%0 Conference Paper
%A Nguyen, Hong Quan
%A Nguyen, Phuong Thai
%A Dang, Thanh Quyen
%A Nguyen, Van Hiep
%B RIVF: 2015 IEEE RIVF International Conference on Computing Communication Technologies - Research, Innovation, and Vision for the Future
%C Can Tho, Vietnam
%D 2015
%F SisLab:1594
%K Markov processes;equivalence classes;natural language processing;trees (mathematics);Vietnamese Treebank;automatic detection;equivalence classes;problematic rules;syntax trees;vertical Markovization;Abstracts;Accuracy;Buildings;Educational institutions;Natural language processing;Reliability;Syntactics;VTB;ad hoc;auto;detect;equipvalence;error;markovization;treebank
%P 13-18
%T Automatic detection of problematic rules in Vietnamese Treebank
%U https://eprints.uet.vnu.edu.vn/eprints/id/eprint/1594/
%X Vietnamese Treebank is a syntactically annotated corpus newly published in 2009. In this paper, we applied automated methods to detect errors in Vietnammese Treebank based on the concept of equivalence classes proposed by Dickinson. On this basis, we propose an improved method of error detection by transforming syntax trees based on vertical markovization. Our experimental results on Vietnamese Treebank showed that the scope of error detection was extended more than 2 times and the precision was improved more than 18.07% in comparison with the base line methods.