[mod.ai] ISSCO working papers

rosner%cui.unige.chunet%ubc.CSNET@CSNET-RELAY.ARPA (Mike Rosner) (01/28/86)

		     Fondazione Dalle Molle
			     Geneva

                             ISSCO
                         WORKING PAPERS


No. 46 (1981)
M Rosner 
Three Strategic Goals in Conversational Openings

This  paper  tries  to  explain  a  short  transcript    of    a
conversational  opening  as  completely  as  possible within the
framework which takes conversational behaviour as defined by the
operation  of  a  sohisticated  planning mechanism. It is argued
that a critical role is played  by  the  satifaction,  for  each
participant,  of  three  strategic  goals relating to attention,
identification, and greeting.  Additional  tactics  for  gaining
information  are also described as necessary to account for this
transcript.

No. 47 (1983) 
F di Primio & Th Christaller
A Poor Man's Flavor System

This paper is the result of an attempt to  understand  'flavors',
the  object oriented programming system in Lispmachine Lisp. The
authors argue that the basic principles of such systems are  not
easily  accessible  to the programming public, because papers on
the subject rarely discuss concrete  details.  Accordingly,  the
authors'  approach  is  pedagogical,  and  takes  the  form of a
description of the evolution of  their  own  flavor  system.  An
appendix  contains  programming  examples  that  are sufficienly
detailed to enable an average Lisp programmer to build a  flavor
system,    and    experiment  with  the  essential  concepts  of
object-oriented programming.


No. 48 (1984)
Eric Wehrli
A Government-Binding Parser for French

This paper describes a parser for French based on an  adaptation
of  Chomsky's  Government  and  Binding  theory.  Reflecting the
modular  conception  of  GB-grammars,  the  parser  consists  of
several  modules corresponding to some of the subtheories of the
grammar, such as X bar, binding, etc. Making an extensive use of
lexical  information  and  following strategies which attempt to
take advantage of the basic  properties  of  natural  languages,
this parser is powerful enough to produce all of the grammatical
structures of sentences  for  a  fairly  substantial  subset  of
French.  At  the  same  time, it is restricted enough to avoid a
proliferation of alternative analyses, even with highly  complex
constructions. Particular attention has been paid to the problem
of the  grammatical  interpretation  of  wh-phrases,  to  clitic
constructions,  as well as to the organisation and management of
the lexicon.

No 49 (1985)
Patrick Shann
AI Approaches to Machine Translation

This paper examines  some  experimental  AI  systems  that  were
specifically    developed    for   machine  translation  (Wilks'
Preference Semantics, the Yale projects, Salat and  CONTRA).  It
concentrates  on  the  different types of meaning representation
used, and the nature of the knowledge used for the  solution  of
difficult  problems  in MT. To explore particular AI approaches,
the resolution of several types of ambiguity is  discussed  from
the point of view of different systems.


No. 50 (1985)
Beat Buchmann & Susan Warwick
Machine Translation: Pre-ALPAC history, Post-ALPAC overview

This paper gives a historical overview of the field  of  Machine
Translation  (MT). The ALPAC report, the now well-known landmark
in the history of MT, serves to delimit the two sections of this
paper.  The  first  section,  Pre-ALPAC  history,  looks in some
detail  at  the  hopeful  beginnings,   the    first    euphoric
developments,  and  the  onsetting  disillusionment  in  MT. The
second  section,  Post-ALPAC  overview,  describes  more  recent
developments  on  the  basis of current prototype and commercial
systems. It also reviews  some  of  the  basic  theoretical  and
practical issues in the field.


No 51 (1985)
Rod Johnson & Mike Rosner
Software Engineering for Machine Translation

In this paper we discuss the desirable properties of a  software
environment  for MT development, starting from the position that
succesful MT depends on a coherent  theory  of  translation.  We
maintain  that  such  an environment should not just provide for
the  construction  of  instances  of  MT  systems  within   some
preconceived  (and  probably  weak)  theoretical  framework, but
should also offer tools for rapid implementation and  evaluation
of  a  variety  of  experimental  theories. A discussion of some
potentially interesting properties of theories of  language  and
translation is followed by a description of a prototype software
system which is designed to facilitate practical experimentation
with such theories.



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