Language Detection in Sinhala-English Code-mixed Data

Language identification in text data has become a trending topic due to multiple language usage on the internet and it becomes a difficult task when it comes to bilingual and multilingual communication data processing. Accordingly, this study introduces a methodology to detect Sinhala and English words in code-mixed data and this is the first research done on such scenario at the time of this paper is written. In addition to that, the data set which is used for this research was newly built and published for similar research users. Even though there are well known models to identify Singlish Unicode characters which is a straightforward study; there are no proper language detection models to detect Sinhala words in a sentence which contains English words (code-mixed data). Therefore, this paper presents a language detection model with XGB classifier with 92.1% accuracy and a CRF model with a Fl-score of 0.94 for sequence labeling.