Exam 10: Decision Support and Expert Systems

____ are an excellent tool for building both the data and the models that decision support systems need,and therefore they make excellent tools for building decision support software.

A ____ is one that is automatically adjusted based on changing relationships among variables.

Neural nets have been very effective in detecting fraud of many types.

Many government agencies offer decision support systems on the Web.

How do DSSs help in Web site planning and adjustment?

In airlines,the purpose of ____________________ DSSs is to find the proper pricing to maximize the overall revenue from selling seats for each flight.

An increasing amount of ____ in the financial services and many other industries are made automatically and in real time.

A DSS might use a database created specially for that system,but DSSs are usually linked to databases used for other purposes as well,such as purchasing,shipping,billing,and other daily transactions.

Neural nets allow employees to bring up thousands of maps from a central repository on their own PCs.

It is not always possible to exploit expertise by coupling quantitative data from a database with decision models,so in such cases,an ____ might be required.

Some companies offer ____ specifically designed to analyze shoppers' behavior at their sites based on captured data such as pages viewed,options clicked,and the sequence of pages shoppers view.

An ES uses a(n)____________________,which is a collection of facts and the relationships among them.

You can use a DSS to perform ____________________ analyses on multiple parameters at the same time.

A fixed variable model constantly changes.

The terms "decision support systems" and "expert systems" are mentioned more and more frequently in recent years.

Medical ____ help diagnose patients and suggest treatments.

How do DSSs help in tax planning?

As an increasing number of DSSs are available for use through the Internet,some ____ are especially designed to be compatible with Web browsers.

A private business might develop a linear regression model to estimate future sales based on past experience.

A GIS might be used to help a housing developer determine where to invest by tracking and displaying population changes on a map,highlighting in color increases of more than 10 percent over the past 3 years.