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MDM Architecture Styles – Do you have the right mix?


What is the right MDM architecture style for your organization? It’s definitely an open-ended question that deserves an informed answer, especially before making new investment decisions. But before tackling the question, it is useful to define and understand the MDM styles themselves. Dr. Dave Waddington of The Information Difference defined four broad styles in an […]

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Estimating Velocity


Velocity is perhaps the most important concept in agile development. In his recent Agile 101 class at the TDWI BI Summit in San Diego, Ralph Hughes defined velocity as “The number of story points that can be delivered comfortably in an iteration.” That estimate effects many other estimates, such as the size and mix of […]

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Is Your Agile Warehouse Project Stuck in Second Gear?


The first twenty-plus years of data warehouse projects yielded failure rates above fifty percent, and the waterfall methodology took much of the blame. Ironically, as Ralph Hughes points out in his book Agile Data Warehousing Project Management, the waterfall methodology itself was based on a “grievous misreading” of another work. Dr. Royce’s 1970 white paper […]

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A Good Data Warehouse Starts with a Firm Foundation


This seems so obvious that it hardly warrants mentioning, right? So why have I visited so many companies over my career where data marts, or even entire warehouses, were built using reference data from multiple sources where the data integration is ad-hoc and hardwired? I can think of several reasons that relate to realities of […]

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Big Data and Moneyball


Like many baseball fans, I was spellbound by Moneyball, the 2003 Michael Lewis book that told the story of how Oakland Athletics general manager Billy Beane and his staff leveled the playing field between baseball’s biggest teams and his small market club by finding overlooked value in the “big data” of baseball statistics. While I […]

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