The cloud concept and its implementations are gaining in importance for systems that connect evermore new devices which in turn require communication with each other. In scenarios where we can find large numbers of data providers on one side and data consumers on the other side, such as in the Internet of Things, large scale sensor networks, machine to machine communication or even in social media, one emerging requirement is to process, procure, and provide information efficiently and with almost zero latency. This work is introducing new concepts to describe the flow of data to and from sources to cloud services in a formal way by limiting information flow with filtering concepts and combining data processing techniques adopted from complex event processing.
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