Computational Intelligence Laboratory, Department of Informatics,
UMK
List of old/finished/aborted projects in Neural and Cognitive Modeling
Some projects are continued with other people and under different names.
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Title: Comparison of classifcation trees
and neural network methods
Objective: compare decision trees with neural classificators.
Participants: F. Kamieniecki, W. Duch
Time: 1996-1997
Results: MSc thesis by Filip Kamieniecki. Only a few comparisons done
so far.
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Title: Approximations to the biologically
motivated neuron transfer functions
Objective: Try to solve some optimization problems using modifications
of SOM/MDS
Participants: W. Duch, A. Ludwiczewski
Time: 1996-1997
Results: Mgr Ludwiczewski left this project because of the slow progress.
The problem is still open and is quite suitable for a PhD.
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Title: SOM and MDS for optimization
Objective: Try to solve some optimization problems using modifications
of SOM/MDS
Participants: W. Duch, Z. Kaczmarek
Time: 1996-1997
Results: Mgr Kaczmarek left because of health problems
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Title: Approximations to the recurrent biologically motivated
networks.
Objective: introduce stochastic dynamics to the adaptive vector quantization
method, try to obtain the same dynamics in the feature space containing
the input data clusters as in the recurrent network or other dynamical
systems; use simple Chua oscillators as an example.
Participants: W. Duch, MSc students
Time: 1995-1997
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Title: Neural networks and genetic algorithms in time series
analysis.
Objective: compare neural models and genetic optimization with standard
statistical methods used in econometrics; make general comparison between
statistical and neural models. Use fuzzy function approximation capabilities
of FSM, investigate the influence of the number of autoregressive variables
on accuracy of predictions.
Participants: W. Duch, P. Iwinski (PhD project)
Time: 1995-1998
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Title: Dynamical neural models of neurophysiological phenomena.
Objective: Use simplified models of neurons with biologically realistic
properties to model simple ganglia. Negotiations on the scope of this project
with the neurophysiology group are under way.
Participants: W. Duch, P. Skudlarski (PhD project)
Time: 1995-99
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Title: Neural networks and Hidden Markov Models (HMM) for
RNA and protein structure prediction.
Objective: compare recent results obtained with HMM programs with results
obtained using neural networks. Implement the HMM programs on a PC.
Participants: W. Duch, T. Rohn (MSc project)
Time: 1995-1996
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Title: Neurofuzzy systems.
Objective: Develop a universal neurofuzzy system capable of neural-like
adaptation and fuzzy expert system reasoning. The Feature Space Mapping
(FSM) system software is being written and integrates results from other
projects on new learning procedures and on self-organization. FSM is modular,
with each module specializing in a description of particular type of feature
space. Applications include classification problems (molecular and astronomical
spectra, psychograms), approximation problems (fuzzy function approximation)
and modeling of intuitive behavior.
Participants: R. Adamczak, W. Duch, N. Jankowski, A. Naud
Time: 1994-1997
Results: Duch W (1994) Floating Gaussian Mapping: a new model of
adaptive systems Neural Network World 4:645--654; Duch W and
Diercksen GHF (1995) Feature Space Mapping as a universal adaptive system
Comp.Phys.Comm. 87: 341-371; Duch W, Jankowski N, Naud A, Adamczak
R (1995) Feature Space Mapping: a neurofuzzy network for system identification
in: Engineering Applications of Neural Networks, Helsinki 21-23.08.1995
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Title: Local adaptive coordinate systems.
Objective: replace functional approach using neural networks by a formalism
based on differential geometry describing the data by a set of local coordinate
systems with adaptive parameters tuned to the incoming data. Formulate
learning theory and show equivalence between such systems and neural models.
Participants: W. Duch and M. Buczkowski (MSc project)
Time: 1994-97
Results: in preparation.
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Title: New learning algorithms for adaptive systems.
Objective: Development of a new learning algorithms for adaptive systems,
especially those based on localized learning. Generalization of the radial
basis function algorithm to biradial functions and non-radial localized
functions, development and testing of learning algorithms for such functions.
Applications in classification and approximation problems.
Participants: R. Adamczak, W. Duch, N. Jankowski
Time: 1994-1997
Results: Duch W, Jankowski N, Naud A, Adamczak R (1995) Feature
Space Mapping: a neurofuzzy network for system identification, in:
Engineering Applications of Neural Networks, Helsinki 21-23.08.1995; Duch
W (1993) UMK-KMK-TR 6/93 report On the optimal processing functions
for neural network elements; papers in preparation.
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Title: Self-organization via multidimensional scaling.
Objective: Replace Kohonen's SOM procedure with global minimization
that guarantees the best mapping of highly dimensional data on a low dimensional
target space. Compare results with original SOM and use it for classification
and visualization of psychometric data.
Participants: W. Duch, A. Naud (PhD project)
Time: 1994-96
Results: Duch W (1995) Quantitative measures for the self-organized
topographical mapping, Open Systems and Information Dynamics 2:295--302
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Title: Models of mind.
Objective: define series of approximations leading from neurophysiological
events related to perception and described using neural models and dynamical
systems, to mind events, described in psychological spaces. Work out the
theory of psychological spaces and apply it to construct new neurofuzzy
systems. Show that such models of mind are philosophically sound and that
consciousness may be included as a bonus.
