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Extended discourse representation structures in attempto controlled English


Fuchs, N E; Hoefler, S; Kaljurand, K; Schneider, G; Schwertel, U (2005). Extended discourse representation structures in attempto controlled English. ifi Technical Reports ifi-2005.8, University of Zurich.

Abstract

This technical report describes the extended discourse representation structures (DRS) derived from texts written in version 4 of Attempto Controlled English (ACE 4). The need to extend the standard DRS representation arose from the two requirements to adequately represent plural nouns introduced into ACE 4, and to perform logical deductions on ACE texts. An extended representation structure contains both the original ACE 4 text and its translation into a discourse representation structure – a closed logical formula using a syntactical variant of the language of first-order logic. The discourse representation structure itself uses a reified, or ‘flat’ notation, meaning that its atomic conditions are built from a small number of predefined predicates that take constants standing for words of the ACE text as their arguments. Furthermore, each logical atom gets an index relating it to the sentence of the ACE text from which it was derived.

This technical report describes the extended discourse representation structures (DRS) derived from texts written in version 4 of Attempto Controlled English (ACE 4). The need to extend the standard DRS representation arose from the two requirements to adequately represent plural nouns introduced into ACE 4, and to perform logical deductions on ACE texts. An extended representation structure contains both the original ACE 4 text and its translation into a discourse representation structure – a closed logical formula using a syntactical variant of the language of first-order logic. The discourse representation structure itself uses a reified, or ‘flat’ notation, meaning that its atomic conditions are built from a small number of predefined predicates that take constants standing for words of the ACE text as their arguments. Furthermore, each logical atom gets an index relating it to the sentence of the ACE text from which it was derived.

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Additional indexing

Item Type:Working Paper
Communities & Collections:06 Faculty of Arts > Institute of Computational Linguistics
Dewey Decimal Classification:000 Computer science, knowledge & systems
410 Linguistics
Language:English
Date:2005
Deposited On:14 Aug 2012 07:30
Last Modified:05 Apr 2016 15:47
Series Name:ifi Technical Reports
Number of Pages:58
Official URL:http://attempto.ifi.uzh.ch/site/pubs/papers/drs_report.pdf
Related URLs:http://www.ifi.uzh.ch/research/publications.html
http://www.zora.uzh.ch/62057/
Permanent URL: https://doi.org/10.5167/uzh-62056

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