A Solution to the Binding Problem for Compositional Connectionism

John E. Hummel, Keith J. Holyoak, Collin Green, Leonidas A. A. Doumas, Derek Devnich, Aniket Kittur, and Donald J. Kalar

Achieving compositional connectionism means finding a way to represent role-filler bindings in a connectionist system without sacrificing role-filler independence. Role-filler binding schemes based on varieties of conjunctive coding (the most common approach in the connectionist literature) fail to preserve role-filler independence. At the same time, dynamic binding of roles to fillers (e.g., by synchrony of firing) represents bindings without sacrificing independence, but is inadequate for storing bindings in long-term memory. An appropriate combination of dynamic binding (for representation in working memory) and conjunctive coding (for long-term storage and token formation) provides a platform for compositional connectionism, and has proven successful in simulating numerous aspects of human perception and cognition.

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