Lexical Heads, Phrase Structure and the Induction of Grammar.
Carl de Marcken · 1995
This paper examines why some previous approaches have failed to acquire desired grammars without supervision, and proposes that with a different conception of phrase-structure supervision might not be necessary. In particular, we examine some reasons why SCFGs are poor models to use for learning human language, especially when combined with the inside-outside algorithm. We argue that head-driven grammatical formalisms like dependency grammars (MelSuk, 1988) or link grammars (Sleator and Temperley, 1991) are better suited to the task