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Figure 13.1: A blocks world, adapted from Winograd (1972).

Figure 13.1: A blocks world, adapted from Winograd (1972). To manage this complexity, linguists have defined different levels of analysis for natural language:. Figure 13.2: Stages in producing an internal representation of a sentence.

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Figure 13.1: A blocks world, adapted from Winograd (1972).

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  1. Figure 13.1: A blocks world, adapted from Winograd (1972).

  2. To manage this complexity, linguists have defined different levels of analysis for natural language:

  3. Figure 13.2: Stages in producing an internal representation of a sentence.

  4. Figure 13.3: A blocks world, adapted from Winograd (1972).

  5. Figure 13.4:Transition network definition of a simple English grammar.

  6. Pseudo-code for a transition network parser appears on the following two slides. It is defined using two mutually recursive functions, parse and transition. (continued on next slide)

  7. (continued from previous slide)

  8. Figure 13.5: Trace of a transition network parse of the sentence “Dog bites.”

  9. Figure 13.6: Structures representing the sentence, noun phrase, and verb phrase nonterminals of the grammar.

  10. Figure 13.7: Dictionary entries for a simple ATN.

  11. Figure 13.8: An ATN grammar that checks number agreement and builds a parse tree. (continued on next slide)

  12. Figure 13.8: An ATN grammar that checks number agreement and builds a parse tree. (continued from previous slide)

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