HRM 3450 Chapter Notes - Chapter 15: Component-Based Software Engineering
5 May 2018
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HRM 3450 Chapter 15 Notes – Summary
Introduction
• The system must be able to troll the Internet systematically and thoroughly to retrieve
data and to organize the data in such a way as to make it readily available for response
to user requests.
• There must be a processing mechanism to establish a ranking of the results to a request.
• The system must respond to requests with reliability as near to 100 percent as is
technically possible.
• Individual hardware and software component failures within the system must not affect
system performance adversely.
• The system must be easily scalable to handle ever-increasing numbers of requests and
must be cost effective.
• At the application level, the requirements identify three specific processing tasks that
the system must fulfill
• The system must accept search requests from users, identify and rank matches, create
aWeb page, and serve it to the user.
• The system must collect data—lots of data!
• This task rals the We, idetifies the searh ters eery significant word) on every
Web page it encounters, and maintains an index database connecting each term to the
corresponding page.
• It likewise stores every Web page in a Web page database and assigns a ranking value to
each entry.
• The system must manage advertisements, identify appropriate advertisements in
response to user search requests, and make the advertisements available to the Web
page creation application mentioned in 1.
• For this discussion we will focus on the processing of search requests.
• The data in such a way as to make it readily available for response to user requests.
• There must be a processing mechanism to establish a ranking of the results to a request.
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