Punjab Technical University 2005 B.Tech Information Technology EXPERT SYTEMS (New) IT - Question Paper

EXPERT SYTEMS (New) IT 312-A B Tech sixth Sem May 2k5
Max Marks 60
Note: part A is compulsory. Attempt any 4 ques. every carrying five marks from part B and any 2 every carrying 10 marks from part C.

part A (10 x two = 20)
1.

1. What do you mean by inferencing?
2. describe natural language processing.
3. describe an expert system.
4. List 4 major potential users of expert systems.
5. describe knowledge engineering.
6. What is the difference ranging from documented and undocumented knowledge?
7. List major difficulties of knowledge acquisition from multiple users.
8. List major knowledge representation methods.
9. elaborate basic parts of a production rule?
10. describe backward chaining and contrast it with forward chaining.

part B (4 x five = 20)

2. What type of mistakes might ES make and why? Why is it easier to accurate mistakes in ES than conventional programs?

3. describe and contrast shallow knowledge and deep knowledge.

4. provide an example that illustrates the difference ranging from propositional logic and predicate calculus.

5. give an example that indicates how a semantic network can depict inheritance.

6. define how improper reasoning is performed using fuzzy rules.

part C (2 x 10 = 20)

1. define the major tasks performed by knowledge engineers. elaborate the major advantages of acquiring knowledge through a knowledge engineer? Knowledge engineers are compared to system analysts, why?

8. (a) Construct a semantic network for the subsequent situation: Mini is a robin; it lives in a nest, which is on a pine tree in Ms. Wang’s backyard. Robins are birds; They can fly and they have wings. They are an endangered species and they are protected by Government regulations.
(b) explain briefly the features of MYCIN.

9. (a) elaborate Scripts? Prepare a script about shopping in a supermarket.
(b) Compare and contrast neural computing with conventional computing.

Earning:   Approval pending.