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INFORMATICALT
2002
13 years 9 months ago
2002
In the paper two methods for data structure analysis and visualisation are presented: the simultaneous nonlinear mapping (Sammon, 1969) and the sequential one (Montvilas, 1995). Th...
INFORMATICALT
2002
13 years 9 months ago
2002
Abstract. Five methods for count data clusterization based on Poisson mixture models are described. Two of them are parametric, the others are semi-parametric. The methods emlploy ...
INFORMATICALT
2002
13 years 9 months ago
2002
Abstract. We present an analysis of the separation of concerns in multi-language design and multilanguage specifications. The basis for our analysis is the paradigm of the multi-di...
INFORMATICALT
2002
13 years 9 months ago
2002
In the paper, we analyze the software that realizes the self-organizing maps: SOM-PAK, SOM-TOOLBOX, Viscovery SOMine, Nenet, and two academic systems. Most of the software may be f...
INFORMATICALT
2002
13 years 9 months ago
2002
This paper is concerned with design, implementation and verification of persistent purely functional data structures which are motivated by the representation of natural numbers us...