SCRIPT
Script is a structure that describes a stereotyped sequence of events in a particular context.
2) A script consists of a set of slots.
3) Associated with each slot may be some information about what kind of values it may contain as well as a default value to be used if no other information is available.
The important component of the script.
1)Entry conditions
This conditions must,this condition must be satisfied before the events described in the script have occurred.
2)Result
Conditions that will, in general ,be true after the events described in the script have occurred.
3) Props
Slots representing objects that are involved in the events described in the script .
4) Roles
Slots representing people who are involved in the events described in the script.
5) Track
The specific variation on a more general pattern that is represented by this particular script.
Scenes
The actual sequences of the events that occur.
Advantages of Scripts:
- Ability to predict events.
- A single coherent interpretation may be build up from a collection of observations.
Disadvantages:
- Less general than frames.
- May not be suitable to represent all kinds of knowledge.
Scripts are useful because, in the real world, there are patterns to the occurrence of events.
Script for bank robbery.
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| Fig : Bank Robbing Script |
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