Claude, GuillaumeGouranton, ValerieBerthelot, Rozenn BouvilleArnaldi, BrunoTakuya Nojima and Dirk Reiners and Oliver Staadt2014-12-172014-12-172014978-3-905674-65-11727-530Xhttps://doi.org/10.2312/ve.20141366https://diglib.eg.org/handle/10.2312/ve.20141366.063-066In this paper we present #SEVEN, a sensor effector model that enables the execution of complex scenarios for driving Virtual Reality applications. #SEVEN is based on an enhanced Petri net model which is able to describe and solve intricate event sequences. Our model also proposes several useful features for the design of collaborative scenarios for Collaborative Virtual Environments such as versatile roles and Activity Continuum.We also illustrate its usage it by describing a demonstrator that presents an implementation of our model.