Vyas, Nisarg, Jonathan Farringdon, David Andre, and John Stivoric. “Machine Learning and Sensor Fusion for Estimating Continuous Energy Expenditure”. Proceedings of the AAAI Conference on Artificial Intelligence 25, no. 2 (August 11, 2011): 1613–1620. Accessed May 11, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/18848.