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Wuraola Fisayo Oyewusi

Wuraola Fisayo Oyewusi
Data Science Nigeria · Research and Innovation

Bachelor of Pharmacy

About

21
Publications
7,666
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10
Citations
Citations since 2017
21 Research Items
10 Citations
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201720182019202020212022202302468
201720182019202020212022202302468
201720182019202020212022202302468

Publications

Publications (21)
Conference Paper
Full-text available
Nigerian English adaptation, Pidgin, has evolved over the years through multi-language code switching, code mixing and linguistic adaptation. While Pidgin preserves many of the words in the normal English language corpus, both in spelling and pronunciation, the fundamental meaning of these words have changed significantly. For example, ‘ginger’ is...
Conference Paper
Full-text available
This work presents AFRIFASHION1600, an openly accessible contemporary African fashion image dataset containing 1600 samples labelled into 8 classes representing some African fashion styles. Each sample is coloured and has an image size of 128 x 128. This is a niche dataset that aims to improve visibility, inclusion, and familiarity of African fashi...
Conference Paper
Full-text available
In this work we present TCNSpeech, a community-curated multispeaker sermon corpus for speech recognition tasks. It contains a total of 24 hours of English audio data recording, chunked and transcribed. The context of the dataset is domain-specific for sermons in Nigerian English accent and a use case for community data curation. The dataset is made...
Conference Paper
Full-text available
Pharmacovigilance has been employed in several countries including Nigeria as a means of monitoring and detecting adverse drug reactions at an earlier stage, thus preventing harm from occurring in the larger population. Under-reporting of suspected adverse drug reactions (ADRs) to public health facilities is one of the challenges facing pharmacovig...
Conference Paper
Full-text available
Most of the common applications of Named Entity Recognition (NER) is in English and other highly available languages. In this work, we present our findings on Named Entity Recognition for 5 Nigerian Languages (Nigerian English, Nigerian Pidgin English, Igbo, Yoruba and Hausa). These languages are considered low-resourced, and very little openly ava...
Conference Paper
Full-text available
In this work, we share our methodology and findings from applying named entity recognition (NER) using machine learning, to identify behavioural patterns in transcribed family planning client call centre data in Nigeria based on the Fogg's model. The Fogg Behaviour Model (FBM) describes the interaction of three key elements Motivation (M), Ability...
Conference Paper
Full-text available
English Automatic Speech Recognition systems are trained on regular speech, therefore they may struggle to perform well on accented and domain-specific speech. For broader applications of ASR systems, such as in education, where there is synchronous learning, it is important to have a reliable system-a specialized system that recognises terms used...
Conference Paper
Full-text available
In this work, we propose COVNLP, a novel dataset for Natural language processing tasks. The openly available dataset consists of 3,199 de-identified peer-to-peer messages shared across different channels like Whatsapp, SMS and Social media channels from volunteers during the COVID-19 pandemic in Nigeria. The messages were labelled by both participa...
Conference Paper
Full-text available
Afrocentric fashion images suitable for machine learning tasks are not well represented in open datasets. In this work we present AFRIGAN, a generative adversarial model for contemporary African fashion images. AFRIGAN can be leveraged as a tool for realistic image data synthesis, design iteration and experimentation for contemporary African fashio...
Conference Paper
Full-text available
We present AFRIFASHION40000, an openly available dataset of African fashion images generated using Generative Adversarial Networks (GANs). This work explores the practical application of Artificial Intelligence to contemporary African art for new designs, image data synthesis, and representation in computer vision tasks. This is a sequel to AFRIFAS...
Conference Paper
Full-text available
Social media has proven to be influential in social justice advocacy. In 2020, thousands of Nigerians and allies used the EndSARS hashtag to protest police brutality in Nigeria. In this work, we aim to understand the conversation associated with the EndSARS hashtag by comparing the outcome of semi-supervised and self-supervised machine learning cla...
Conference Paper
Full-text available
Digital communities for data crowdsourcing are here to stay. This work presents our tested framework for activation, maintenance, and long-term engagement of digital crowdsourcing communities for data collection. The work explores our organizational framework, decision-making process, and learnings from our experience building these communities.
Preprint
Full-text available
Most of the common applications of Named Entity Recognition (NER) is on English and other highly available languages. In this work, we present our findings on Named Entity Recognition for 5 Nigerian Languages (Nigerian English, Nigerian Pidgin English, Igbo, Yoruba and Hausa). These languages are considered low-resourced, and very little openly ava...
Conference Paper
Full-text available
The methodologies used in implementing and developing Artificial Intelligence initiatives and solutions for the common good are mostly deficient in achieving the true essence of the phrase "AI for Common Good". In this paper, we are proposing a methodology for developing Artificial Intelligence solutions that adopt a grassroots federated community...
Conference Paper
Full-text available
Democratizing access to Artificial Intelligence and truly utilizing it for the common good requires multi-stakeholder AI competitions focussed on real and prevalent problems with the potential for large scale impact and that promotes and ensures the explainability, reproducibility, contextualization and incremental enhancements of solutions. We pro...
Conference Paper
Full-text available
Africa is known for its rich and diverse culture. Africans are flamboyant and fashion is an expression of our shared heritage as a people.Traditional African fashion is rich, colourful and vibrant,and allows for adaptable customization. In this work, we present AFRIRAZER, a deep learning model for background and skin removal in African fashion imag...
Preprint
Full-text available
Nigerian English adaptation, Pidgin, has evolved over the years through multi-language code switching, code mixing and linguistic adaptation. While Pidgin preserves many of the words in the normal English language corpus, both in spelling and pronunciation, the fundamental meaning of these words have changed significantly. For example,'ginger' is n...
Preprint
Full-text available
Yor\`ub\'a is a widely spoken West African language with a writing system rich in orthographic and tonal diacritics. They provide morphological information, are crucial for lexical disambiguation, pronunciation and are vital for any computational Speech or Natural Language Processing tasks. However diacritic marks are commonly excluded from electro...

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