In a backward chaining system, you start with some hypothesis (or goal) you are trying to prove, and keep looking for rules that would allow you to conclude that hypothesis, perhaps setting new sub-goals to prove as you go.
a) True
b) False
Forward chaining systems are…… where-as backward chaining systems are………
a) Goal-driven, goal-driven
b) Goal-driven, data-driven
c) Data-driven, goal-driven
d) Data-driven, data-driven
A Horn clause is a clause with……….. positive literal.
a) At least one
b) At most one
c) None
d) All
Explanation: Refer to the definition of Horn Clauses.
……….trees can be used to infer in Horn clause systems.
a) Min/Max Tree
b) And/Or Trees
c) Minimum Spanning Trees
d) Binary Search Trees
Explanation: Take the analogy using min/max trees in game theory.
An expert system is a computer program that contains some of the subject-specific knowledge of one or more human experts.
a) True
b) False
A knowledge engineer has the job of
extracting knowledge from an expert and building the expert system knowledge
base.
a) True
b) False
