Enhanced Search with Wildcards and Morphological Inflections in the Google Books Ngram Viewer Jason Mann author David Zhang author Lu Yang author Dipanjan Das author Slav Petrov author 2014-06 text Proceedings of 52nd Annual Meeting of the Association for Computational Linguistics: System Demonstrations Kalina Bontcheva editor Jingbo Zhu editor Association for Computational Linguistics Baltimore, Maryland conference publication mann-etal-2014-enhanced 10.3115/v1/P14-5020 https://aclanthology.org/P14-5020/ 2014-06 115 120