CRIM 101 Chapter Notes - Chapter 8: Affinity Analysis, Russell L. Ackoff, Online Analytical Processing
12 Jun 2013
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Management misinformation systems by russell ackoff suggested erroneous assumptions made about is and how it affected managerial decision making. Bad decisions due to too many uncertainties and complexities. 403 petabytes created in 2002, same amount as all printed material ever written. Data grows at 30% a year 3. 3 exabytes by 2010. Data is important because if made available to right people at right time, then it can improve decision making. Difficulty lies with trying to find the right data and incorporating it into decision making. Is helps and makes difficult at same time (creates data) May arise due to things changing over time (ie. old address and new addresses) Fine = very inclusive of many precise details, which may not be necessary. Preferred over coarse data (can sum and combine to make coarser) What is oltp and how does it support decision making. Online transaction processing (oltp) collecting data electronically and processing the transactions online.
