My alternative title for this post was “Money for Nothing,” which is along the same lines. I have been engaged in discussions regarding Big Data, which has become a bit of a buzz phrase of late in both business and government. Under the current drive to maximize the value of existing data, every data source, stream, lake, and repository (and the list goes on) has been subsumed by this concept. So, at the risk of being a killjoy, let me point out that not all large collections of data is “Big Data.” Furthermore, once a category of data gets tagged as Big Data, the further one seems to depart from the world of reality in determining how to approach and use the data. So for of you who find yourself in this situation, let’s take a collective deep breath and engage our critical thinking skills.
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The Water is Wide — Data Streams and Data Reservoirs
I’ve had a lot of opportunities lately, in a practical way, to focus on data quality and approaches to data. There is some criticism in our industry about using metaphors to describe concepts in computing.
Like any form of literature, however, there are good and bad metaphors. Opposing them in general, I think, is contrarian posing. Metaphors, after all, often allow us to discover insights into an otherwise opaque process, clarifying in our mind’s eye what is being observed through the process of deriving similarities to something more familiar. Strong metaphors allow us to identify analogues among the phenomena being observed, providing a ready path to establishing a hypothesis. Having served this purpose, we can test that hypothesis to see if the metaphor serves our purposes in contributing to understanding.
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Life, Project Management, and Everything 