Incremental unsupervised training for university lecture recognition Michael Heck author Sebastian Stüker author Sakriani Sakti author Alex Waibel author Satoshi Nakamura author 2013-dec 5-6 text Proceedings of the 10th International Workshop on Spoken Language Translation: Papers Joy Ying Zhang editor Heidelberg, Germany conference publication heck-etal-2013-incremental https://aclanthology.org/2013.iwslt-papers.8/ 2013-dec 5-6