Computer Science 1032A/B Chapter Notes - Chapter 8: Russell L. Ackoff, Online Analytical Processing, Online Transaction Processing

• School: Western University
• Department: Computer Science
• Course: Computer Science 1032A/B
• Professor: Louis Magguilli

Document Summary

Chapter 8: decision making and. For business managers, decision- making/choosing from range of alternatives is essence of management. Information overload: overabundance of irrelevant data: managers know what data they need. Final challenge in decision- making: raw operational data seldom suitable for sophisticated reporting/data mining. Problems w/ using operational data for business intelligence systems. 250: dirty data: problematic data, missing values data- mining application impaired if too many values missing, data granularity: degree of summarization/detail. In real time transactions entered and processed immediately on entry. Tend to be more complex and cost more to implement. Support decision making by providing raw info about transactions and status for firm. Allow multiple decision- makers to collaborate, often anonymously and @ different times in different locations. Integrate and process data by sorting, grouping, summing and formatting. Produce, administer, and deliver reports. Use sophisticated statistical techniques to find patterns and relationships. Share knowledge of products, uses, best practices, etc. , among employees, managers, customers and others.