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\bibitem{DennisG.Romero_etal2015} Dennis G. Romero, A. Frizera, Angel D. Sappa, Boris X. Vintimilla, \& T.F. Bastos. (2015). A predictive model for human activity recognition by observing actions and context. In \textit{ACIVS 2015 (Advanced Concepts for Intelligent Vision Systems), International Conference on, Catania, Italy, 2015} (pp. 323--333).

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