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A Benchmark for Learning to Translate a New Language from One Grammar Book

Garrett Tanzer, Mirac Suzgun, Eline Visser, Dan Jurafsky, Luke Melas-Kyriazi

2023 · arXiv

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Large language models (LLMs) can perform impressive feats with in-context learning or lightweight finetuning. It is natural to wonder how well these models adapt to genuinely new tasks, but how does one find tasks that are unseen in internet-scale training sets? We turn to a field that is explicitly motivated and bottlenecked by a scarcity of web data: low-resource languages. In this paper, we introduce MTOB (Machine Translation from One Book), a benchmark for learning to translate between English and Kalamang -- a language with less than 200 speakers and therefore virtually no presence on the web -- using several hundred pages of field linguistics reference materials. This task framing is novel in that it asks a model to learn a language from a single human-readable book of grammar explanations, rather than a large mined corpus of in-domain data, more akin to L2 learning than L1 acquisition. We demonstrate that baselines using current LLMs are promising but fall short of human performance, achieving 44.7 chrF on Kalamang to English translation and 45.8 chrF on English to Kalamang translation, compared to 51.6 and 57.0 chrF by a human who learned Kalamang from the same reference materials. We hope that MTOB will help measure LLM capabilities along a new dimension, and that the methods developed to solve it could help expand access to language technology for underserved communities by leveraging qualitatively different kinds of data than traditional machine translation.

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4 selected excerpts · 4 total mentions

glomgril
Neutral mention · rule
Check out this recent benchmark MTOB (Machine Translation from One Book) -- relevant to your comment, though the book does have parallel passages so not exactly what you have in mind: https://arxiv.org/pdf/2309.16575 In the case of non-human communication, I know there has been some fairly well-motivated theorizing about the semantics of individual whale vocalizations. You could imagine a first pass at something like this if the meaning of (say) a couple dozen vocalizations could be characterized with a reasonable degree of confidence. Super interesting domain that's ripe for some fresh perspectives imo. Feels like at this stage, all people can really do is throw stuff at…
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the wall. The interesting part will begin when someone can get something to stick! > that's basically a science-fiction babelfish or universal translator Ten years ago I would have laughed at this notion, but today it doesn't feel that crazy. I'd conjecture that over the next ten years, this general line of research will yield some non-obvious insights into the structure of non-human communication systems. Increasingly feels like the sci-fi era has begun -- what a time to be alive.
visarga
Neutral mention · rule
I don't think "humans/animals learn faster" holds. LLMs learn new things on the spot, you just explain it in the prompt and give an example or two. A recent paper tested both linguists and LLMs at learning a language with less than 200 speakers and therefore virtually no presence on the web. All from a few pages of explanations. The LLMs come close to humans. https://arxiv.org/abs/2309.16575 Another example is the ARC-AGI benchmark, where the model has to learn from a few examples to derive the rule. AI models are closing the gap to human level, they are around 55% while humans are at 80%. These tests were specifically designed to be hard for models and easy for humans. Besides these examples of fast learning, I think the other argument about humans benefiting from evolution is also essential here. Similarly, we can't beat AlphaZero at Go, as it evolved its own Go culture and plays better than us. Evolution is powerful.
sanxiyn
Neutral mention · rule
Considering MTOB(Machine Translation from One Book) result, where LLM in-context learns a new language from a grammar book, I wonder how LLMs fare given, say, GnuCOBOL Programmer's Guide PDF, which is easily available. It would be an interesting addition to the benchmark. https://arxiv.org/abs/2309.16575 https://gnucobol.sourceforge.io/guides.html

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