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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), MAY 2019

Course Code: CS366 Course Name:NATURAL LANGUAGE PROCESSING

Max. Marks: 100 Duration: 3 Hours

تم ~ >

PARTA
Answer all questions, each carries3 marks. Marks
What is meant by Lexicon? How is it useful in NLP? (3)
Differentiate between open class and closed class of words (3)
What are feature structures? How are they represented? (3)
State the difference between hypernymy and hyponymy and give an example of (3)

each.

PART ‏تا‎
‎Answer any two full questions, each carries9 marks.
a) State the advantages of bottom-up chart parser compared to top-down parsing. (3) b)
What are the 2 main classes of tagging algorithms in which they can be grouped (6) into?
Explain each one in detail
a) With a neat diagram describe how a typical NLP system is organised? (5) b) Define
Phonology. Illustrate the purpose of International Phonetic Alphabet in (4) NLP.

Derive a top-down, depth-first, left-to-right parse tree for the given sentence: (9)
٠ The angry bear chased the frightened little squirrel Use

the following grammar rules to create the parse tree:

Det @ the
Adj@ little | angry | frightened

NP @ Det Nom
VP @V NP
Nom @Adj Nom|N

ട്‌ ಈ squirrel | bear
V @chased

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