2010 | OriginalPaper | Buchkapitel
Introduction
verfasst von : PD Dr. Laura Kallmeyer
Erschienen in: Parsing Beyond Context-Free Grammars
Verlag: Springer Berlin Heidelberg
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Since the 1980s it has been known that context-free grammars (CFGs) are not powerful enough to describe all phenomena we encounter in natural languages. Examples that show the limitation of CFGs are cross-serial dependencies in Dutch, as in (1), and in Swiss German (Shieber, 1985; Bresnan et al., 1982) and so-called unbounded scrambling phenomena (Becker, Rambow, and Niv, 1992; Rambow, 1994) in, for instance, German and Korean. A German scrambling example is given in (2).