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ICASSP
2010
IEEE
15 years 4 months ago
Evolutionary spectral clustering with adaptive forgetting factor
Many practical applications of clustering involve data collected over time. In these applications, evolutionary clustering can be applied to the data to track changes in clusters ...
Kevin S. Xu, Mark Kliger, Alfred O. Hero III
GI
2009
Springer
15 years 2 months ago
An Application for Simulations at Large Pickup and Delivery Service Providers
: Over time, large scale pickup and delivery providers acquire considerable amounts of data on customer orders, including order times, amount and configurations of freight, as well...
Curt Nowak, Klaus Ambrosi, Felix Hahne
KDD
2008
ACM
147views Data Mining» more  KDD 2008»
16 years 5 months ago
Mobile call graphs: beyond power-law and lognormal distributions
We analyze a massive social network, gathered from the records of a large mobile phone operator, with more than a million users and tens of millions of calls. We examine the distr...
Mukund Seshadri, Sridhar Machiraju, Ashwin Sridhar...
PADS
1998
ACM
15 years 9 months ago
Fault-Tolerant Distributed Simulation
In traditional distributed simulation schemes, entire simulation needs to be restarted if any of the participating LP crashes. This is highly undesirable for long running simulati...
Om P. Damani, Vijay K. Garg
ATMOS
2007
161views Optimization» more  ATMOS 2007»
15 years 6 months ago
Periodic Railway Timetabling with Event Flexibility
This paper addresses the problem of generating conflict-free periodic train timetables for large railway networks. We follow a two level approach, where a simplified track topolo...
Gabrio Curzio Caimi, Martin Fuchsberger, Marco Lau...