Naoki Yoshinaga, Collaborative
and Corpus-Driven Approaches towards Lexicalized Grammar-based Natural
Language Processing. Ph.D dissertation. University of
Tokyo. March, 2005. 1,547,734 bytes, PDF (183 pages)
This thesis involves an LTAG-to-HPSG conversion
(published as a journal titled `Grammar Conversion from LTAG to
HPSG') and its application to parsing comaprison
(published as a journal titled `Parsing Comparison across Grammar
Formalisms using Strongly Equivalent Grammars') as Part I,
and a filtering method for subcategorization acquisition
(published as a paper titled 'Improving the Accuracy of
Subcategorizations Acquired from Corpora') and a PLSA-based
probabilistic subcategorization lexicon (unpublished) as Part
II. The part related to grammar conversion is further elaborated
through comparison to related research.