Centering: a framework for modeling the local coherence of discourse
Computational Linguistics
A centering approach to pronouns
ACL '87 Proceedings of the 25th annual meeting on Association for Computational Linguistics
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This paper presents the implementation part of my doctoral research at the University of Cambridge. It provides a description of the Information Structure Transfer (IST), a machine translation prototype designed within the framework of the Spoken Language Translator (SLT by SRI, Cambridge/Palo Alto) and based on the Core Language Engine ([1]). The IST includes two discourse-processing modules: the pre-transfer Information Structure Activator (ISA) and the post-transfer Information Structure Generator (ISG). The IST prototype calculates and processes vital features of information structure explored in context of structural differences between positional and nonpositional languages. It offers algorithmic solutions and an implementation framework for local discourse processing in machine translation. Under scrutiny is a web of interrelated factors such as pronominalization, anaphora resolution, zero anaphors, definiteness and constituent order.