Vukosi Marivate

A Multifaceted Approach to Bitcoin Fraud Detection: Global and Local Outliers

2016

In the Bitcoin network, lack of class labels tend to cause obscurities in anomalous financial behaviour interpretation. To understand fraud in the latest development of the financial sector, a multifaceted approach is proposed. In this …

NL-Augmenter 🦎 → 🐍 A Framework for Task-Sensitive Natural Language Augmentation

2023 · Northern European Journal of Language Technology

Data augmentation is an important method for evaluating the robustness of and enhancing the diversity of training data for natural language processing (NLP) models. In this paper, we present NL-Augmenter, a new participatory Python-based natural …

Cross-lingual embedding methods and applications: A systematic review for low-resourced scenarios

2025 · Natural Language Processing Journal

The field of Natural Language Processing (NLP) has achieved significant success in various areas, such as developing large-scale datasets, algorithmic complexity, optimized computing capabilities, refined individual and community expertise, and more, particularly in languages such …