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

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2022 March-April 844AD Marchapril Data Warehousing And Datamining Previous Question Paper

R17

Code No: 844AD













JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, March/April - 2022

DATA WAREHOUSING AND DATAMINING

Time: 3 Hours















Max.Marks:75

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.





b)

Write short notes on data mining task primitives.









[8+7]



3.a)

What is data warehouse? Discuss the characteristics of data warehouse.





b)

Describe the measures of multidimensional data model.







[7+8]



4.

Explain in detail types of OLAP servers and various OLAP operations with examples.

























[15]


5.a)

Differentiate between Eager learners and Lazy learners.









b)

Explain classification by back propagation.









[7+8]



6.a)

Explain about Bayesian classification. Illustrate with an example.







b)

Give a brief summary on support vector machines.







[9+6]


7.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]


8.

Explain the following:



a) Mining time-series data.



















b) Spatial data mining















[8+7]





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