Abstract
ABSTRACTThe transition from traditional to Big Data technologies has put new challenges in front of existing database modelling techniques. The ‘Design then implement’ approach to relational database modelling, could not be fully applied to ‘Discover and analyze’ databases with rapid data growth. In the context of Big Data, models have preserved a descriptive role: they are used to analyze and understand the architecture of hybrid data structures. From the Model-Driven Engineering point of view, several questions emerge: Could Big Data and hybrid database models represent a formal specification for a solution, which can be transformed to an executable specification for a specific target platform? Does the refining mechanism have its place in the process of hybrid data structure development? An approach to modelling hybrid databases, based on empirically validated concepts of Model-Driven Engineering, is presented in this paper. The approach was applied during the implementation of Precision Agriculture Based Information Service (PAIS) application – a web-based service for the collection and archiving of diverse data on crops, and their presentation to farmers.
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