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This article introduces user experience research that has been carried out by evaluating a video-illustrated science fiction prototype with process control workers. Essentially, the prototype 'A remote operator's day in a future control center in 2025' was aimed at discovering opportunities for new interaction methods and ambient intelligence for the factories of the future. The theoretical objective was to carry out experience design research, which was based on explicit ambient user experience goals in the nominated industrial work context. This article describes the complete creative prototyping process, starting from the initial user research that included evaluations of current work practices, technological trend studies and co-design workshops, and concluding with user research that assessed the final design outcome, the science fiction prototype. The main contribution of the article is on the ambient user experience goals, the creation process of the video-illustrated science fiction prototype, and on the reflection of how the experience-driven prototype was evaluated in two research setups: as video sequences embedded in a Web survey, and as interviews carried out with expert process control workers. For the science fiction prototyping process, the contribution demonstrates how the method may employ video-illustration as a means for future-oriented user experience research, and how complementary user-centered methods may be used to validate the results.

International audience; From its source to the Mediterranean Sea, the Vidourle valley, 95 km long, meets the various landscapes of the low-Languedoc géo-system. Through its journey, the river runs across the Cévennes (a small chain of mountains), the karstik hills, the garrigue and the Camargue. This very rich natural environment is a perfect field for spatio-temporal analysis of settlements from the Iron Age to the High Middle Ages. Occupied since millenaries, this valley is of great archaeological wealth and allow us to question the behavior of man towards a river, through his travels and his way to develop the land, but also provides some answers on the roles of streams in this development. Based on many already advanced archaeological works (excavations, surveys, geomorphological analysis), this study was completed by new fieldworks in the upper valley of the river, expanding our knowledge of the settlement and helping us to provide a database of 832 archeological sites on which this analysis is based. Combining archeology, history and geography, along with the use of well known methods of studies (G.I.S, statistics, etc.), this research highlights the desire to offer a review of the issue of dynamics in valley of Vidourle. The broad chronological framework strengthens this desire and gives a more complete picture of the history of human occupation.