A Comparison of Various Types of Extended Lexicon Models for Statistical Machine Translation. - Matthias Huck; Martin Ratajczak; Patrick Lehnen; Hermann Ney (AMTA, 2010)

Neural higher-order factors in conditional random fields for phoneme classification. - Martin Ratajczak; Sebastian Tschiatschek; Franz Pernkopf (INTERSPEECH, 2015)

Structured Regularizer for Neural Higher-Order Sequence Models. - Martin Ratajczak; Sebastian Tschiatschek; Franz Pernkopf (ECML/PKDD (1), 2015)

Virtual Adversarial Training Applied to Neural Higher-Order Factors for Phone Classification. - Martin Ratajczak; Sebastian Tschiatschek; Franz Pernkopf (INTERSPEECH, 2016)

Frame and Segment Level Recurrent Neural Networks for Phone Classification. - Martin Ratajczak; Sebastian Tschiatschek; Franz Pernkopf (INTERSPEECH, 2017)

Sum-Product Networks for Sequence Labeling. - Martin Ratajczak; Sebastian Tschiatschek; Franz Pernkopf (CoRR, 2018)

Reverb: Open-Source ASR and Diarization from Rev. - Nishchal Bhandari; Danny Chen; Miguel Ángel del Río Fernández 001; Natalie Delworth; Jennifer Drexler Fox; Migüel Jetté; Quinten McNamara; Corey Miller; Ondrej Novotný; Ján Profant; Nan Qin; Martin Ratajczak; et al. (CoRR, 2024)

Style-agnostic evaluation of ASR using multiple reference transcripts. - Quinten McNamara; Miguel Ángel del Río Fernández 001; Nishchal Bhandari; Martin Ratajczak; Danny Chen; Corey Miller; Migüel Jetté (CoRR, 2024)

Accurate, fast, cheap: Choose three. Replacing Multi-Head-Attention with Bidirectional Recurrent Attention for Long-Form ASR. - Martin Ratajczak; Jean-Philippe Robichaud; Jennifer Drexler Fox (CoRR, 2025)