Technical Reports (CIS)
Document Type
Technical Report
Date of this Version
March 1991
Abstract
In this paper, we will describe a tree generating system called tree-adjoining grammar(TAG)and state some of the recent results about TAGs. The work on TAGS is motivated by linguistic considerations. However, a number of formal results have been established for TAGs, which we believe, would be of interest to researchers in tree grammars and tree automata. After giving a short introduction to TAG, we briefly state these results concerning both the properties of the string sets and tree sets (Section 2). We will also describe the notion of lexicalization of grammars (Section 3) and investigate the relationship of lexicalization to context-free grammars (CFGs) and TAGS (Section 4).
Recommended Citation
Aravind K. Joshi and Yves Schabes, "Tree-Adjoining Grammars and Lexicalized Grammars", . March 1991.
Date Posted: 15 August 2007
Comments
University of Pennsylvania Department of Computer and Information Science, Technical Report No. MS-CIS-91-22.