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Parsing with Structure-Preserving Categorial Grammars

By M. Capelletti


This book is a study of the logical and computational properties of structure-preserving categorial grammars. The first part of the book presents chart-parsers for non-associative categorial grammars in the style of Ajdukiewicz and Bar-Hillel. These are proposed in Chapter 3 as deductive parsers, that is as deductive systems which take advantage of the linear order of the syntactic categories. In Chapter 4 they are formulated as polynomial parsing algorithms. An important aspect is the formulation of efficient methods for handling product formulas in the parsing process. The second part of the book deals with Lambek style categorial grammars. A simple and elegant method for automatic recognition is formulated in Chapter 5 and its syntactic and semantic properties are explored in the subsequent chapters. A surprising result is the connection between the number of semantic readings of a sequent and the binomial coefficient discussed in Chapter 6. The results of polynomiality in Chapter 7 are grounded on explicit algorithms which generalize and improve previous results. The parsing techniques presented in this book are among the first complete applications of chart-parsing methods to logical grammars and lay the ground for a new approach to parsing with type-logical grammars

Topics: Letteren, parsing, Lambek calculus, non-associativity, categorial grammar
Year: 2007
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