We propose a novel method for inducing monolingual semantic hierarchies and sense clusters from numerous foreign-language-to-English bilingual dictionaries. The method exploits patterns of non-transitivity in transla- tions across multiple languages. No complex or hierar- chical structure is assumed or used in the input dictio- naries: each is initially parsed into the “lowest common denominator” form, which is to say, a list of pairs of the form (foreign word, English word). We then propose a monolingual synonymy measure derived from this ag- gregate resource, which is used to derive multilingually- motivated sense hierarchies for monolingual English words, with potential applications in word sense classifi- cation, lexicography and statistical machine translation.

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