When You Purchase a Book or CD on Amazon

question 79

Multiple Choice

When you purchase a book or CD on Amazon.com,as soon as you put your selection in the shopping cart,you are offered a series of other items that people who made the same purchase as you did also bought. Which pattern of data mining is Amazon.com making use of?

• A)sequence  
• B)association  
• C)predictive  
• D)adjacency

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Definitions:

Instant Messaging

A form of communication over the internet that allows the exchange of text messages in real-time between two or more people.

E-Mail

A digital form of sending messages from one computer user to one or more recipients via a network.

Memos

Short for memoranda, these are brief written messages used within an organization to communicate information or instructions.

Main Idea

The central thought or message of a piece of writing, around which all other information is organized and supports.