XAYAConceptsExplained

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XAYAconcepts

Write up on October 24, 2004

Ascendency -- Original biological motivation -- from study of ecosystems as "networks of interaction". Bob Ulanowicz's information theoretic framework for quantifying ecosystem dynamics. Realization same ideas could be transferred over from biology networks to "computer networks".

GAL or "Graphs, Abstraction, Logic" -- Boolean, Nested Boolean, Predicate Logic as graphs. Basic idea is that we can describe increasingly complex models of systems in terms of their position in a 3-D space where 1 dimension describes complexity of graph navigation supported (e.g. from trees, to forests, to cyclic graphs) 1 dimension measures degree of abstraction, 1 dimension measures the logic supported (e.g. from boolean, nested boolean, predicate, fuzzy)

Query Languages and Logic Programming

So Called Rules Engines -- In particular discuss in light of relational model. Codd's "What, not How".

Extended Discussion of Analysis Patterns, and idea of Analysis Meta-Patterns.

-- MishtuBanerjee - 20 Oct 2004