Translating Syntactic Structures: An English-Icelandic Test Suite for Syntactic Divergence

Einar Sigurdsson, Steinthór Steingrímsson, Bjarki Ármannsson, Atli Jasonarson, Helga Svala Sigurdardottir, Jón Markússon


Abstract
We present a test suite intended to study how well different machine translation systems do when translating syntactic constructions found in English that do not have a direct equivalent in Icelandic. We manually evaluate the translations and compare it to an automatic evaluation. Whereas the results demonstrate that the best-performing models achieve high accuracy in various categories, they still struggle with others.
Anthology ID:
2026.wmt-main.91
Volume:
Proceedings of the Eleventh Conference on Machine Translation
Month:
October
Year:
2026
Address:
Budapest, Hungary
Editors:
Barry Haddow, Tom Kocmi, Philipp Koehn, Christof Monz
Venues:
WMT | WS
SIG:
SIGMT
Publisher:
Association for Computational Linguistics
Note:
Pages:
1577–1593
Language:
URL:
https://aclanthology.org/2026.wmt-main.91/
DOI:
Bibkey:
Cite (ACL):
Einar Sigurdsson, Steinthór Steingrímsson, Bjarki Ármannsson, Atli Jasonarson, Helga Svala Sigurdardottir, and Jón Markússon. 2026. Translating Syntactic Structures: An English-Icelandic Test Suite for Syntactic Divergence. In Proceedings of the Eleventh Conference on Machine Translation, pages 1577–1593, Budapest, Hungary. Association for Computational Linguistics.
Cite (Informal):
Translating Syntactic Structures: An English-Icelandic Test Suite for Syntactic Divergence (Sigurdsson et al., WMT 2026)
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PDF:
https://aclanthology.org/2026.wmt-main.91.pdf