Chapter 9 Flashcards
BI
Business Intelligence
- Provides info for improving decision making
OLTP
Online Transaction Processing
Collects Data electronically & process the transactions online
Backbone of ALL functional, cross-functional, and inter-organizational systems in an org
Reporting Systems
- Integrate data from multiple sources
- Sort, group, sum, average, and compare data
- Improve decision-making by providing info to users at right time.
Data-Mining Systems
- Process data using sophisticated stats
- Looks for patterns/relationships to anticipate events or predict future
Can be supervised or unsupervised
Unsupervised data mining
Hypothesis created after analysis as explanation for results
Supervised Data Mining
- Model/Hypothesis developed before analysis
- Stat techniques applied to data to estimate parameters of model
KMS
Knowledge-Management Systems
- Collect & Share human knowledge
- Foster innovation
- Improve customer service
- Increase org responsiveness
Expert Systems
Encapsulate knowledge of human experts in form of If/Then rules
Ex. If condition is true, Then initiate procedure
Data Warehouse
Enables and supports business intelligence (BI) activities, especially analytics.
Large amounts of data need this
Data Mart
- Data collection
- Created to address specific needs
- Smaller data warehouse