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Building a COVID-Safe Navigation App Using a Meta-Model Based Context Server

  • Building context-aware applications is an already widely researched topic. It is our belief that context awareness has the potential to supplement the Internet of Things, when a suitable methodology including supporting tools will ease the development of context-aware applications. We believe that a meta-model based approach can be key to achieving this goal. In this paper, we present our meta-model based methodology, which allows us to define and build application-specific context models and the integration of sensor data without any programming. We describe how that methodology is applied with the implementation of a relatively simple context-aware COVID-safe navigation app. The outcome showed that programmers with no experience in context-awareness were able to understand the concepts easily and were able to effectively use it after receiving a short training. Therefore, context-awareness is able to be implemented within a short amount of time. We conclude that this can also be theBuilding context-aware applications is an already widely researched topic. It is our belief that context awareness has the potential to supplement the Internet of Things, when a suitable methodology including supporting tools will ease the development of context-aware applications. We believe that a meta-model based approach can be key to achieving this goal. In this paper, we present our meta-model based methodology, which allows us to define and build application-specific context models and the integration of sensor data without any programming. We describe how that methodology is applied with the implementation of a relatively simple context-aware COVID-safe navigation app. The outcome showed that programmers with no experience in context-awareness were able to understand the concepts easily and were able to effectively use it after receiving a short training. Therefore, context-awareness is able to be implemented within a short amount of time. We conclude that this can also be the case for the development of other context-aware applications, which have the same context-awareness characteristics. We have also identified further optimization potential, which we will discuss at the conclusion of this article.show moreshow less

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Metadaten
Author:Manfred WojciechowskiORCiD, Patrick PogschebaORCiD
open access (DINI-Set):open_access
Qualitätssicherung:peer reviewed
open access :Gold - Erstveröffentlichung mit Lizenzhinweis
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Medien
Document Type:Article
Year of Completion:2022
Language of Publication:English
Publisher:MDPI
Parent Title (English):sensors
Volume:22
Issue:24
Article Number:9890
Page Number:14
First Page:1
Last Page:14
URN:urn:nbn:de:hbz:due62-opus-39570
DOI:https://doi.org/10.3390/s22249890
ISSN:1424-8220
Tag:context awareness; context query language; development methodology; internet of things; meta model
Corresponding Author:Manfred Wojciechowski
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 000 Informatik, Informationswissenschaft, allgemeine Werke
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
Release Date:2022/12/16
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