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DAM 301 DATA MINING AND DATA WAREHOUSING
TIME ALLOWED: 3 HOURS
INSTRUCTION: ANSWER ANY FIVE QUESTIONS IN ALL
1a. Describe Data mining. [5 marks]
1b. List and define all the steps involved in Knowledge Discovery Databases (KDD) process. [7 marks]
1c. Briefly explain the scope of data mining under the following headings:
i. Automated prediction of trends and behaviours. [4 marks]
ii. Automated discovery of previously unknown patterns. [4 marks]
2a. Explain any 5 types of data/information often collected in digital form in databases and flat files. [10 marks]
2b Describe the following data mining terms?
i. Characterization. [2 marks]
ii. Clustering. [2 marks]
iii. Discrimination. [2 marks]
2c. Briefly explain any 2 types of data that can be mined. [4 marks]
3a. Write short note on any three (3) classifications of data mining systems. [6 marks]
3b. Write notes on any three (3) data mining issue. [6 marks]
3c Discuss any four (4) challenges that may likely face by the data `mining practitioners. [8 marks]
4a. Itemise ten (10) technologies or tools used in data mining. [5 marks]
4b. what is a Neural Network in a data mining technology? [4 marks]
4c. Explain with the aid of diagram what is meant by Decision tree. [11 marks]
5a. Highlight the three (3) common types of data preparation methods. [6 marks]
5b. Describe “why Data Pre-processing”? [6 marks]
5c. Data Mining Applications has a role to play in effective performance of Healthcare industries. Discuss. [8 marks]
6a. Data Mining Applications play some vital roles in Banking and Finance industries. Discuss.
6b. Define Data Description and highlight sixteen (16) properties that are documented in a typical Data Description Report. [8 marks]
6c. Explain what is meant by Data Mining Technologies. [4 marks]
7a. Write short note on Multimedia Data Mining. [6 marks]
7d. List and describe the characteristics of a data warehouse as set forth by William Inmon. [10 marks]
7c. Define a data warehouse. [4 marks]
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You can now use you matric number to login as your username and password in a lowercase.
https://elearn.nouedu2.net/login/
Note that you are to change your passw...
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