a) is a representation mechanism that reflects domain structure b) is a boundary drawn for a unary predicate in a semantic net c) is a precursor to class and object in object-oriented programming d) is an electronic case for storing a photo e) is a mechanism for aggregation of information into a data structure
a) to understand natural language stories b) to apply planning knowledge to generate a plan in a situation c) to work with relations between goals and plans of an actor d) to work with relations between goals and actions of an actor e) to work with relations between plans and actions of an actor
AI Knowledge Representation And Reasoning Week 11 Answer
4. The program PAM __________ .
a) does only top-down reasoning b) does only bottom-up reasoning c) alternates between the two till a match for the input happens d) may hypothesize (assume) goals that an agent may have but are not stated
5. Which of the following are true for bottom-up reasoning in PAM?
a) A plan is explained by a goal. b) A goal is explained by a plan. c) A goal is explained by an action. d) An action is explained by a goal. e) A plan is explained by an action. f) An action is explained by a plan.
6. Which of the following are true for top-down reasoning in PAM?
a) A plan predicts a goal. b) A goal predicts a plan. c) A goal predicts an action. d) An action predicts a goal. e) A plan predicts an action. f) An action predicts a plan.
a) when one goal precludes another goal of the same actor b) when one goal precludes another goal of a different actor c) a planner creates a plan to solve a goal that recurs very often d) when a goal is more general than another goal
a) when one goal facilitates another goal of the same actor b) when one goal facilitates another goal of a different actor c) when two goals of an actor are conflicting d) when a goal is more general than another goal
AI Knowledge Representation And Reasoning Week 11 Answer
9. When PAM hears about an action in the story that was not a prediction, it tries to find out if __________ .
a) the action was arbitrary and not related to the story b) the action was a part of a known plan of the actor c) the action was part of a plan for a known goal of the actor d) the action was instigated by another actor
10. In the terminology used by PAM, a GAP is __________ .
a) part of the story that is missing b) the distance between an action and a distant goal c) an empty slot in the CD representation that needs to be filled d) a generalized application planner
a) is used to determine the class label of a new input b) uses the subsumes relation to construct a taxonomy c) is used to distinguish plans from goals d) is used to distinguish actions from plans
a) there is a relation expressed between a class and a subclass b) reified elements are composed from simpler elements c) one implements a part-of relation between entities d) two elements are related by the IS-A or INSTANCE-OF relation
13. Inheritance is said to be strict if __________ .
a) an entity can inherit something only from one ancestor b) an entity can override an inherited value c) an entity cannot override an inherited value d) every value has to be inherited from some ancestor
AI Knowledge Representation And Reasoning Week 11 Answer
15. An inheritance hierarchy with a conclusion node C w.r.t. a node “A” __________ .
a) can have the conclusion “A is a C.” b) can have the conclusion “A is not C.” c) can have both the conclusions “A is a C.” and “A is not a C.” d) cannot have both the conclusions “A is a C.” and “A is not a C.” e) cannot have an admissible positive path and an admissible negative path from A to C.
16. A credulous extension of a (possibly ambiguous) inheritance hierarchy with respect to a node “A” __________ .
a) is a subgraph of the inheritance hierarchy b) extends the hierarchy to its transitive closure c) has a path from A to every node in the extension d) does not support both a conclusion C and the conclusion ¬C e) can support both a conclusion C and the conclusion ¬C f) can be extended to a larger subgraph of the hierarchy which is a credulous extension
