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The Emergence of Organizing Structure in Conceptual Representation by Lake, Brenden M.; Lawrence, Neil D.; Tenenbaum, Joshua B. is a scholarly article available to read on EtoBox.

What is The Emergence of Organizing Structure in Conceptual Representation about?

Both scientists and children make important structural discoveries, yet their computational underpinnings are not well understood. Structure discovery has previously been formalized as probabilistic inference about the right structural form --- where form could be a tree, ring, chain, grid, etc. [Kemp & Tenenbaum (2008). The discovery of structural form. PNAS, 105(3), 10687-10692]. While this approach can learn intuitive organizations, including a tree for animals and a ring for the color circle, it assumes a strong inductive bias that considers only these particular forms, and each form is explicitly provided as initial knowledge. Here we introduce a new computational model of how organizing structure can be discovered, utilizing a broad hypothesis space with a preference for sparse connectivity. Given that the inductive bias is more general, the model's initial knowledge shows little qualitative resemblance to some of the discoveries it supports. As a consequence, the model can also learn complex structures for domains that lack intuitive description, as well as predict human property induction judgments without explicit structural forms. By allowing form to emerge from sparsity,

Author

Lake, Brenden M.; Lawrence, Neil D.; Tenenbaum, Joshua B.

Published

2016

Language

EN