42 search results - page 5 / 9 » Fast Spatio-Temporal Data Mining of Large Geophysical Datase... |
PAKDD
2010
ACM
15 years 4 months ago
2010
ACM
Abstract. We report a surprising, persistent pattern in large sparse social graphs, which we term EigenSpokes. We focus on large Mobile Call graphs, spanning about 186K nodes and m...
146
click to vote
SSD
2001
Springer
15 years 4 months ago
2001
Springer
The problem of mining spatiotemporal patterns is finding sequences of events that occur frequently in spatiotemporal datasets. Spatiotemporal datasets store the evolution of object...
130
click to vote
SDM
2011
SIAM
14 years 3 months ago
2011
SIAM
Sparse principal component analysis (PCA) imposes extra constraints or penalty terms to the standard PCA to achieve sparsity. In this paper, we first introduce an efficient algor...
111
click to vote
PAMI
2011
14 years 7 months ago
2011
—The field of Action Recognition has seen a large increase in activity in recent years. Much of the progress has been through incorporating ideas from single frame object recogn...
118
click to vote
BMCBI
2005
15 years 5 days ago
2005
Background: Routine application of gene expression microarray technology is rapidly producing large amounts of data that necessitate new approaches of analysis. The analysis of a ...