@article {9,
	title = {Online classification of visual tasks for industrial workflow monitoring},
	journal = {Neural Networks},
	volume = {24},
	year = {2011},
	pages = {852{\textendash}860},
	keywords = {Activity recognition, ESN, Fusion, Genetic algorithm, HMM, Workflow},
	issn = {0893-6080},
	author = {Athanasios Voulodimos and D. Kosmopoulos and Veres, Galina and Helmut Grabner and Van Gool, Luc and Varvarigou, T.A.}
}
@proceedings {8,
	title = {Robust Workflow Recognition Using Holistic Features and Outlier-Tolerant Fused Hidden Markov Models},
	journal = {International Conference on Artificial Neural Networks},
	volume = {1},
	year = {2010},
	pages = {551-560},
	author = {Athanasios Voulodimos and Helmut Grabner and D. Kosmopoulos and Van Gool, Luc and Varvarigou, T.A.}
}
