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The main purpose of SiLVIA is to supply procedures for simulating the dynamics of colliding rigid bodies and the interactive manipulation of these bodies in virtual environments. Detecting collisions between virtual objects and calculating their reaction to these collisions play an important role in VR applications such as ergonomy studies or virtual assembly simulations.

This research look at environments for distant learning from a perspective of cognitive ergonomy and computer interface design. We will some studies and systems for distant learning and report on usability evaluation that were done with learners. We will then draw from their limitations some principles of a better adapted interaction and a model for a better interface. Finally ExploraGraph a fr...

Classification of sequential data (data obtained from series of actions in chronological order) has many applications in security, marketing or ergonomy. In this paper, we present a tool for classification of sequential data. We introduce a new clean dataset of web-browsing logs, and study the case of implicit authentification from web-browsing. We then detail more of the functioning of the too...

Computer-Assisted Translation systems can be used by human translators to increase their productivity. In these systems, the computer suggests portions of target sentence that can be accepted or amended by a human translator. In the present work we will introduce speech as a novel way to interact with these systems. The rational behind this approach is to increase the throughout and ergonomy. D...

User centered virtual prototyping emphasizes human-product interaction and the function of virtual prototyping in product design and analysis. This implies the process of simulating the user, the product, and their combined interaction in software through different stages of product design, and the quantitative analysis of usability and ergonomy of the product. Testing prototypes in virtual rea...

Our project builds on an established internet service that facilitates understanding complex political agendas and helps to choose the best candidates in local or governmental elections. The service, widely adopted by the great public in Finland, is text based, and according to our claim, does not perform optimally with respect to cognitive ergonomy and visualization. The present paper describe...