Download GTU BE/B.Tech 2019 Summer 8th Sem New 2180713 Web Data Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VIII(NEW) EXAMINATION - SUMMER 2019
Subject Code:2180713 Date:17/05/2019
Subject Name:Web Data Management
Time:10:30 AM TO 01:00 PM Total Marks: 70

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Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

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Q.1 (a) Write a note on XSL. 03
(b) Discuss XLink and XPointer in brief. 04
(c) Explain Web Data Management with XML in detail. 07

Q.2 (a) Write a short note on XML Schema. 03
(b) “An XML document is a labeled, unranked, and ordered tree”. 04

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Explain it.
(c) What is semi structured data? Justify the following statement. 07
“XML document is a semi structured model”.

OR

(c) Explain XML Data Model with example. 07

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Q.3 (a) Write a brief note on Xpath. 03
(b) Compare DTD and XSD. 04
(c) Explain FLOWR expressions with suitable examples. 07

OR

Q.3 (a) Explain advanced features of XQuery. 03

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(b) Describe the following Xpath axes: 04
1. Ancestor 2. Descendent-of-self
3. Preceding 4. Attribute
(c) What is XQuery? Describe doc() and collection() with suitable 07
example.

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Q.4 (a) What is XML typing? 03
(b) Write a note on ontologies. 04
(c) Elaborate web crawling. 07

OR

Q.4 (a) What is bisimulation? 03

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(b) Explain DL-Lite ontologies in detail. 04
(c) Write a note on Query evaluation techniques. 07

Q.5 (a) Write a brief note on OWL. 03
(b) Explain Global-as-view (GAV) and Local-as-view (LAV) 04
mediation.

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(c) What is Distributed System? Discuss failure management in 07
distributed system in brief.

OR

Q.5 (a) What is web graph mining? 03
(b) How do we use Peer-to-peer data management systems in WDM 04?

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(c) Explain following terms with suitable example in distributed 07
system.
1. Reliability 2. Scalability
3. Availability 4. Efficiency

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