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》 资源 》论文》Every child should have parents: a taxonomy refinement algorithm based on hyperbolic term embeddings

Every child should have parents: a taxonomy refinement algorithm based on hyperbolic term embeddings

2019-09-22 | |  56 |   41 |   0 0 0
Abstract We introduce the use of Poincare embeddings ´ to improve existing state-of-the-art approaches to domain-specific taxonomy induction from text as a signal for both relocating wrong hyponym terms within a (pre-induced) taxonomy as well as for attaching disconnected terms in a taxonomy. This method substantially improves previous state-of-the-art results on the SemEval-2016 Task 13 on taxonomy extraction. We demonstrate the superiority of Poincare embeddings over distributional se- ´ mantic representations, supporting the hypothesis that they can better capture hierarchical lexical-semantic relationships than embeddings in the Euclidean space.

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