MARCH/APRIL 2014 Examination DAM 301

                                                               

                                                                  

                                                                    National Open University of Nigeria

                                                            14-16 Ahmadu Bello Way, Victoria Island Lagos 

                                                                    School of science and Technology

                                                                 MARCH/APRIL 2014 Examination

Corse Code: DAM 301

Course Title: DATA MINING AND DATA WAREHOUSING

TIME: 2HRS

ANSWER ANY FOUR QUESTIONS

1a. List the common types of data preparation methods

b. Explain any 5 types of data/information often collected in digital form and flat files

2a.Explain what is meant by data mining technologies? 

b. explain what is meant by the following data mining terms

i. characterization

ii. Clustering

iii.discrimination

3a. briefly explain any 2 types of data that can be mined 

b.list and define 7 steps involved in knowledge discovery databases(KDD)

4a. explain data description and state 3 documented properties

b.data minning applications play vital roles in banking and finance industries discuss

5a.write short note on data warehouse 

b.write note on any 4 data mining issue

6a.list and explain any 3 characteristics of a data ware house as set forth by William inmon

b. what is a neural nework in a data minning technology

c. itemise the technology or tolls used in data mining  



*********************************************************************************
you can also attend Online Classes,Online Colleges,online tutorials. to be well prepared for exam Goodluck.