7 research outputs found
The Importance of Category Labels in Grammar Induction with Child-directed Utterances
Recent progress in grammar induction has shown that grammar induction is
possible without explicit assumptions of language-specific knowledge. However,
evaluation of induced grammars usually has ignored phrasal labels, an essential
part of a grammar. Experiments in this work using a labeled evaluation metric,
RH, show that linguistically motivated predictions about grammar sparsity and
use of categories can only be revealed through labeled evaluation. Furthermore,
depth-bounding as an implementation of human memory constraints in grammar
inducers is still effective with labeled evaluation on multilingual transcribed
child-directed utterances.Comment: The 16th International Conference on Parsing Technologies (IWPT 2020