Low Cost Portability for Statistical Machine Translation based on N-gram Frequency and TF-IDF Matthias Eck author Stephan Vogel author Alex Waibel author 2005-oct 24-25 text Proceedings of the Second International Workshop on Spoken Language Translation Pittsburgh, Pennsylvania, USA conference publication eck-etal-2005-low https://aclanthology.org/2005.iwslt-1.7/ 2005-oct 24-25