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SQL, Oracle,Access Assignment

IT作業BA 221 Access Project SPR13 assignment 代寫案例

ASSESSMENT ITEM 2—WRITTEN AND PRESENTATION
ASSIGNMENT
Due date:
Week 12
ASSESSMENT
Weighting:
60%
2
Length:
Less than 5MB
OBJECTIVES
This assessment item related to course learning outcomes 3, 4 and 5.
QUESTION 1 (5 MARKS)
Identify and discuss value-added features developed by major e-commerce sites that may be
based on Web usage mining (in less than 300 words).
QUESTION 2 (10 MARKS)
How is a data warehouse different from a database? What are the major benefits for end users
to use the data warehouse? If you are given a task to select a data warehouse vendor for the
company, what criteria will you take into consideration for the task (in less than 500 words)?
QUESTION 3 (20 MARKS)
Read the resource material available on the course website about WEKA (in Week 5 and
Week 6). Download WEKA software and install it onto your computer (ensure the bundled
Java Runtime Environment, i.e. jre is installed). After successful installation of the program,
classify Votes from the data vote.arff using J48 classifier (keep other parameters as default).
Write an analysis report based on the classification results. You need to include the classifier
output in your report.
2
Hints:
1. The vote.arff file is available in the data folder of your WEKA directory.
Alternatively, you can find this file from the course website.
2. To read the text file vote.arff, you need to use a text editor. Both TextPad or Notepad
should suffice.
3. To classify data in WEKA, use “Open file”, than select “Classify” ? “Classifier
(Choose)” ? “trees” ?“J48”.
QUESTION 4 (5 MARKS)
List and describe five limitations of expert systems.
ORAL PRESENTATION (20 MARKS)
Choose one topic from all the topics covered in the course, present the topic in your
tutorials/labs class. Students are required to develop PowerPoint Slides for your presentation.
The maximum number of slides is limited to 15.
For off campus students and those who have valid reasons for not being able to attend the
oral presentation, each student will face an interview at the end of the term, most likely in
Week 12 or Week 13. The course coordinator or his/her representative will contact you about
the details. The interview will take 10 minutes approximately.
SUBMISSION REQUIREMENT
? Submit two (2) files electronically via the course website.
o A .doc, or .docx or .rtf file that contains your response to the questions 1 to 4.
o A .ppt or .pptx or .pdf file that contains your oral presentation.
? Make sure that the first page of your document is a title page that clearly shows your
name, student number, the course name and assignment name.

tag:
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