Đánh giá tập nhãn và xác định lỗi tự động trong kho ngữ liệu đã gán nhãn
The first part evaluates properties of tagset and possibility convertible of tagsets in Vietnamese. In the part, main goal is to optimize which tagset is better and whether small tagset can convert into large one and reverse. Thesis achieves this goal by using internal, external criteria and s...
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| Main Author: | |
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| Format: | Theses and Dissertations |
| Language: | other |
| Published: |
Đại học Quốc gia Hà Nội
2016
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| Subjects: | |
| Online Access: | http://repository.vnu.edu.vn/handle/VNU_123/8263 |
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| Institution: | Vietnam National University, Hanoi |
| Language: | other |
| Summary: | The first part evaluates properties of tagset and possibility convertible of
tagsets in Vietnamese. In the part, main goal is to optimize which tagset is better and
whether small tagset can convert into large one and reverse. Thesis achieves this goal by
using internal, external criteria and statistic of lost ambiguous token. Internal criterion
tests whether token assigns POS accurately. External criterion checks quantity of
linguistic information is retained. In particular, internal criterion relates to frame and
purity notion. To investigate retained information, we carried out merging some tags
based on certain classification factor. Each different tagset, we had different parameter.
As the result, classification based on syntax has better result but ambiguous words are
large. Besides, in Vietnamese, it is hard to convert between tagsets. |
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