What is a top-down parser?

Q & ACategory: Artificial IntelligenceWhat is a top-down parser?
Admin Staff asked 5 years ago

What is a top-down parser?

a) Begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written

b) Begins by hypothesizing a sentence (the symbol S) and successively predicting upper-level constituents until individual preterminal symbols are written

c) Begins by hypothesizing lower-level constituents and successively predicting a sentence (the symbol S)

d) Begins by hypothesizing upper-level constituents and successively predicting a sentence (the symbol S)

1 Answers
Admin Staff answered 5 years ago

a) Begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written