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A 05RLMCA301052003

Reg No. TCALA MC Aa Name: Molraved Falarr: cP

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY कि
Fifth Semester MCA (Regular Supplementary) Examinations, December 202

Course Code: 1,1

Course Name: WEB DATA MINING

Max, Marks: 60 Duration: 3 Hours

PART A
Answer all questions, each carries3 marks. 110115
‏کر‎ Whatis Web Mining? (3)
Zz Explain Precision and Recall with an example. (3)
3 Explain single-link hierarchical clustering method. (3)
4 Explain K-means Algorithm. (3)
‏کر‎ Explain Boolean model for Information Retrieval (IR) System. (3)
‏کے‎ What are the various web page pre-processing tasks? (3)
v What is a Web Crawler? Give any —— ್‌ applications of web crawler? (3)
ப்ரீ Explain Recommender Systems and 'itsuses7 ‏جِہببتسے-‎ ॐ
PART ए |
Answer six questions, one full question from each module and carries 6 marks.
Module I
9 Explain Apriori Algorithm for frequent itemset generation? (6)
OR
10 ‘The Web has many unique characteristics, which make mining useful (6)
information and knowledge a fascinating and challenging task.’ Explain the
unique characteristics of web.
Module II
11 Explain Hierarchical Clustering (6)
OR
12 Explain Support Vector Machine. (6)
Module 111
യി Explain the gencral IR system architecture with a neat diagram, (6)
OR
ண்‌. What are different forms of user queries in an IR system? (6)

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