Granular Modelling - principles and the design environment
It is well accepted that modelling of complex systems involves transition
from detailed numerical to more abstract, aggregated information processing.
Granular computing is geared toward representing and processing aggregated
chunks of information - information granules. These granules are collections
of entities that are arranged together due to their similarity, functional
adjacency, indistinguishability or alike. No matter how the information
granulation proceeds and what fundamental technology becomes involved therein
it is driven by an overreaching need to split the problem into more manageable
subtasks and to provide a better insight into its nature. The rapid development
of granular computing in the late 90's arises from the fact that unlike numeric
computing, which is data-oriented, granular computing is knowledge-oriented,
and as such, it underlies knowledge-inclined system modeling. I envisage that
with the increased visibility of granular computing, granular models are about
to come to existence in a broad spectrum of application domains. Consequently,
development of a well-rounded design environment represents a challenging yet
highly rewarding long-term target. There are many fundamental questions that
will be asked: Are granular models preferred over some other approaches?
How should a hierarchy of information granules be organized? How to validate
the models against experimental and perception-driven evidence? What is the
best means of communication between granular models? The motivation of this
research is to make such investigation more structured and comprehensive.
The detailed objectives that can be set in this research program are:
- Formulation and analysis of functional architectures of granular models.
- Design of hierarchies of granular models.
- Defining and quantifying interoperability and collaboration between
various layers of information and granules derived at different levels
- Investigation of logic-driven processing of information granules.
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