Tagging L2 writing: learner errors and the performance of an automated part-of-speech tagger
This paper is concerned with the application of technologies developed in other disciplines, in particular with the use of text processing techniques to investigate the problems of second language learner writing in English. The question addressed is whether learner texts produced by L1-Malay lea...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2019
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| Online Access: | http://journalarticle.ukm.my/14094/1/30438-108026-1-PB.pdf http://journalarticle.ukm.my/14094/ http://ejournal.ukm.my/gema/issue/view/1212 |
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| Summary: | This paper is concerned with the application of technologies developed in other disciplines,
in particular with the use of text processing techniques to investigate the problems of second
language learner writing in English. The question addressed is whether learner texts
produced by L1-Malay learners at the University of Malaya can usefully be processed using
the Constituent Likelihood Automatic Word-tagging System (CLAWS); a part-of-speech
(POS) tagger developed for and trained on texts written by native speakers of the language.
The study adopts the procedure employed by van Rooy and Schäfer (2002).CLAWS was
used to automatically POS tag a subset of the Malaysian Corpus of Learner English
(MACLE), and the texts were then analyzed for tagging accuracy.CLAWS was found to
perform less well on learner text than on native speaker texts, but still with an accuracy rate
of over 90%. The sources of error are traced, and spelling errors are found to be the most
common source. Closer inspection indicates that successful tagging is likely to lead to
problems downstream in later processing, which suggests that to optimize performance, some
modifications will be required in tagger design. |
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