SCBDF0005 - B.Sc. HONOURS DEGREE EXAMINATION

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UNIVERSITY COLLEGE DUBLIN


NATIONAL UNIVERSITY OF IRELAND, DUBLIN


An Colaiste Ollscoile Baile Atha Cliath

Ollscoil na hEireann, Baile Atha Cliath

___________________________________

SUMMER EXAMINATIONS 2001

___________________________________


SCBDF0005
-

B.Sc. HONOURS DEGREE EXAMINATION



COMPUTER SCIENCE



COMP 4013: Language Engineering



Prof. J. Hughes

Prof. M. Keane

Dr. J. Berndsen*


Answer any
two

questions. All questions carry equal marks.


Time allowed: 1 hour 45 minutes



1.

DATR is representation
language specifically designed for lexical entries and generalisation
hierarchies over these entries.

Write a DATR theory for the following nouns:
car, cat, child,
house, mouse, sheep
. Give examples of queries and extensional statements, showing the how
inheritance is used.





2.

“Corpus
-
based technologies are becoming more and more popular in the area of human language
technologies.”
Using the text of THIS exam paper, discuss the main requirements and procedures
etc. associated with this type of approach
. Your answer should include a lexicon and a discussion
of the factors which influence the determination of sentence boundaries.






-

1
-





p.t.o.



3.

Two
-
level Morphology is a computational model of morphology which uses finite state
tec
hniques. The following is a rule of two
-
level morphology as given in Ritchie et al. Discuss with
examples, the application of this rule in the model.


+:e






{ < s:s h:h > S:S y:i}
---

s:s



or


< c:c h:h >
---

s:s



or


< =:C { =:o =:u } >
---


s:s




4.

Human Language Technology is a generic term for natural language processing and speech
technology. Discuss this statement with specific reference to the components and technologies
which could be incorporated into a multilingual information system
.


































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