[comp.ai.neural-nets] Neuron Digest V4 #30

neuron-request@HPLABS.HP.COM (Neuron-Digest Moderator Peter Marvit) (12/05/88)

Neuron Digest   Sunday,  4 Dec 1988
                Volume 4 : Issue 30

Today's Topics:
                        Call for Papers (ISMIS'89)
              Tech Report - Connectionist Speech Recognition
                      IEEE ICNNN 1989 Call for Papers
             Explanatory Coherence: BBS Call for Commentators
                               TR available


Send submissions, questions, address maintenance and requests for old issues to
"neuron-request@hplabs.hp.com" or "{any backbone,uunet}!hplabs!neuron-request"

------------------------------------------------------------

Subject: Call for Papers (ISMIS'89)
From:    wong@gvax.cs.cornell.edu (Mike Wong)
Organization: Cornell Univ. CS Dept, Ithaca NY
Date:    21 Nov 88 16:08:44 +0000 


                          CALL FOR PAPERS
           FOURTH INTERNATIONAL SYMPOSIUM ON METHODOLOGIES
                      FOR INTELLIGENT SYSTEMS
      Charlotte, North Carolina, Hilton Hotel, University Place
                        October 12-14, 1989

SPONSORS: Energy Division of the ORNL, Martin Marietta Energy Systems,
University of North Carolina - Charlotte, University of Turin (ITALY)

PURPOSE OF THE SYMPOSIUM: This Symposium is intended to attract individuals
who are actively engaged both in theoretical and practical aspects of
intelligent systems. The goal is to provide a platform for a useful
exchange between theoreticians and practitioners, and to foster the
cross-fertilization of ideas in the following areas: approximate reasoning,
expert systems, intelligent databases, knowledge representation, learning
and adaptive systems, logic for A.I., neural networks.

SYMPOSIUM CHAIRMAN: Zbigniew W. Ras (UNC-Charlotte)

ORGANIZING COMMITTEE: Bill Chu (UNC-C), Mary Emrich (ORNL),        
       Attilio Giordana (Turin, Italy), Zbigniew Michalewicz (New Zealand),
       Alberto Pettorossi (Rome, Italy), Pietro Torasso (Turin, Italy),
       S.K.Michael Wong (Cornell), Maria Zemankova (NSF & UT-Knoxville),
       Jan Zytkow (George Mason)

PROGRAM COMMITTEE: Luigia Aiello (Italy), Andrew G. Barto (UM-Amherst),
       James Bezdek (Boeing), Alan W. Bierman (Duke), John Bourne (Vanderbilt),
       Jaime Carbonell (CMU), Peter Cheeseman (NASA), Su-shing Chen (UNC-C),
       Melvin Fitting (CUNY), Brian R. Gaines (Canada), Peter E. Hart
       (Syntelligence), Marek Karpinski (West Germany), Kurt Konolige (SRI),
       Catherine Lassez (IBM-T.J Watson), R. Lopez de Mantaras (Spain),
       Ryszard Michalski (George Mason), Jack Minker (Maryland), 
       Jose Miro (Spain), Masao Mukaidono (Japan), Ephraim Nissan (Israel),
       Rohit Parikh (CUNY), Reind van de Riet (The Netherlands),
       Colette Rolland (France), Lorenza Saitta (Italy), Eric Sandewall
       (Sweden), Joachim W. Schmidt (West Germany), Richmond Thomason
       (Pittsburgh), David S. Warren (SUNY-Stony Brook) 

INVITED SPEAKERS: Jon Doyle (MIT), Ryszard Michalski (George Mason),
       Richard Waldinger (SRI)

SUBMISSION AND INFORMATION: Send four copies of a complete paper to one of
the addresses below:
       Dr. S.K. Michael Wong, Cornell Univ., Comp. Sci., Upson Hall,
                              Ithaca, New York 14853-7501
                            or
       Dr. A. Giordana, Univ. of Turin, Comp. Sci., Corso Svizzera 185,
                        10149 Torino, Italy

TIME SCHEDULE:
       Submission of papers..........................March 15, 1989
       Notification of acceptance....................May 15, 1989
       Final paper to be included in proceedings.....June 15, 1989

       
                       

------------------------------

Subject: Tech Report - Connectionist Speech Recognition
From:    watrous@linc.cis.upenn.edu (Raymond Watrous)
Date:    Wed, 23 Nov 88 15:53:30 -0500 

The following technical report is available from the Department of Computer
and Information Science, University of Pennsylvania:


            Speech Recognition Using Connectionist Networks

                        Raymond L. Watrous

                        MS-CIS-88-96
                        LINC LAB 138

                        Abstract


The use of connectionist networks for speech recognition is assessed using
a set of representative phonetic discrimination problems. The problems are
chosen with respect to the physiological theory of phonetics in order to
give broad coverage to the space of articulatory phonetics.  Separate
network solutions are sought to each phonetic discrimination problem.

