Page 138 - DCAP506_ARTIFICIAL_INTELLIGENCE

Artificial Intelligence

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Task Construct CD representation of the following: Drinking cocktail makes you drunk.

10.1.1 Benefits of CD

 Using these primitives includes fewer inference rules.
 Many inference rules are already displayed in CD structure.
 The holes in the initial structure aid to concentrate on the points still to be recognized.

10.1.2 Limitations of CD

 Knowledge must be converted into quite low level primitives.

 Impossible or hard to locate correct set of primitives.
 A lot of inference may still be needed.
 Representations can be multifaceted even for comparatively simple actions.

Consider

Dave bet Frank five pounds that Wales would win the Rugby World Cup.
Complex representations require a lot of storage.

10.1.3 Applications of CD

MARGIE (Meaning Analysis, Response Generation and Inference on English) — model natural
language understanding.
SAM (Script Applier Mechanism) — Scripts to recognize stories.
PAM (Plan Applier Mechanism) — Scripts to recognize stories.

Schank et al. developed all of the above.

Self Assessment

Fill in the blanks:
1. ......................... initially generated to symbolize knowledge attained from natural language
input.

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