A Descriptive Approach to Language-Theoretic Complexity (Center for the Study of Language and Inform

A Descriptive Approach to Language-Theoretic Complexity (Center for the Study of Language and Inform pdf epub mobi txt 电子书 下载 2025

出版者:Center for the Study of Language and Inf
作者:James Rogers
出品人:
页数:0
译者:
出版时间:1998-06-01
价格:USD 27.00
装帧:Paperback
isbn号码:9781575861364
丛书系列:
图书标签:
  • Linguistic 
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Early formal specifications of natural language syntax were quite closely connected to the notion of abstract machines for computing them. More recently, this approach has been superseded by one in which languages are specified in terms of systems of constraints on the structure of their sentences. This has made complexity results difficult to obtain. This book introduces a way of obtaining such results. It presents a natural and quite general means of expressing constraints on the structure of trees and shows that the languages that can be specified by systems of such constraints are exactly those computable by a particular standard class of abstract machines. Thus the difficulty of processing a construction can be reduced to the difficulty of expressing the constraints that specify it.

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