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Assessment of spatial reference points and spatial relations in indoor environments for orientation tasks from natural language descriptions

Cristiane K Marchi Fagundes, Rhaíssa Viana Sarot, Luciene Stamato Delazari


Spatial Relations and Spatial Reference Points have been studied for decades in the areas of cognition, geography, computer science, geosciences and recently, in robotics and artificial intelligence. Moreover, the process of orientation and navigation in outdoor and indoor environments requires a thorough study with Spatial Relations and Spatial Reference Points. However, there are experiments performed with computational resources, by means of simulations or illustrations. Considering this, the objective of this research was the realization of experiments in natural language that considered the human spatial orientation used in tasks performed in people’s daily routine in indoor environments. Furthermore, it will contribute to the studies that have considered descriptions of everyday environments performed in daily natural language. The methodology consisted of collecting descriptions that were used to the indoor environment in real routine. Finally, the descriptions were analysed and provided the classification of spatial reference points and spatial relations most expressive in the Brazilian Portuguese language. Thus, these results contributed to the understanding of the process of user’s spatial orientation, especially in indoor environments.

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