A connectionist network model called the Temporal Flow Model is defined
which consists of simple processing units with single valued outputs
interconnected by links of variable weight. The model represents temporal
relationships using delay links and permits general patterns of
connectivity including feedback. It is argued that the model has properties
appropriate for time varying signals such as speech.

Methods for selecting network architectures for different recognition
problems are presented. The architectures discussed include random
networks, minimally structured networks, hand crafted networks and networks
automatically generated based on samples of speech data.

Networks are trained by modifying their weight parameters so as to minimize
the mean squared error between the actual and the desired response of the
output units. The desired output unit response is specified by a target
function. Training is accomplished by a second order method of iterative
nonlinear optimization by gradient descent which incorporates a method for
computing the complete gradient of recurrent networks.

Network solutions are demonstrated for all eight phonetic discrimination
problems for one male speaker. The network solutions are analyzed carefully
and are shown in every case to make use of known acoustic phonetic cues.
The network solutions vary in the degree to which they make use of context
dependent cues to achieve phoneme recognition.

The network solutions were tested on data not used for training and
achieved an average accuracy of 99.5%.

Methods for extending these results to a single network for recognizing the
complete phoneme set from continuous speech obtained from different
speakers are outlined.

It is concluded that acoustic phonetic speech recognition can be
accomplished using connectionist networks.

+++++++++++++++++++++++++++++++++++++++++++++++++++++

This report is available from:

James Lotkowski
Technical Report Facility
Room 269/Moore Building
Computer Science Department
University of Pennsylvania
200 South 33rd Street
Philadelphia, PA 19104-6389

or james@central.cis.upenn.edu

Please do not request copies of this report from me. Copies of the report
cost approximately $19.00 which covers duplication (300 pages) and postage.
I will bring a 'desk copy' to NIPS.

As of December 1, I will be affiliated with the University of Toronto.  My
address will be:

Department of Computer Science
University of Toronto
10 King's College Road
Toronto, Canada M5S 1A4

watrous@ai.toronto.edu


------------------------------

Subject: IEEE ICNNN 1989 Call for Papers
From:    pwh@ece-csc.ncsu.edu (Paul Hollis)
Date:    Fri, 25 Nov 88 14:21:29 -0500 


                           NEURAL NETWORKS

                           CALL FOR PAPERS

           IEEE International Conference on Neural Networks
                           June 19-22, 1989
                           Washington, D.C.

The  1989 IEEE International Conference on Neural  Networks  (ICNN-89) 
will be held at the Sheraton Washington Hotel in Washington, D.C., USA 
from  June 19-22, 1989.  ICNN-89 is the third annual conference  in  a 
series  devoted to the technology of neurocomputing in  its  academic, 
industrial, commercial, consumer, and biomedical engineering  aspects.  
The series is sponsored by the IEEE Technical Activities Board  Neural 
Network  Committee,  created Spring 1988.  ICNN-87 and  88  were  huge 
successes,  both in terms of large attendance and high quality of  the 
technical  presentations.  ICNN-89 continues this tradition.  It  will 
be  by  far the largest and most important neural network  meeting  of 
1989.  As in the past, the full text of papers presented orally in the 
technical  sessions  will be published in the  Conference  Proceedings 
(along  with  some  particularly outstanding papers  from  the  Poster 
Sessions).   The Abstract portions of all poster papers not  published 
in  full  will also be published in the Proceedings.   The  Conference 
Proceedings  will  be  distributed at the  registration  desk  to  all 
regular conference registrants as well as to all student  registrants.  
This  gives  conference  participants the full  text  of  every  paper 
presented  in  each technical session -- which greatly  increases  the 
value  of  the  conference.  ICNN is the  only  major  neural  network 
conference  in  the  world  to offer this  feature.   As  is  now  the 
tradition,  ICNN-89  will include a day of tutorials  (June  18),  the 
exhibit hall (the neurocomputing industry's primary annual tradeshow), 
plenary  talks, and social events.  Mark your calendar today and  plan 
to attend IEEE ICNN-89 -- the definitive annual progress report on the 
neurocomputing revolution!

