Synonymy = Translational Equivalence

Bradley Hauer, Grzegorz Kondrak

Synonymy and translational equivalence are the relations of sameness of meaning within and across languages. As the principal relations in wordnets and multi-wordnets, they are vital to computational lexical semantics, yet the field suffers from the absence of a common formal framework to define their properties and mutual relationship. This paper proposes a unifying treatment of these two relations, which is validated by experiments on existing resources. The theory establishes a solid foundation for critically re-evaluating prior work in cross-lingual semantics, and facilitating the creation, verification, and amelioration of lexical resources.

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