David Brosset

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Over the past few years, several alternative approaches have been suggested to represent the spatial knowledge that emerges from natural environments. This paper introduces a rule-based approach whose objective is to generate a spatial semantic network derived from several humans reporting a navigation process in a natural environment. Verbal descriptions(More)
With the surge of mobile devices and applications, knowledge base browsing and querying facilities must be adapted to new kinds of users and services. Space and time databases are concerned and, as such, are the subject of this paper. Within a mobile context, data retrieval services must take the location of the call into consideration as regards space and(More)
This paper introduces a modelling approach oriented to the representation of urban activities which takes into account several interacting spatio-temporal constraints. An activity is modeled as a constraint-based path with different transportation modalities and points of interest identified in a given urban system. The objective of this spatio-temporal(More)
The objective of this paper is to devise a strategy for developing a flexible tool to efficiently install a marine energy farm in a suitable area. The current methodology is applied to marine tidal current, although it can be extended to other energy contexts with some adaptations. We introduce a three-step approach that searches for marine farm sites and(More)
When maps are not available verbal route descriptions provide a useful alternative for humans navigating in a natural environment. The semantics that emerge from such descriptions encompass several modelling abstractions that have been long studied by spatial cognition. However, a formal representation of navigation descriptions still remains a research(More)