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Comparing Euclidean and Hyperbolic Embeddings on the WordNet Nouns Hypernymy Graph ...
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Abstract:
Nickel and Kiela (2017) present a new method for embedding tree nodes in the Poincare ball, and suggest that these hyperbolic embeddings are far more effective than Euclidean embeddings at embedding nodes in large, hierarchically structured graphs like the WordNet nouns hypernymy tree. This is especially true in low dimensions (Nickel and Kiela, 2017, Table 1). In this work, we seek to reproduce their experiments on embedding and reconstructing the WordNet nouns hypernymy graph. Counter to what they report, we find that Euclidean embeddings are able to represent this tree at least as well as Poincare embeddings, when allowed at least 50 dimensions. We note that this does not diminish the significance of their work given the impressive performance of hyperbolic embeddings in very low-dimensional settings. However, given the wide influence of their work, our aim here is to present an updated and more accurate comparison between the Euclidean and hyperbolic embeddings. ...
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Keyword:
Computation and Language cs.CL; FOS Computer and information sciences; I.2.7; Machine Learning cs.LG
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URL: https://dx.doi.org/10.48550/arxiv.2109.07488
https://arxiv.org/abs/2109.07488
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Cross-Register Projection for Headline Part of Speech Tagging ...
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Comparing Euclidean and Hyperbolic Embeddings on the WordNet Nouns Hypernymy Graph ...
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