Exam 8: E-Commerce and Web 2.0

__________ 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.

Which of the following is an assumption about information systems that Ackoff talked about?

__________ systems integrate data from a variety of sources,process that data,and produce and deliver formatted reports to users.

With cluster analysis,analysts do not create a model or hypothesis before running the analysis.

___________systems process data using sophisticated statistical techniques like regression analysis and decision tree analysis.

A reporting system is designed to provide the right information,to the right user,at the right time.

If you need to identify groups of entities that have similar characteristics,you need to perform (a)

What are the three assumptions mentioned in Ackoff's paper?

___________ is a statistical technique that identify groups of entities that have similar characteristics.

Systems that focus on making data collected in OLTP useful for decision making are often referred to as __________ .

__________analysis is the most common kind of supervised data -mining technique.

The data resource challenge refers to the lack of data to support decision making.

Systems that focus on making data collected in OLTP useful for decision making are often referred to as knowledge management systems.

Some data -mining tools like decision trees are good at helping users make sense out of vast quantities of data by simplifying the relationships being studied.Is it possible that sometimes these tools can generate results that oversimplify reality? How can we protect against this?

If you are collecting data electronically and processing the transaction online,then you are using (a) __________ .

A value of 999 -000 -0000 for a Canadian phone number is an example of

__________ is the application of statistical techniques to find patterns and relationships among data and to classify data predict.

___________integrate data from multiple sources,and they process those data by sorting, grouping,summing,averaging,and comparing.

BI systems for reporting focus mainly on __________ .

A(n)___________ is an information system that provides information for improving decision making.