This download link is referred from the post: JNTUH MCA 4th Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
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Code No: 814BD R13
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA 1V Semester Examinations, January - 2018
DATA WAREHOUSING AND DATA MINING
Time: 3 Hours Max. Marks: 60
Note: This question paper contains two parts A and B.
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Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.PART - A
5 x 4 Marks =20
- Discuss the data smoothing techniques.
- Discuss the OLAP query processing.
- Discuss constraint-based Association mining.
- How does tree pruning work?
- Why wavelet transformation useful for clustering?
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PART -B
5 x 8 Marks = 40
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- a) Write the syntax for the following data mining primitives:
a) The kind of knowledge to be mined.
b) Measures of pattern interestingness. [4+4]
OR
b) Briefly discuss the data mining functionalities. - Briefly discuss the major issues in data mining regarding performance and diverse database types. [4+4]
OR - a) Justify the role of data cube aggregation in data reduction process with an example.
b) Differentiate operational database systems and data warehousing. [4+4]
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a) What is data warehousing? Give their applications.
b) Briefly discuss data warehouse architecture. [4+4] - a) Compare and contrast Apriori algorithm with frequent pattern growth algorithm. Consider a data set apply both algorithms and explain the results. [8]
OR
b) Explain how concept hierarchies are used in mining multilevel association rule?--- Content provided by FirstRanker.com ---
Give the classification of association rules in detail. [4+4] - a) Discuss the five criteria for the evaluation of classification and prediction methods.
b) Explain how rules can be extracted from training neural networks. [4+4]
OR
a) Explain the hold out method for estimating classifier accuracy.--- Content provided by FirstRanker.com ---
b) Discuss Fuzzy set approach for classification. [4+4] - a) Write k-Means and k-Medoids algorithms.
b) Explain COBWEB model. [4+4]
OR
a) Explain about Statistical-based outlier detection and Deviation-based outlier detection.--- Content provided by FirstRanker.com ---
b) Given two objects represented by the tuples(22,1,42,10) and(20,0,36,8)
i) Compute the Manhatten distance between the two objects.
ii) Compute the Euchidean distance between the two objects. [4+4]
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This download link is referred from the post: JNTUH MCA 4th Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university