel variational formulation of the registration assisted image segmentation problem which leads to solving a coupled set of nonlinear PDEs that are so...
Fei Wang, Baba C. Vemuri