Download JNTUH MCA 4th Sem R17 2022 March-April 844AD Marchapril Data Warehousing And Datamining Question Paper

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Code No: 844AD

R17

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, March/April - 2022

DATA WAREHOUSING AND DATAMINING

Time: 3 Hours

Max.Marks:75

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Answer any five questions

All questions carry equal marks

1. a) Discuss the major issues in data mining.
   b) Differentiate between data warehouse and data mining. [7+8]
2. a) Give a brief summary on classification of data mining systems.
   

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   b) Write short notes on data mining task primitives. [8+7]
3. a) What is data warehouse? Discuss the characteristics of data warehouse.
   
4. Describe the measures of multidimensional data model. [7+8]
5. a) Explain in detail types of OLAP servers and various OLAP operations with examples.
   

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   [15]
6. a) Differentiate between Eager learners and Lazy learners.
   b) Explain classification by back propagation. [7+8]
7. a) Explain about Bayesian classification. Illustrate with an example.
   b) Give a brief summary on support vector machines. [9+6]

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8. a) What is cluster analysis? Explain the various types of data in cluster analysis.
   b) Give a brief summary on categorization of major clustering methods. [7+8]
9. Explain the following:
   a) Mining time-series data.
   b) Spatial data mining [8+7]

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