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Artificial Intelligence and Soft Computing: Behavioral ... - Arteimi.info

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For building dependency structures, we also require 4 primitive conceptual<br />

categories.<br />

Conceptual categories:<br />

Conceptual categories Meaning<br />

ACTs Actions<br />

PPs Picture<br />

PAs Picture aiders<br />

AAs Action aiders<br />

Schank defined a set of conceptual tenses also, as presented below [9].<br />

Conceptual Tenses Meaning<br />

p past<br />

f future<br />

t transition<br />

ts<br />

tf<br />

start transition<br />

finish transition<br />

k continuing<br />

? interrogative<br />

/ negative<br />

nil present<br />

c conditional<br />

delta timeless<br />

Schank listed 14 typical dependencies, the details of which are<br />

explained in [9]. We here illustrate a few to make the readers aware of the<br />

concept.<br />

In the dependencies, presented below, ‘o’ st<strong>and</strong>s for object. The rest of<br />

the notations in the above dependencies being obvious are not discussed<br />

further.<br />

Like any representations CDs too have merits <strong>and</strong> demerits from the<br />

point of view of reasoning. The following points support knowledge<br />

representation by CD [9].

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