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ACIVS
2008
Springer
14 years 4 months ago
Knee Point Detection in BIC for Detecting the Number of Clusters
Bayesian Information Criterion (BIC) is a promising method for detecting the number of clusters. It is often used in model-based clustering in which a decisive first local maximum ...
Qinpei Zhao, Ville Hautamäki, Pasi Fränt...
SSC
2007
Springer
147views Cryptology» more  SSC 2007»
14 years 4 months ago
Remarks on a Sequence of Minimal Niven Numbers
In this short note we introduce two new sequences defined using the sum of digits in the representation of an integer in a certain base. A connection to Niven numbers is proposed ...
H. Fredricksen, E. J. Ionascu, Florian Luca, Pante...
INFOCOM
2005
IEEE
14 years 3 months ago
Optical switching networks with minimum number of limited range wavelength converters
— We study the problem of determining the minimum number of limited range wavelength converters needed to construct strictly, wide-sense, and rearrangeably nonblocking optical cr...
Hung Q. Ngo, Dazhen Pan, Yuanyuan Yang
ANTS
2004
Springer
109views Algorithms» more  ANTS 2004»
14 years 3 months ago
On the Complexity of Computing Units in a Number Field
Given an algebraic number field K, such that [K : Q] is constant, we show that the problem of computing the units group O∗ K is in the complexity class SPP. As a consequence, w...
Vikraman Arvind, Piyush P. Kurur
AIMS
2010
Springer
14 years 3 months ago
Automatic Link Numbering and Source Routed Multicast
We present a new paradigm for multicasting. Our paradigm combines two ideas: a simple distributed algorithm for automatically numbering network links with a small amount of numbers...
Visa Holopainen, Raimo Kantola, Taneli Taira, Olli...