Learning annotated hierarchies from relational data. Roy, D., Kemp, C., Mansinghka, V. K., & Tenenbaum, J. B. In NIPS 2006: Advances in Neural Information Processing Systems 19, pages 1185–1192, 2006. Curran Associates.
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The objects in many real-world domains can be organized into hierarchies, where each internal node picks out a category of objects. Given a collection of features and relations defined over a set of objects, an annotated hierarchy includes a specification of the categories that are most useful for describing each individual feature and relation. We define a generative model for annotated hierarchies and the features and relations that they describe, and develop a Markov chain Monte Carlo scheme for learning annotated hierarchies. We show that our model discovers interpretable structure in several real-world data sets.

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