Through a Fuzzy Spatiotemporal Information System for Handling Excavation Data

This article presents an approach for dealing with archaeological excavation data with its imperfection (imprecision) from modeling to querying. It introduces a new archaeological data model in PVL and extends it in Imperfect PVL. Since archaeological data are mostly imprecise, a fuzzy set approach is used for the storage and the querying. From the modeling, it proposes a way to store fuzzy data into a multivalued form, and then it exposes the link between the classic (non imperfect) data and the multivalued data. Finally, it illustrates the approach using some simple requests for spatial, temporal and spatiotemporal imperfect information extraction.

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