DEADLINE  FOR  SUBMISSION OF PAPERS for ICNN-89 is February  1,  1989.  
Papers of 8 pages or less are solicited in the following areas:

- -Real World Applications                    -Associative Memory
- -Supervised Learning Theory                 -Image Processing
- -Reinforcement Learning Theory              -Self-Organization
- -Robotics and Control                       -Neurobiological Models
- -Optical Neurocomputers                     -Vision
- -Optimization                               -Electronic Neurocomputers
- -Neural Network Theory & Architectures

Papers  should  be prepared in standard  IEEE  Conference  Proceedings 
Format,  and typed on the special forms provided in the Author's  Kit.  
The  Title,  Author Name, Affiliation, and Abstract  portions  of  the 
first  page  of  the paper must be less than a half  page  in  length.  
Indicate  in  your cover letter which of the above subject  areas  you 
wish  your  paper included in and whether you wish your  paper  to  be 
considered  for oral presentation, presentation as a poster, or  both.  
For papers with multiple authors, indicate the name and address of the 
author  to whom correspondence should be sent.  Papers  submitted  for 
oral presentation may, at the referee's discretion, be designated  for 
poster  presentation  instead,  if  they  feel  this  would  be   more 
appropriate.   FULL  PAPERS  in camera-ready form (1  original  and  5 
copies)  should be submitted to Nomi Feldman, Conference  Coordinator, 
at  the  address  below.  For more details, or to  request  your  IEEE 
Author's Kit, call or write:

                            Nomi Feldman,
                    ICNN-89 Conference Coordinator
                          3770 Tansy Street
                         San Diego, CA  92121
                            (619) 453-6222

------------------------------

Subject: Explanatory Coherence: BBS Call for Commentators
From:    harnad@Princeton.EDU (Stevan Harnad)
Date:    Sun, 27 Nov 88 12:35:11 -0500 

Below is the abstract of a forthcoming target article to appear in
Behavioral and Brain Sciences (BBS), an international, interdisciplinary
journal providing Open Peer Commentary on important and controversial
current research in the biobehavioral and cognitive sciences. To be
considered as a commentator or to suggest other appropriate commentators,
please send email to:

         harnad@confidence.princeton.edu              or write to:

BBS, 20 Nassau Street, #240, Princeton NJ 08542  [tel: 609-921-7771]
____________________________________________________________________
                 
                  EXPLANATORY COHERENCE

                  Paul Thagard
                  Cognitive Science Loboratory
                  Princeton University
                  Princeton NJ 08542

Keywords: Connectionist models, artificial intelligence, explanation,
coherence, reasoning, decision theory, philosophy of science

This paper presents a new computational theory of explanatory coherence
that applies both to the acceptance and rejection of scientific hypotheses
and to reasoning in everyday life.  The theory consists of seven principles
that establish relations of local coherence between a hypothesis and other
propositions that explain it, are explained by it, or contradict it.  An
explanatory hypothesis is accepted if it coheres better overall than its
competitors.  The power of the seven principles is shown by their
implementation in a connectionist program called ECHO, which has been
applied to such important scientific cases as Lavoisier's argument for
oxygen against the phlogiston theory and Darwin's argument for evolution
against creationism, and also to cases of legal reasoning.  The theory of
explanatory coherence has implications for artificial intelligence,
psychology, and philosophy.

------------------------------

Subject: TR available
From:    Bruno Olshausen <bruno@riacs.edu>
Date:    Fri, 02 Dec 88 15:31:14 -0800 


        The following technical report is available.  Please send email
to bruno@riacs.edu, or phone 415-694-4997, for requests:

        

    A Survey of Visual Preprocessing and Shape Representation Techniques

                                Bruno A. Olshausen

                Research Institute for Advanced Computer Science
                            NASA Ames Research Center

    Astract.  This survey summarizes many recent theories and methods
proposed for visual preprocessing and shape representation.  The survey
brings together research from the fields of biology, psychology, computer
science, electrical engineering, and most recently, neural networks.  This
report was motivated by the need to preprocess images for a sparse
distributed memory (SDM), but the techniques presented herein may also
prove useful for applying other associative memories to visual pattern
recognition.  The material of this survey is divided into three sections 1)
an overview of biological visual processing, 2) methods of preprocessing
(extracting parts of shape, texture, motion, and depth), and 3) shape
representation and recognition (form invariance, primitives and structural
descriptions, and theories of attention).


------------------------------

End of Neurons Digest
*********************