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» Classes and clusters in data analysis
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ICDM
2002
IEEE
162views Data Mining» more  ICDM 2002»
15 years 11 months ago
Phrase-based Document Similarity Based on an Index Graph Model
Document clustering techniques mostly rely on single term analysis of the document data set, such as the Vector Space Model. To better capture the structure of documents, the unde...
Khaled M. Hammouda, Mohamed S. Kamel
VTC
2007
IEEE
123views Communications» more  VTC 2007»
16 years 24 days ago
On the Effects of Aggregation on Reliability in Sensor Networks
— Data collected in a sensor network is transported hop-by-hop to a sink for further analysis. The quality of the analysis depends on the amount of data reaching the sink. Hence,...
Jonathan P. Benson, Utz Roedig, André M. Ba...
GEOINFO
2004
15 years 8 months ago
Uncertainty in Digital Elevation Data Used For Geophysical Flow Simulation
: Elevation information plays a crucial role in simulations of geophysical flows providing the slope and curvature information required to solve a series of differential equations....
Laércio Massaru Namikawa, Chris S. Renschle...
GIS
1998
ACM
15 years 6 months ago
Mean-Variance Analysis of the Performance of Spatial Ordering Methods
Geographical Information Systems (GIS) involve the manipulation of large spatial data sets, and the performance of these systems is often determined by how these data sets are orga...
Akhil Kumar, Waleed A. Muhanna, Raymond A. Patters...
PAMI
2010
192views more  PAMI 2010»
15 years 5 months ago
Multiway Spectral Clustering with Out-of-Sample Extensions through Weighted Kernel PCA
—A new formulation for multiway spectral clustering is proposed. This method corresponds to a weighted kernel principal component analysis (PCA) approach based on primal-dual lea...
Carlos Alzate, Johan A. K. Suykens