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Artificial Intelligence
Notes The objectives of this theory are:
To aid in the sketching of inference from sentences.
To be autonomous of the words utilized in the original input.
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Caution For any 2 (or more) sentences that are equal in meaning there should be only one
depiction of that meaning.
It has been utilized by many programs that indicate to recognize English (MARGIE, SAM, PAM).
CD developed by Schank et al..
CD offers:
a structure into which nodes displaying information can be positioned
a particular set of primitives
at a specified level of granularity.
Sentences are displayed as a series of diagrams portraying actions by means of both abstract and
real physical situations.
The agent and the objects are displayed
The actions are constructed from a set of primitive acts which can be customized by tense.
Notes Conceptual dependency theory was dependent on two suppositions:
1. If two sentences have the similar meaning, they should be displayed the same,
irrespective of the specific words used.
2. Information unreservedly specified in the sentence should be displayed overtly.
That is, any information which can be inferred from what is overtly specified should
be involved in the representation.
Example: Primitive Acts are:
ATRANS
— Transfer of an intangible relationship. E.g. give.
PTRANS
— Transfer of the physical position of an object. E.g. go.
PROPEL
— Application of a physical force to an object. E.g. push.
MTRANS
— Transfer of mental information. E.g. tell.
MBUILD
— Build new information from old. E.g. decide.
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