24th 2nd International conference on Advanced Natural Language Processing (AdNLP 2021),London, United Kingdom

29th The 7th International Conference on Electrical Engineering and Electronics (EEE’21) ,Hlavni Mesto Praha, Czech Republic

29th The 6th International Conference on Computer and Information Science and Technology (CIST’21),Hlavni Mesto Praha, Czech Republic

29th 3rd International Conference on Statistics  Theory and Applications (ICSTA’21),Hlavni Mesto Praha, Czech Republic