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DAGSTUHL
2009
15 years 7 months ago
Median Topographic Maps for Biomedical Data Sets
Abstract. Median clustering extends popular neural data analysis methods such as the self-organizing map or neural gas to general data structures given by a dissimilarity matrix on...
Barbara Hammer, Alexander Hasenfuss, Fabrice Rossi
DLOG
2009
15 years 7 months ago
Which Kind of Module Should I Extract?
Abstract There are various techniques for specifying a module of an ontology that covers all knowledge about a given set of terms. These differ with respect to the size of the modu...
Ulrike Sattler, Thomas Schneider 0002, Michael Zak...
AAMAS
2008
Springer
15 years 6 months ago
Norms and plans as unification criteria for social collectives
Abstract. Based on the formal-ontological paradigm of Constructive Descriptions and Situations, we propose a definition of social collectives that includes social agents, plans, no...
Aldo Gangemi
ADCM
2010
89views more  ADCM 2010»
15 years 6 months ago
Minimization of convex functionals over frame operators
Abstract. We present results about minimization of convex functionals defined over a finite set of vectors in a finite dimensional Hilbert space, that extend several known results ...
Pedro Massey, Mariano Ruiz
APIN
2008
124views more  APIN 2008»
15 years 6 months ago
Kernel price pattern trading
Abstract A new approach to algorithmic trading system development is presented. This approach, Kernel Price Pattern Trading (KPPTP ), allows the practitioner to link the performanc...
Alejandro Cañete, Jorge Constanzo, Luis Sal...