Personal data about users (customers) is a key component for enterprises and large organizations. Its correct analysis and processing can produce relevant knowledge to achieve different business goals. For example, the monetisation of this data has become a valuable asset for many companies, such as Google, Facebook or Twitter, that obtain huge profits mainly from targeted advertising. The increase of personal data is astonishing and the forecasts point to a sustained growth in the next years (Gantz and Reinsel, 2012). Nowadays, personal data is distributed across different Service Providers (SP) or diverse components of Enterprise Architectures (EAs). Moreover, due to users accepting the terms of service and the privacy policies to access services, they are transferring and giving their personal data to enterprises that can use and manage it as they please.
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