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Big Data Analytics Question Paper - Dec 17 - Computer Engineering (Semester 8) - Mumbai University (MU)
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Big Data Analytics - Dec 17
Computer Engineering (Semester 8)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Q.1
(a)
Describe any five characteristics of Big Data.
(5 marks)
00
(b)
Describe the structure of HDFS in a Hadoop ecosystem using a diagram.
(5 marks)
00
(c)
Define Social networks and Social Network Mining.
(5 marks)
00
(d)
Explain Hamming distance measure with an example.
(5 marks)
00
Q.2
(a)
Describe characteristics of a NoSQL database.
(10 marks)
00
(b)
Explain concept of Map Reduce using an example. Write Map Reduce pseudocode for "Group By" "aggregation” in a database.
(10 marks)
00
Q.3
(a)
Why is finding similar items important in Big Data? Illustrate using two example applications.
(10 marks)
00
(b)
Explain the concept of a Bloom Filter using an example.
(10 marks)
00
Q.4
(a)
Explain any one algorithm to count number of distinct elements in a Data stream.
(10 marks)
00
(b)
Draw the diagram showing the structure of the World Wide Web and explain the different parts.
(10 marks)
00
Q.5
(a)
What are Recommendation Systems? Clearly explain two applications for Recommendation Systems.
(10 marks)
00
(b)
Explain in detail any one Ranking algorithm used by Search Engines.
(10 marks)
00
Q.6
(a)
Explain with diagrams the Park Chen Yu (PCY) algorithm for frequent itemset mining.
(10 marks)
00
(b)
What is a “Community" in a Social Network Graph? Explain any one algorithm for finding communities in a Social Graph.
(10 marks)
00
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