The 6 dimensions of big data quality

Historically, data quality has been measured in terms of dimensions including: Accuracy – the degree to which data reflects the real world Completeness – data that is adequately populated Timeliness – That data is available when expected and needed Consistency – that data across all systems reflects the same reality Conformity – that data has…

stock crash

“Buffet” says Sell!

A data error on the Nasdeq exchange caused chaos last week Monday, as the introduction of test data into the live systems vastly impacted the shares prices of a number of tech companies. Two notable examples: Amazon prices crashed by 87%, while Zynga bounced up by an amazing 3,292% In this case, the error can…