Getting down to the nitty gritty- BI products that are SQL-centric and optimised for structured data and Big Data sources optimised for unstructured data. Increasing focus by business users to exploit self-service BI makes it difficult to bridge the gap. But there are practical answers such as HP Enterprise's HAF-V with BI & visualisation over Vertica & IDOL (Autonomy) ((structured & unstructured data) And follow link to Logi Analytics & Big Data