Development of multi-level indoor navigation ontology for location-based services

Publication Type:
Thesis
Issue Date:
2018
Full metadata record
About 90 percent of human activities are in indoor environments. A need for indoor navigation requires Location-Based Services (LBS). The LBS should be able to help people find the best route inside a building under all circumstances and with high reliability, supporting users to navigate to all indoor spaces on every level of a building. The current research has been focusing on technologies and applications for LBS. There is little work on a standard for LBS. This research contributes to a new LBS standard using ontology theory. Two ontologies are developed in this thesis. Firstly, a Multi-level Indoor Navigation Ontology is developed. This ontology builds the standard for LBS in multi-level indoor environments and considers the building status of emergency and normal states for user navigation. This ontology is designed to present environmental attributes including location nodes, connection points, and building status in a multi-level building. Indoor location nodes with location information allow for navigation within a building, with connection points which can separate the map zones and the building floors. Secondly, an ontology for finding lost property in a multi-level indoor space is developed as a sub-level standard in an LBS application. These two ontologies are validated using experiments using an iBeacon network in a high-rise building.
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