Reversible Unification Based Machine Translation

In this paper it will be shown how unification grammars can be used to build a reversible machine translation system.Unification grammars are often used to define the relation between strings and meaning representations in a declarative way. Such grammars are sometimes used in a bidirectional way, thus the same grammar is used for both parsing and generation. In this paper I will show how to use bidirectional unification grammars to define reversible relations between language dependent meaning representations. Furthermore it is shown how to obtain a completely reversible MT system using a series of (bidirectional) unification grammars.

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