A System for the Simplification of Numerical Expressions at Different Levels of Understandability Susana Bautista author Raquel Hervás author Pablo Gervás author Richard Power author Sandra Williams author 2013-06 text Proceedings of the Workshop on Natural Language Processing for Improving Textual Accessibility Luz Rello editor Horacio Saggion editor Ricardo Baeza-Yates editor Association for Computational Linguistics Atlanta, Georgia conference publication bautista-etal-2013-system https://aclanthology.org/W13-1505/ 2013-06 39 48