ISYS104 Lecture Notes - Lecture 9: Online Analytical Processing, Expert System, Data Mining

• School: Macquarie University
• Department: Information Systems
• Course: ISYS104
• Professor: all

Document Summary

Week 9: business intelligence and information systems for decision making. Businesses need bi due to massive amounts of data, they use collected data, find patterns to make decisions for business, gain competitive advantage, cost saving. Bi systems provide information for improving decision making. See data with better clarity as it sorts, groups etc. Systems that produce reports so analysis is made easier. Improve decision making by providing information to right person at right time: data mining. Finds patterns and trends for decision making. Predict future: knowledge managements (km systems) Better responsiveness, improved customer care: expert system. Encode human knowledge into if/then rules and process those rules to make diagnoses or recommendations: reporting system. Uses a reporting tool that compiles data from different sources into information for the end user. Monetary how much money do they spend each time. Has a dynamic format : users can change format.