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In this paper a hybrid framework is illustrated, with a software and hardware integration strategy, for an industrial platform that exploits features from a Relational Database (RDB) and Triplestore using the blackboard architectural pattern, ensuring efficient and accurate communication concerning data transfer among software applications and devices. Specifically, "Raw Data Handler", manages unstructured data from IoT devices that are kept in an Apache Cassandra instance, while "Production Data Handler" acts on structured data, persisted in a MySQL database. Filtered data is transformed into knowledge and persisted into the Triplestore database (DB) and can be retrieved by expert systems at any time. The proposed framework will be tested and validated within Z-FactOr project. (C) 2019 The Authors. Published by Elsevier Ltd.
Grevenitis et al. (Tue,) studied this question.