L3-4

• Business intelligence (BI) system is an information system that provides information for improving decision making.
• PRIMARY ACTIVITIES IN THE BI PROCESS

  • Acquire Data
  • Perform Analysis
  • Publish Results
• CATEGORIES OF BUSINESS INTELLIGENCE SYSTEM

  • Reporting Systems
  • Data mining Systems
  • Knowledge Management Systems
  • Expert Systems
• Reporting systems integrate data from multiple sources, and then process that data by sorting, grouping, summing, averaging, and comparing.
• Data mining systems process data using sophisticated statistical techniques, such as regression analysis and decision tree analysis to find patterns and relationships that cannot be found by simpler reporting operations, such as sorting, grouping, and averaging
• Knowledge management (KM) systems create value from intellectual capital by collecting and sharing human knowledge of products, product uses, best practices, and other critical knowledge with employees, managers, customers, suppliers, and others who need it.
• Expert systems encapsulate the knowledge of human experts in the form of If/Then rules. Operational expert systems can have hundreds or even thousands of such rules.