Towards Interoperability of Entity-based and Event-Based IoT Platforms: The Case of NGSI and EPCIS Standards

Yalew Tolcha, Ayalew Kassahun, Teodoro Montanaro, Davide Conzon, Georg Schwering, Jarissa Maselyne, Daeyoung Kim

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

With the advancement of IoT devices and thanks to the unprecedented visibility and transparency they provide, diverse IoT-based applications are being developed. With the proliferation of IoT, both the amount and type of data items captured have increased dramatically. The data generated by IoT devices reside in different organizations and systems, and a major barrier to utilizing the data is the lack of interoperability among the standards used to capture the data. To reduce this barrier, two major standards have emerged: the Global Standards One (GS1) Electronic Product Code Information Service (EPCIS) and the FIWARE Next Generation Services Interface (NGSI). However, the two standards differ not only in the data encoding but also in the underlying philosophy of representing IoT data; namely, EPCIS is event-based, and NGSI is entity-based. Interoperability between FIWARE and EPCIS is essential for system integration. This paper presents OLIOT Mediation Gateway, now one of the incubated generic enablers offered by the FIWARE Foundation, that realizes the required interoperability between NGSI and EPCIS systems. It also demonstrates the applicability and feasibility of the Gateway by applying it to a real-life case study of integrating transparency systems used in a meat supply chain.
Original languageEnglish
Pages (from-to)1-1
JournalIEEE Access
DOIs
Publication statusE-pub ahead of print - 29 Mar 2021

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