Named Entity Recognition in Estonian. - Alexander Tkachenko; Timo Petmanson; Sven Laur (BSNLP@ACL, 2013)

Hybrid Lemmatizer for Estonian. - Alexander Tkachenko; Timo Petmanson; Sven Laur (Baltic HLT, 2014)

EstNLTK - NLP Toolkit for Estonian. - Siim Orasmaa; Timo Petmanson; Alexander Tkachenko; Sven Laur; Heiki-Jaan Kaalep (LREC, 2016)

Modeling Composite Labels for Neural Morphological Tagging. - Alexander Tkachenko; Kairit Sirts (CoNLL, 2018)

Neural Morphological Tagging for Estonian. - Alexander Tkachenko; Kairit Sirts (Baltic HLT, 2018)