An Unsupervised Alignment Algorithm for Text Simplification Corpus Construction Stefan Bott author Horacio Saggion author 2011-06 text Proceedings of the Workshop on Monolingual Text-To-Text Generation Katja Filippova editor Stephen Wan editor Association for Computational Linguistics Portland, Oregon conference publication bott-saggion-2011-unsupervised https://aclanthology.org/W11-1603/ 2011-06 20 26