RASLAN 2010 : Recent Advances in Slavonic Natural Language Processing : fourth Workshop on Recent Advances in Slavonic Natural Language Processing, RASLAN 2010 : Karlova Studánka, Czech Republic, December 3-5, 2010 : proceedings - Sojka, Petr, 1963-; Horák, Aleš, 1974- (Tribun EU, 2011)