Publications & Research

Academic papers, technical reports, and research contributions in data science, machine learning, and healthcare analytics.

Journal Article 2024

Machine Learning Approaches for Hospital Readmission Prediction: A Comparative Study

D. Wanjala, J. Smith, K. Omondi

A comprehensive comparison of ensemble methods and deep learning architectures for predicting 30-day hospital readmissions using electronic health records.

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Conference Paper 2023

Real-time Anomaly Detection in IoT Networks Using Federated Learning

D. Wanjala, M. Kamau

Presented at International Conference on Machine Learning and Applications. Introduces a privacy-preserving approach to network intrusion detection.

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Technical Report 2023

Optimizing Database Query Performance Using Machine Learning: A Case Study

D. Wanjala

Technical deep-dive into using gradient boosting models to predict and optimize SQL query execution plans, resulting in 40% performance improvement.

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Preprint 2024

Transfer Learning for Low-Resource Language NLP: Applications in Swahili Text Classification

D. Wanjala, A. Mwangi, P. Otieno

Exploring multilingual transformer fine-tuning techniques to improve sentiment analysis and topic classification for Swahili language content.

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