Texterra: A framework for text analysis. - D. Yu. Turdakov; Nikita A. Astrakhantsev; Yaroslav R. Nedumov; Andrey A. Sysoev; Ivan A. Andrianov; Vladimir D. Mayorov; Denis G. Fedorenko; Anton Korshunov; Sergei D. Kuznetsov (Program. Comput. Softw., 2014)