Semantic-based multi-modal spatio-temporal data association method
A spatio-temporal data and multi-modal technology, applied in the field of geospatial information systems, can solve the problems that time, space and rich content semantic multi-modal spatio-temporal data cannot be fully applied, and there are few studies on ontology models.
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[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the implementation methods and accompanying drawings.
[0033] Aiming at the time, space and content semantic features of multi-modal spatio-temporal data, the present invention proposes a semantic-based multi-modal spatio-temporal data association model by making full use of ontology resource descriptions to obtain standardized semantic expressions. The spatiotemporal data association model realizes the association processing of geospatial data (spatiotemporal data).
[0034] The semantic-based multimodal spatiotemporal data association model of the present invention includes three parts: multimodal spatiotemporal data semantic expression ontology model, spatiotemporal data feature-semantic mapping module, and multimodal spatiotemporal data semantic association model;
[0035] Among them, t...
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