REPORT Liu_Idiap-RR-04-2026/IDIAP Select or Rewrite: Oracle-Guided Fine-Tuning for Generative ASR Post-Editing from N-Best Hypotheses Liu, Shiran Xu, Gaohui Burdisso, Sergio Bañeras-Roux, Thibault Kumar, Shashi Motlicek, Petr EXTERNAL http://publications.idiap.ch/attachments/reports/2026/Liu_Idiap-RR-04-2026.pdf PUBLIC Idiap-RR-04-2026 2026 Idiap October 2026 https://arxiv.org/abs/2610.15056 URL