Participants: W. Duch
Time: 1994-97
Results: book in preparation, Duch W (1993) UMK-KMK-TR 3/93 report
Floating Gaussian Mapping for Modeling of Human Conceptual Space;
Duch W (1994) UMK-KMK-TR 1/94 report A solution to the fundamental problems
of cognitive sciences; Duch W (1994) Mind space approach to neurofuzzy
systems, in: Proc. of the Japanese Neural Networks Society 1994, Tsukuba,
9-11.11.1994,Japan, pp. 173-174; Duch W (1994) Towards Artificial Minds,
in: ``First national conference on neural networks and their applications,
Kule, 12-15.IV.1994, pp. 17--28; Duch W (1995) From cognitive models
to neurofuzzy systems, in: Proc. from ``System, Modelling, Control''.
Zakopane, 1-5.05.1995; Duch W (1995) Physics of consciousness. IV
national conference on ``Modeling biological systems'', Krakow 2-3.06.1995,
pp. 101-114; Duch W (1995) Psychophysics, in: European Summer School
on Computing Techniques in Physics, Skalsky Dvur, 5-14.09.1995 (Lecture
Notes); Duch W, (1995) Transparent theory of consciousness: is there
a problem? Behavioral and Brain Sciences (submitted)
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Title: Applications of neural classifiers in psychometrics.
Objective: Compare neural-based methods, such as SOM and FSM with statistical
classificators for psychometric data, create a fuzzy expert system for
personality type diagnosis.
Participants: W. Duch, J. Gomula, A. Naud, T. Kucharski
Time: 1994-96
Results: nice software for visualization of data, SOM and MDS programs
adapted to the job, interesting results reported on various psychiatric
and psychological conferences.
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Title: Automatic Theorem Proving.
Objective: Mechanization of mathematical proofs using the system ISABEL.
Participants: K. Grabczewski, L. Paulson (Cambridge University)
Time: 1994-1995
Results: papers in preparation, mechanization of theorems from a whole
book finished.
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Title: Application of algorithmic complexity in machine learning.
Objective: Create universal learning procedure that generalizes in
completely unbiased way creating simplest possible programs to solve the
problem. Programs with the lowest Levin's complexity are selected.
Participants: N. Jankowski, J. Schmidhuber (TUM Munich)
Time: 1994 (Tempus project)
Results: N. Jankowski, Application of Levin's optimal search algorithm,
in: Proc. from ``System, Modelling, Control''. Zakopane, 1-5.05.1995; Jankowski
N and Schmidhuber J (in preparation).
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Title: Application of Kohonen's SOM to texture segmentation
Objective: Use self-organizing properties of feature maps to define
areas in image that have different texture.
Participants: A. Naud, N. Bonnet (INSERM Reims)
Time: 1994 (Tempus project)
Results: Naud A, Proc. from ``System, Modelling, Control''. Zakopane,
1-5.05.1995 Application of Kohonen's Self-Organizing Maps to texture
image segmentation
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Tile: Complex systems theory.
Objective: research in complex systems, definition of information and
graph-based complexity, applications to molecular biology and computer
linguistics.
Participants: W. Duch, E. Jankowska and A. Korcala
Time: 1993-97
Results: Duch W (1993) UMK-KMK-TR 1/93 report Towards statistical
theory of complex systems; Duch W and Jankowski N (1994) UMK-KMK-TR
5/93 report and ``First national conference on neural networks and their
applications, Kule, 12-15.IV.1994, pp. 224--230 Complex systems, Information
Theory and Neural Networks. more papers in preparation, some software
was written.
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Title: Applications of neural networks in physics and chemistry.
Objective: To understand what neural networks are good for and what
kind of results one may expect.
Participants: W. Duch and G.H.F. Diercksen (Max Planck Inst. Astrophysics,
Garching b. Munich, Germany)
Time: 1993-94
Results: Duch W (1993) Modeling neural networks - a physicist's
point of view, in: Psychological and neurophysiological backgrounds
of new computer technologies, Eds. Kulikowski J.L and Zmyslowski W (International
Center of Biocybernetics, Warsaw 1993); Duch W (1994) UMK-KMK-TR 4/93 report
Neural networks for approximation; Duch W (1994) Neural networks
for approximation, in ``First national conference on neural networks
and their applications, Kule, 12-15.IV.1994, pp. 218-223; Duch W and Diercksen
GHF (1994) Neural networks as tools to solve problems in physics and
chemistry, Comp.Phys.Comm. 82: 91-103
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Title: Neurolinguistics.
Objective: Look at linguistics from the connectionist point of view,
find appropriate associative memory model for distributed representation
of lexica, use statistical theory (especially HMM) and simplified neural
network models, correlation matrix approach, check usefulness for the intelligent
data bases (automatic associations to the queries, search in very large
textual bases and natural language interfaces).
Participants: W. Duch, E. Jankowska, A. Korcala
Time: 1992-1994
Results: some software has been written, reports: Duch W (1993) UMK-KMK-TR
2/93 report Metody komputerowe w leksykografii; Mgr Jankowska left
with her husband for France.
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Title: Harmony Theory.
Objective: Development of a general theory of cognitive systems and
of a program for harmony theory - a model of a cognitive system - working
on parallel machines. Testing and developing simple models to check scalability
of this approach; 1991/92 new harmony program was written.
Participants: L. Cierniak, W. Duch
Time: 1991-1992
Results: some software was written, some reports, in general harmony
theory and Boltzman machines are slow. Mgr Cierniak left for a commercial
company before finishing this project.
Wlodzislaw Duch, May 1997