Abstract
This paper describes the GF Widecoverage MT system submitted to WMT 2015 for translation from English to Finnish. Our system uses a interlingua based approach, in which the interlingua is a shared formal representation, that abstracts syntactic structures over multiple languages. Our final submission is a reranked system in which we combine this baseline MT system with a factored LM model.
Highlights
Interlingual translation is an old idea that has been suggested numerous times and refuted almost as many times
Departing from this, the Grammatical Framework (GF) wide-coverage Translator is an attempt following the current mainstream in the field of MT: we are content with browsing quality in the output of the MT systems, while achieving the low cost of interlingual MT systems
The shared abstract syntax is mapped to different “surface” languages representing an abstraction of the deep syntactic structure for each of the languages
Summary
Interlingual translation is an old idea that has been suggested numerous times and refuted almost as many times. A typical criticism is that the very idea is utopistic: that one can never build an interlingua that faithfully represents meaning in all languages of the world. We describe our system submission to the WMT shared task in the English-Finnish track. Departing from this, the GF wide-coverage Translator is an attempt following the current mainstream in the field of MT: we are content with browsing quality in the output of the MT systems, while achieving the low cost of interlingual MT systems. These systems are scalable beyond toy examples, into wide-coverage systems. We submit this system as our baseline over the English Finnish language pair for the WMT shared task.
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