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Automatic Qualitative Analysis of Ordinary Differential Equations Using Piecewise Linear Approximations
(1988-03-01)
This paper explores automating the qualitative analysis of physical systems. It describes a program, called PLR, that takes parameterized ordinary differential equations as input and produces a qualitative description of ...
Hypothesizing Device Mechanisms: Opening Up the Black Box
(1988-06-01)
I describe an approach to forming hypotheses about hidden mechanism configurations within devices given external observations and a vocabulary of primitive mechanisms. An implemented causal modelling system called ...