期刊
CMC-COMPUTERS MATERIALS & CONTINUA
卷 71, 期 1, 页码 1789-1805出版社
TECH SCIENCE PRESS
DOI: 10.32604/cmc.2022.021131
关键词
Machine learning; data sciences; artificial intelligence; opinion mining; sentiment analysis; sentiment lexicon; lexicon-based; bilingual lexicon
资金
- University Grant Scheme [13879]
- Ministry of Higher Education, Malaysia
- Universiti Utara Malaysia
This paper addresses the lack of sentiment lexicon in sentiment analysis research in the Malaysian context and proposes a new bilingual sentiment lexicon called MELex. The approach differs from previous works as MELex can analyze text for both Malay and English languages with 90% accuracy. It is evaluated based on experimentation and case study on affordable housing projects in Malaysia, showing implications for analyzing public sentiments in the Malaysian context. The paper introduces a new technique for assigning polarity score and improves the performance of classifying mixed language content.
Currently, the sentiment analysis research in the Malaysian context lacks in terms of the availability of the sentiment lexicon. Thus, this issue is addressed in this paper in order to enhance the accuracy of sentiment analysis. In this study, a new lexicon for sentiment analysis is constructed. A detailed review of existing approaches has been conducted, and a new bilingual sentiment lexicon known as MELex (Malay-English Lexicon) has been generated. Constructing MELex involves three activities: seed words selection, polarity assignment, and synonym expansions. Our approach differs from previous works in that MELex can analyze text for the two most widely used languages in Malaysia, Malay, and English, with the accuracy achieved, is 90%. It is evaluated based on the experimentation and case study approaches where the affordable housing projects in Malaysia are selected as case projects. This finding has given an implication on the ability of MELex to analyze public sentiments in the Malaysian context. The novel aspects of this paper are two-fold. Firstly, it introduces the new technique in assigning the polarity score, and second, it improves the performance over the classification of mixed language content.
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