Named entity recognition for Vietnamese

Authors:
Dat Ba Nguyen;Son Huu Hoang;Son Bao Pham;Thai Phuong Nguyen
Affiliations:
Faculty of Information Technology, University of Engineering and Technology, Vietnam National University, Hanoi;Faculty of Information Technology, University of Engineering and Technology, Vietnam National University, Hanoi;Faculty of Information Technology, University of Engineering and Technology, Vietnam National University, Hanoi;Faculty of Information Technology, University of Engineering and Technology, Vietnam National University, Hanoi
Venue:
ACIIDS'10 Proceedings of the Second international conference on Intelligent information and database systems: Part II
Year:
2010

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Abstract

Named Entity Recognition is an important task but is still relatively new for Vietnamese. It is partly due to the lack of a large annotated corpus. In this paper, we present a systematic approach in building a named entity annotated corpus while at the same time building rules to recognize Vietnamese named entities. The resulting open source system achieves an F-measure of 83%, which is better compared to existing Vietnamese NER systems.