Evaluating Models of Latent Document Semantics in the Presence of OCR Errors Daniel Walker author William B Lund author Eric K Ringger author 2010-10 text Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing Hang Li editor Lluís Màrquez editor Association for Computational Linguistics Cambridge, MA conference publication walker-etal-2010-evaluating https://aclanthology.org/D10-1024/ 2010-10 240 250