Deliverable D2.3 is the first submitted iteration of a living document that will describe the components and architecture of the BigDataGrapes software stack, providing design principles and technical guidelines in order for the platform's functionalities to be aligned with the requirements of the end users represented in the project. The current version of the specification is based on the preliminary analysis of the use cases provided by the three BigDataGrapes industrial partners, covering

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... e basic functional and non-functional expectations from the platform in order for the latter to conform to the requirements of those use cases. It is expected that, as the use cases are refined and executed, the overall specification and the corresponding architecture will evolve towards the new requirements that arise. To this end, the specifications document is treated as a living document, with regular submission to the EC of versions that report on significant changes in design and functionality.