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 | | To simplify the presentation of this example, the grammar uses a single role, the governor role, which is denoted as G in the constraint network in Figure 6. |
 | | In useful grammars, we would also include several needs roles (e.g, need1, need2) to make certain that a head word has all of the constituents it needs to be complete (e.g., a singular count noun needs a determiner to be a complete noun phrase). |
 | | To determine whether the sentence, The dog eats, is generated by the grammar, the CDG parser must be able to assign at least one role value to each of the n * p roles that satisfies the grammar constraints (n=3 is sentence length, and p=1 is the number of roles). |
| cs.washington.edu /research/jair/volume5/helzerman96a-html/node5.html (1184 words) |
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