7.1150, FYI: A tool for computational semantics

The Linguist List linguist at tam2000.tamu.edu
Thu Aug 15 00:55:44 UTC 1996


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LINGUIST List:  Vol-7-1150. Wed Aug 14 1996. ISSN: 1068-4875. Lines:  172
 
Subject: 7.1150, FYI: A tool for computational semantics
 
Moderators: Anthony Rodrigues Aristar: Texas A&M U. <aristar at tam2000.tamu.edu>
            Helen Dry: Eastern Michigan U. <hdry at emunix.emich.edu> (On Leave)
            T. Daniel Seely: Eastern Michigan U. <dseely at emunix.emich.edu>
 
Associate Editor:  Ljuba Veselinova <lveselin at emunix.emich.edu>
Assistant Editors: Ron Reck <rreck at emunix.emich.edu>
                   Ann Dizdar <dizdar at tam2000.tamu.edu>
                   Annemarie Valdez <avaldez at emunix.emich.edu>
 
Software development: John H. Remmers <remmers at emunix.emich.edu>
 
Editor for this issue: lveselin at emunix.emich.edu (Ljuba Veselinova)
 
---------------------------------Directory-----------------------------------
1)
Date:  Tue, 13 Aug 1996 14:40:32 +0200
From:  maier at CoLi.Uni-SB.DE (Holger Maier)
Subject:  CLEARS - educational and research tool for computational semantics
 
---------------------------------Messages------------------------------------
1)
Date:  Tue, 13 Aug 1996 14:40:32 +0200
From:  maier at CoLi.Uni-SB.DE (Holger Maier)
Subject:  CLEARS - educational and research tool for computational semantics
 
Hello.
 
We want to introduce CLEARS, a freely available education and research
tool for computational semantics. From the feedback, we got so far
from initial presentations of CLEARS, we feel that this program might
be of interest for a wide audience.
 
Holger Maier
maier at coli.uni-sb.de
 
 
   CLEARS  -  An Education and Research Tool for Computational Semantics
   =====================================================================
 
 
   Holger Maier      maier at coli.uni-sb.de
   David Milward     milward at cam.sri.com
   Karsten Konrad    konrad at cs.uni-sb.de
   Manfred Pinkal    pinkal at coli.uni-sb.de
 
 
 
   WHAT IS CLEARS ?
   ----------------
 
   The CLEARS tool provides a graphical interface allowing
   interactive construction of semantic representations in a variety of
   different formalisms, and using several construction methods.
 
   CLEARS (Computational Linguistics Education and Research for Semantics)
   was developed as part of the FraCaS project which was designed to
   encourage convergence between different semantic formalisms,
   such as Montague-Grammar, DRT, and Situation Semantics.
 
   As a tutorial tool, CLEARS allows students to investigate
   various formalisms and their relationship. It can also be used
   to provide interactive demonstrations and to produce handouts.
 
   Because such a system has to be based largely on standard
   routines and algorithms that are fundamental for the area of
   computational semantics, a secondary aim of the project was
   to provide a set of well documented programs which could form
   the nucleus of a larger library of reusable code for this field.
   This also makes it relatively easy for students and researchers
   to add their own modules.
 
 
   MAIN FEATURES OF CLEARS
   -----------------------
 
   (1) TEACHING TOOL
 
       - Interactive Graphical Environment allowing:
	   Step by Step Construction of Semantic Representations
	   Learning of Different Semantic Formalisms
 
       - High quality graphics for production of slides and handouts.
 
 
   (2) RESEARCH TOOL
 
       - Extendible System to plug in new Formalisms
       - Allows Translation and Comparison between Formalisms
 
 
   (3) LIBRARY
 
       - Fundamental Algorithms for Computational Semantics
       - Reusable Modules for other Applications
 
 
   (4) ARCHITECTURE
 
       - Code to be maximally shared
       - No generalisation to the worst case.
       - Similarities between formalisms and algorithms made
	 explicit in the coding.
 
 
   (5) PARAMETERS
 
       a small selection:
 
	 Semantic formalisms
	     Lambda-DRT, Intensional & Extensional Montague Grammar
	     Situation Semantics, Classic (TopDown) DRT
 
	 Grammar
	     DCG, Categorial Grammar,
	     FeatureBased Grammar
 
	 Parser
	     DCG, Chart Parser, Incremental Parser
 
 
 
 
 
   AVAILABILITY OF THE SYSTEM
   --------------------------
 
   CLEARS is freely available. However you need
 
   -  SICSTUS Prolog 3  (unfortunately commercial)
   -  Tcl 7.4
   -  Tk  4.0            (both freely available)
 
 
   You can get CLEARS on the WWW from the following address, which
   contains further documentation:
 
   http://www.coli.uni-sb.de/~clears/clears.html
 
   or you can download it via ftp from
 
   ftp ftp.coli.uni-sb.de  (134.96.68.11)
 
   cd /pub/fracas
   bin
   get CLEARS.tar.gz
   get README
   get userman.ps.gz
 
 
 
   FURTHER QUESTIONS
   -----------------
 
   In case of further questions, please mail to one of the authors
   or to
   clears at coli.uni-sb.de
 
 
 
 
 
 
 
 
 
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