Browsing School of Science and Computing (JA) by Author "Mokhosi, Refuoe"

Browsing School of Science and Computing (JA) by Author "Mokhosi, Refuoe"

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  • Better word representation vectors using syllabic alphabet: a case study of Swahili 
    Shikali, Casper S.; Sijie, Zhou; Qihe, Liu; Mokhosi, Refuoe (MDPI, 2019-09)
    Deep learning has extensively been used in natural language processing with sub-word representation vectors playing a critical role. However, this cannot be said of Swahili, which is a low resource and widely spoken language ...
  • Enhancing African low-resource languages: Swahili data for language modelling 
    Shikali, Casper S.; Mokhosi, Refuoe (Elsevier, 2020-08)
    Language modelling using neural networks requires adequate data to guarantee quality word representation which is important for natural language processing (NLP) tasks. However, African languages, Swahili in particular, ...
  • Incorporating Word Significance into Aspect-Level Sentiment Analysis 
    Mokhosi, Refuoe; Qin, ZhiGuang; Liu, Qiao; Shikali, Casper S. (MDPI, 2019-08)
    Aspect-level sentiment analysis has drawn growing attention in recent years, with higher performance achieved through the attention mechanism. Despite this, previous research does not consider some human psychological ...
  • Learning syllables using CONV-LSTM model for Swahili word representation and part-of-speech tagging 
    Shikali, Casper S.; Mokhosi, Refuoe; Shijie, Zhou; Qihe, Liu (2021-06-04)
    The need to capture intra-word information in natural language processing (NLP) tasks has inspired research in learning various word representations at word, character, or morpheme levels, but little attention has been ...
  • Maximal activation weighted memory for aspect based sentiment analysis 
    Mokhosi, Refuoe; Shikali, Casper S.; Qin, Zhiguang; Liu, Qiao (Elsevier, 2022-11)
    The vast diffusion of social networks has made an unprecedented amount of user-generated data available, increasing the importance of Aspect Based Sentiment Analysis(ABSA) when extracting sentiment polarity. Although recent ...
  • A Sesotho news headlines dataset for sentiment analysis 
    Mokhosi, Refuoe; Shikali, Casper S.; Sethobane, Matello (Elsevier, 2024-03-27)
    Sentiment Analysis (SA) is a subset of Natural Language Processing (NLP) which has become a promising research area enabling the provision of language specific services. Although research in high resource languages such ...

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