Initializing Entity Representations in Relational Models

Teng Long, Ryan Lowe, Jackie Cheung, Doina Precup

Jan 01, 1970 (modified: Feb 18, 2016) ICLR 2016 workshop submission readers: everyone
  • Abstract: Recent work in learning vector-space embeddings for multi-relational data has focused on combining relational information derived from knowledge bases with distributional information derived from large text corpora. We propose a simple trick that leverages the descriptions of entities or phrases available in lexical resources, in conjunction with distributional semantics, in order to derive a better initialization for training relational models. Applying this trick to the TransE model results in faster convergence of the entity representations, and achieves small improvements on Freebase for raw mean rank. More surprisingly, it results in significant new state-of-the-art performances on the WordNet dataset, decreasing the mean rank from the previous best 212 to 51. We find that there is a trade-off between improving the mean rank and the hits@10 with this approach. This illustrates that much remains to be understood regarding performance improvements in relational models.
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