Papers with Chimera
Learning Shared Semantic Space for Speech-to-Text Translation (2021.findings-acl)
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| Challenge: | End-to-end speech translation (ST) has been treated as an independent task . however, the modality gap has rendered MT data and its end-to end models incompatible with their ST counterparts. |
| Approach: | They propose to bridge the representation gap between text and audio inputs by projecting audio and text features to a common semantic representation. |
| Outcome: | The proposed model improves performance on two ST benchmarks and achieves 27.1 BLEU on MuST-C EN-DE. |
Chimera: Compositional Jailbreak Attacks on LLMs via Judgment-Driven Search over Heterogeneous Strategies (2026.findings-acl)
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| Challenge: | Existing methods for evaluating large language models face two limitations: they explore homogeneous transformations in isolation and rely on brittle judgment metrics that misclassify non-refusal hallucinations as successful attacks. |
| Approach: | They propose a framework that generates compositional jailbreak attacks via judgment-driven search over heterogeneous strategies. |
| Outcome: | The proposed framework generates compositional jailbreak attacks over heterogeneous strategies . strongREJECT++ improves attack success rates and transferability compared to state-of-the-art . |