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NIPS
2001
15 years 7 months ago
Spectral Relaxation for K-means Clustering
The popular K-means clustering partitions a data set by minimizing a sum-of-squares cost function. A coordinate descend method is then used to nd local minima. In this paper we sh...
Hongyuan Zha, Xiaofeng He, Chris H. Q. Ding, Ming ...
CSDA
2010
132views more  CSDA 2010»
15 years 6 months ago
Approximate low-rank factorization with structured factors
An approximate rank revealing factorization problem with structure constraints on the normalized factors is considered. Examples of structure, motivated by an application in micro...
Ivan Markovsky, Mahesan Niranjan
149
Voted
EUSFLAT
2009
105views Fuzzy Logic» more  EUSFLAT 2009»
15 years 4 months ago
Two Results About Optimization of Fuzzy Variable Functions
Abstract-- We discuss some optimization problems for fuzzy variable functions and show two interesting results. First result is related to conditions for existence of global optima...
A. David Báez-Sánchez
IPL
2010
112views more  IPL 2010»
15 years 4 months ago
The cost of probabilistic agreement in oblivious robot networks
In this paper, we look at the time complexity of two agreement problems in networks of oblivious mobile robots, namely, at the gathering and scattering problems. Given a set of ro...
Julien Clement, Xavier Défago, Maria Gradin...
CORR
2010
Springer
189views Education» more  CORR 2010»
15 years 6 months ago
ACRR: Ad Hoc On-Demand Distance Vector Routing with Controlled Route Requests
Reactive routing protocols like Ad-hoc On-Demand Distance Vector Routing (AODV) and Dynamic Source Routing in Ad-Hoc Wireless Networks (DSR) which are used in Mobile and Ad-hoc Ne...
Jayesh Kataria, P. S. Dhekne, Sugata Sanyal