Used by a single individual and is easy to manage
Used by multiple individuals and is hard to manage
Procedures are complicated and formalized
Auctions
Exchanges
Web storefront
Clearinghouses
What is the future probability?
How does the current situation compare to the past?
Is there a pattern/relationship among the data?
Has this relationship occurred in the past?
What is the current situation?
WIll a given customer default on a car loan?
Complexity of techniques used
Reporting tools tend to be used to asses, whereas data mining tools tend to be used to predict
Reporting tools = simple operations and data mining tools= sophisticated statistical techniques
Choices I and II are correct
All are correct
Computer knowledge
Employee (human) knowledge
Societal knowledge
111
555
431
542
Dollar amount (money)
Machinery
Knowledge
411
111
511
211
113
551
332
441
Don't let them go, they are valuable.
No one on the sales team should even think about this customer. Let them go the loss will be minimal.
They should be indifferent
They bought things a long time ago, but frequently and for a lot of money
They bought things recently and frequently, but not for a lot of money
They bought things recently, frequently AND for a lot of money
A characteristic of a measure
A characteristic of frequency
A type of reporting tool
OLAP reports are more dynamic than RFM reports
OLAP reports are less dynamic than RFM reports
Neither are true
Data miners develop a model prior to the analysis
Analysts DO NOT create a model or hypothesis before running the analysis
Analysts predict values and make classifications
Designed to support fast transaction processing and might need to be reformatted to be useful for BI applications
Examples of operational data are tracking orders, inventories, payables and so forth
They contain patterns, relationships, clusters and other information that can facilitate management
All of the above
Users of data marts need not have the data management expertise that data warehouse employees have
It is a data collection
It addresses a particular component of the business
All of the above
Expert system
Report server
Data mart
RSS reader
They are difficult and expensive to develop/maintain
They are very simple systems
They have been able to live up to the high expectations set by their name
Are very complex
Have a customizable user interface
Allow users to subscribe to alerts
Can only be used by employers
Push
Intelligence
Pull
Expert
Are the most common nonmerchant e-commerce companies
Provide goods and services at a stated price and arrange for the delivery of goods, but they will never take title
Match sellers and buyers, but don't get a commission
Choices I and II
All of the above
Removal
Intermediation
Dismissal
Disintermediation
Is the trading of goods within a nation
Is the delivery of good
Is the buying a selling of goods and services over private and public networks
They do not sell software licenses, instead they provide software as a service (SAAS)
They are the top viewed websites in the world
They have nothing in common