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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 5 of 5 1 Towards Financial Sentiment Analysis in a South African Landscape ... Terblanche, Michelle; Marivate, Vukosi. - : arXiv, 2021 Abstract: Sentiment analysis as a sub-field of natural language processing has received increased attention in the past decade enabling organisations to more effectively manage their reputation through online media monitoring. Many drivers impact reputation, however, this thesis focuses only the aspect of financial performance and explores the gap with regards to financial sentiment analysis in a South African context. Results showed that pre-trained sentiment analysers are least effective for this task and that traditional lexicon-based and machine learning approaches are best suited to predict financial sentiment of news articles. The evaluated methods produced accuracies of 84\%-94\%. The predicted sentiments correlated quite well with share price and highlighted the potential use of sentiment as an indicator of financial performance. A main contribution of the study was updating an existing sentiment dictionary for financial sentiment analysis. Model generalisation was less acceptable due to the limited amount of ... : Accepted for publication in Proceedings of CD-MAKE 2021 Conference ... Keyword: Computation and Language cs.CL; FOS Computer and information sciences URL: https://dx.doi.org/10.48550/arxiv.2106.10004 https://arxiv.org/abs/2106.10004 BASE Hide details 2 Improving Short Text Classification Through Global Augmentation Methods Marivate, Vukosi; Sefara, Tshephisho In: Lecture Notes in Computer Science ; 4th International Cross-Domain Conference for Machine Learning and Knowledge Extraction (CD-MAKE) ; https://hal.inria.fr/hal-03414750 ; 4th International Cross-Domain Conference for Machine Learning and Knowledge Extraction (CD-MAKE), Aug 2020, Dublin, Ireland. pp.385-399, ⟨10.1007/978-3-030-57321-8_21⟩ (2020) BASE Show details 3 AI4D - African language dataset challenge Siminyu, Kathleen; Freshia, Sackey; Abbott, Jade. - 2020 BASE Show details 4 Participatory research for low-resourced machine translation : a case study in African languages Nekoto, Wilhelmina; Marivate, Vukosi; Matsila, Tshinondiwa. - 2020 BASE Show details 5 Participatory Research for Low-resourced Machine Translation:A Case Study in African Languages Nekoto, Wilhelmina; Marivate, Vukosi; Matsila, Tshinondiwa. - 2020 BASE Show details

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