UNIVERSITY EXAMINATIONS: 2017/2018 EXAMINATION FOR THE DEGREE OF MASTER OF SCIENCE IN DATA ANALYTICS MDA 5301: LOGIC SENSE MAKING AND BUSINESS INTELLIGENCE DATE: NOVEMBER, 2017 TIME: 2 HOURS INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions. QUESTION ONE Business intelligence and analytics (BIA) is about the development of technologies, systems, practices, and applications to analyze critical business data so as to gain new insights about business and markets. a) How does this compare with the traditional data mining? (2 Marks) b) Big Data analytics has emerged as an interesting area in BIA. What are the key concepts involved? Hadoop is one of the tools that have been used in this area, briefly explain its main components. (6 Marks) c) Explain the following terms as used in Logic: i. Tautology ii. Satisfiability iii. Completeness (3 Marks) d) Use a truth table to test the validity of the following sentence in propositional logic: (2 Marks) f) Knowledge representation is a core concept in knowledge based systems. Describe the following properties that should be possessed by a knowledge representation system. i. Representational adequacy ii. Inferential adequacy iii. Inferential efficiency iv. Acquisition efficiency (4 Marks) QUESTION TWO You are required to come with a Prolog program for an extended family. It stores basic facts about the individuals that are part of the extended family, and some of the basic relationships between individuals in that family. It should also have rules that allow the derivation of new knowledge from the knowledge base. Below is a partial listing for a knowledge base on family relationships. gender (male or female) age (in years) height (in inches, feet, or centimeters) mother’s father; brother’s sister; husband’s wife. You may add other properties that you find relevant or interesting (e.g. weight, hair color, odd habits …). You can also add other relationships such as fiancé, friend, business partner,etc., but it is probably better to keep it simple. Your family should span at least 15 individuals over three or more generations; if necessary, you can add fictional individuals. Each individual must have at least one relationship, and on average each individual must have at least two instantiated properties. (15 Marks) QUESTION THREE a) What is customer analytics about? Detail at least one approach that can be used to achieve the goals of customer segmentation. (7 Marks) b) Simulation methods are considered important in business intelligence. Using a suitable example show why and how simulation can be used in BI. (8 Marks) QUESTION FOUR a) Predictive modelling is a key aspect in business intelligence. Using a suitable illustrative example, explain the key concepts and possible technique that can be used to achieve the same. (7 Marks) b) Text mining is becoming increasingly important in BI. What are the key concepts involved and by using an illustrative example, detail a possible technique that can be used for text mining in a given area of application. (8 Marks)