Natural Language Processing Ch3. Parsing with PSG
Natural Language Processing Ch3. Parsing with PSG
Natural Language Processing Ch3. Parsing with PSG
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PP à Prep NP . [8,10] Completer<br />
Nom à Nom PP. [3,10] Completer<br />
NP à Det Nom. [2,10] Completer<br />
VP à V NP [1,10] Completer<br />
S à NP VP. [0,10] Completer<br />
The chart:<br />
[Success !]<br />
SàNP VP.<br />
VPàV NP.<br />
NPàDet Nom.<br />
NomàNom PP.<br />
NomàNom PP.<br />
NomàNom PP.<br />
PPàP NP. PPàP NP. PPàP PrN.<br />
NPàPron. NomàN. NPàPrN. NPàNrP. NPàNrP.<br />
Pronàit. Vàis. Detàa. Nàflight Pàfrom. PrNàBeijing. Pàto. PrNàSeoul.Pàon. PrNàASI<br />
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0 1 2 3 4 5 6 7 8 9 10<br />
Fig. 15<br />
In this parsing process, there is not backtracking as in the top-down parsing. The advantage of<br />
Early algorithm is obvious.
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