@inproceedings{CASE-2008-ZhuCS,
	author        = "Chun Zhu and Qi Cheng and Weihua Sheng",
	booktitle     = "{Proceedings of the Fourth International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2008.4626513",
	isbn          = "978-1-4244-2022-3",
	pages         = "253--258",
	publisher     = "{IEEE}",
	title         = "{Human intention recognition in Smart Assisted Living Systems using a Hierarchical Hidden Markov Model}",
	year          = 2008,
}