Spatial entities are temporal entities too: the case of motion verbs
Résumé
We argue that spatio-temporal primitives are crucial in giving a full view of the spatial and temporal structure of texts. We think that temporal and spatial structure are projections of a more complex and more complete spatio-temporal structure. We will make our case based on the an analysis of movement verbs, showing how they contribute in an important way to both temporal and spatial structure within discourse. Our analysis of movement verbs is based on a detailed lexical semantic analysis of a wide class of verbs in French. We give some ideas for how this lexical semantics when coupled with an analysis of how clauses involving these expressions are related to each other within a discourse using rhetorical relations can aid in determining the spatio-temporal structure of the text. We apply our approach to descriptions of climbing cliffs as well as descriptions of walking tours in the Pyrenees and descriptions of itineraries in Toulouse. We think that this provides sufficient justification for including movement verbs and spatio-temporal information in general within the specification of a SpatialML or rather its fusion with TimeML.
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