Conceptual Spaces: The Geometry of Thought
Conceptual Spaces: The Geometry of Thought
A self-organizing neural model of motor equivalent reaching and tool use by a multijoint arm
Journal of Cognitive Neuroscience
Improved heterogeneous distance functions
Journal of Artificial Intelligence Research
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The paper discusses a novel model for concept learning and representation. Two levels of representation are used: exemplars and (generalized concepts) prototypes. The internal structure of the model is based on a semantic network using spreading activation. Categorisation and addition operations are supported in parallel. Forgetting of learned concepts is used in order to track dynamic and novel environments. The model is inspired by the corresponding psychological theories of exemplars and prototypes. Simulation results support the formulation of the model.