Big Data applications: Making them deliver value

As a reminder, Software Testing is about both verifying that software meets the specification and also validating that the software system meets the business requirements (PMBOK Guide 4th Ed.). Most of the activity of the software testing teams attempts to verify that the code meets the specification. A small amount of Validation occurs during User Acceptance Testing, at which point it is normal to discover many issues where the system does not do what the user needs or wants.\ud It is only too clear that current approaches to software testing do not, so far, guarantee successful systems development and implementation