You want fast analysis of huge data sets that change rapidly or have a short life, such as a Web shopping cart?

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Another, called Bloom, was developed by computer scientists at UC Berkeley for analysis of large data sets in the popular open source Hadoop database.

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By adopting a Big Data model, the analysis of massive data sets will create actionable information, eliminate blind spots where threats can lurk undetected and, ultimately, help to shrink our windows of vulnerability.

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It said the lack of consultation and analysis on the supermarket levy "sets a highly undesirable precedent" that will be a warning to investors about possible tax hikes in future - "thus further undermining the attractiveness of Scotland as a place to invest".

BBC: Scotland independence uncertainty 'risk to investment'

The study paints a picture of a business environment in which access to information is more distributed, data analysis skills are more common, and tools to manage and analyze large sets of data are more pervasive.

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Since then, scores of scientists have tested and re-run the analysis carried out by Mann, McIntyre and McKitrick, using different approaches and more refined data sets.

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