742 search results - page 68 / 149 » Model order selection for bio-molecular data clustering |
138
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ECML
2006
Springer
15 years 9 months ago
2006
Springer
In this paper we formulate the problem of grouping the states of a discrete Markov chain of arbitrary order simultaneously with deconvolving its transition probabilities. As the na...
182
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STACS
2007
Springer
16 years 5 days ago
2007
Springer
The min-sum k-clustering problem is to partition a metric space (P, d) into k clusters C1, . . . , Ck ⊆ P such that k i=1 p,q∈Ci d(p, q) is minimized. We show the first effi...
187
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
173
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VLDB
2002
ACM
15 years 5 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
210
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ICASSP
2009
IEEE
15 years 3 months ago
2009
IEEE
In this paper, we propose a novel sparse source separation method that can be applied even if the number of sources is unknown. Recently, many sparse source separation approaches ...