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    <abstract>Machine translation (MT) is increasingly utilized in multilingual crisis communication, yet conventional evaluation does not directly assess whether translated emergency messages preserve their actionability. We introduce SIREN (Situation-aware Index for Response and Emergency ActioNability), a human evaluation framework assessing whether translation choices compromise protective action, directive force, and urgency of the source text. We evaluate SIREN in two complementary settings. At the error level, we apply it to HOPE-annotated Italian–English translations produced by ChatGPT-4o and Google Translate: 31.63% and 48.73% of errors, respectively, compromise actionability, predominantly by affecting the protective action. At the message level, we evaluate English–French translations produced by TranslateGemma-4B and Google Translate, with actionability preserved in 85.34% and 92.67% of translations, respectively. TranslateGemma-4B failures predominantly weaken directive force, whereas Google Translate failures more often compromise protective actions and receive Major impact ratings. These findings show that translation systems can differ not only in how often actionability is lost, but also in the nature and functional impact of these failures. Alongside SIREN, we contribute an English–French crisis-translation resource with human actionability annotations and post-edited reference translations, supporting further research on function-oriented evaluation for crisis communication. Our experimental data is available at: https://github.com/mcstaiano/SIREN.</abstract>
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%0 Conference Proceedings
%T SIREN: Situation-aware Index for Response and Emergency ActioNability in Crisis Translation
%A Staiano, Maria Carmen
%A Han, Lifeng
%A Monti, Johanna
%A Chiusaroli, Francesca
%Y Ticona, Belu
%Y Xia, Fei
%Y Lewis, William D.
%Y Anastasopoulos, Antonios
%S Proceedings of the First Workshop on Language Technologies for Crisis Preparedness and Response
%D 2026
%8 November
%I Association for Computational Linguistics
%C Hengqin, China
%@ 979-8-89176-450-7
%F staiano-etal-2026-siren
%X Machine translation (MT) is increasingly utilized in multilingual crisis communication, yet conventional evaluation does not directly assess whether translated emergency messages preserve their actionability. We introduce SIREN (Situation-aware Index for Response and Emergency ActioNability), a human evaluation framework assessing whether translation choices compromise protective action, directive force, and urgency of the source text. We evaluate SIREN in two complementary settings. At the error level, we apply it to HOPE-annotated Italian–English translations produced by ChatGPT-4o and Google Translate: 31.63% and 48.73% of errors, respectively, compromise actionability, predominantly by affecting the protective action. At the message level, we evaluate English–French translations produced by TranslateGemma-4B and Google Translate, with actionability preserved in 85.34% and 92.67% of translations, respectively. TranslateGemma-4B failures predominantly weaken directive force, whereas Google Translate failures more often compromise protective actions and receive Major impact ratings. These findings show that translation systems can differ not only in how often actionability is lost, but also in the nature and functional impact of these failures. Alongside SIREN, we contribute an English–French crisis-translation resource with human actionability annotations and post-edited reference translations, supporting further research on function-oriented evaluation for crisis communication. Our experimental data is available at: https://github.com/mcstaiano/SIREN.
%U https://aclanthology.org/2026.lt4cpr-1.4/
%P 32-45

Markdown (Informal)

[SIREN: Situation-aware Index for Response and Emergency ActioNability in Crisis Translation](https://aclanthology.org/2026.lt4cpr-1.4/) (Staiano et al., LT4CPR 2026)

• SIREN: Situation-aware Index for Response and Emergency ActioNability in Crisis Translation (Staiano et al., LT4CPR 2026)

ACL

• Maria Carmen Staiano, Lifeng Han, Johanna Monti, and Francesca Chiusaroli. 2026. SIREN: Situation-aware Index for Response and Emergency ActioNability in Crisis Translation. In Proceedings of the First Workshop on Language Technologies for Crisis Preparedness and Response, pages 32–45, Hengqin, China. Association for Computational Linguistics.