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布里斯班代寫assignment

learning outcomes代寫 ASSESSMENT ITEM

1
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.
3
MARKING CRITERIA
Questions Criteria Mark allocated Mark Awarded Question 1
Each value-added is worth 1 mark
Maximum 5 marks
5
Question 2
DWH and DB
3
Benefits of DWH
4
Criteria to choose vendor
3
Question 3
WEKA software tool
(report your understanding)
5
Vote.arff data (report your understanding)
5
Classification results are reported and analysed
5
Summary and conclusion
5
Question 4
Each limitation is worth 1 mark
Maximum 5 marks
5
Question 5
Presentation file
5
Oral (interview) performance
15
Total marks
60
Deduction
Plagiarism, late submission etc.
Final marks

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