October/November 2013 Examination DAM 301

                                                                  

                                                                  National Open University of Nigeria

                                                            14-16 Ahmadu Bello Way, Victoria Island Lagos 

                                                                    School of science and Technology

                                                                 October/November 2013 Examination

Corse Code: DAM 301

Course Title: DATA MINING AND DATA WAREHOUSING

TIME: 2HRS

ANSWER ANY FOUR QUESTIONS    

          

1a. Write short note on any 3 data mining issue

b.Discuss any four challenges that likely to face by the data mining practitioners

2a.itemise any 10 technologies or tools used in data mining 

b.what is neutral network in a data mining technology 

3a.Explain with the aid of diagram what is meant by dicision tree 

b.List the 3 common types of data preparation methods

4a.Expalin “why Data processing”

b.write short note on multimedia data mining 

5a.itemize data mining trends in terms of technologies which are presently being develop and research

b.write short note on any 4 constaint based data mining

6a. write short note on multifactor dimensionality reduction

b.differentiate between relational database and data ware house

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