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AIList Digest Volume 4 Issue 136
AIList Digest Tuesday, 3 Jun 1986 Volume 4 : Issue 136
Today's Topics:
Conferences - DOD Decsion Aiding (Man-Machine Interfaces) &
SLP '86 Program and Tutorial Abstracts
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Date: 30 May 86 10:03:00 EDT
From: "MATHER, MICHAEL" <mather@ari-hq1.ARPA>
Reply-to: "MATHER, MICHAEL" <mather@ari-hq1.ARPA>
Subject: Conference - DOD DECSION AIDING CONF, CALL FOR PAPERS ON MMI
FOURTH ANNUAL WORKSHOP ON COMMAND AND CONTROL DECISION AIDING
NOVEMBER 4-6, 1986
US AIR FORCE MUSEUM AUDITORIUM
WRIGHT-PATTERSON AFB
DAYTON, OH
As is stated in the name of the conference, the workshop will address
decision aiding in military command and control systems. U.S. citizenship and
at least a Secret clearance are required for attendance. Sessions will be
presented in the following areas:
I. Requirements
II. Technology
III. Man-Machine Interface
IV. Test and Evaluation
V. Training Systems
VI. Applications
There will also be a Round Table discussion at the end of the conference.
I am the Chair for the session on Man-Machine Interface. Anyone
working on a Man-Machine Interface project related to command and control,
intelligence, decision aiding, etc. and interested in presenting a paper at
the conference is urged to contact me as soon as possible. I must make a
decision on papers to be presented by 15 Aug 86.
CPT Mike Mather
US Army Research Institute
ATTN: PERI-SF
5001 Eisenhower Ave.
Alexandria, VA 22333-5600
Phone: (202) 274-5477/5482
(AVN) 284-5477/5482
DDN: MATHER@ARI-HQ1
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Date: Wed, 28 May 86 15:47:12 MDT
From: keller@utah-cs.ARPA (Bob Keller)
Subject: Conference - SLP '86 Program and Tutorial Abstracts
[Note: this is not the same as the 3rd Int. Conf. on Logic Programming,
London, July 14-18, that was announced in V4 #113. -- KIL]
SCHEDULE
SLP '86
Third IEEE Symposium on
LOGIC PROGRAMMING
September 21-25, 1986
Westin Hotel Utah
Salt Lake City, Utah
Conference Chairperson
Gary Lindstrom, University of Utah
Program Chairperson Local Arrangements Chairperson
Robert M. Keller, University of Utah Thomas C. Henderson, University of Utah
Tutorials Chairperson Exhibits Chairperson
George Luger, University of New Mexico Ross Overbeek, Argonne National Lab.
Program Committee
Francois Bancilhon, MCC William Kornfeld, Quintus Systems
John Conery, University of Oregon Gary Lindstrom, University of Utah
Al Despain, U.C. Berkeley George Luger, University of New Mexico
Herve Gallaire, ECRC, Munich Rikio Onai, ICOT/NTT, Tokyo
Seif Haridi, SICS, Stockholm Ross Overbeek, Argonne National Lab.
Lynette Hirschman, SDC Mark Stickel, SRI International
Peter Kogge, IBM, Owego Sten Ake Tarnlund, Uppsala University
SUNDAY, September 21
19:00 - 22:00 Symposium and tutorial registration
MONDAY, September 22
08:00 - 09:00 Symposium and tutorial registration
09:00 - 17:30 TUTORIALS (concurrent) Please see attached abstracts.
George Luger Introduction to AI Programming in Prolog
University of New Mexico
David Scott Warren Building Prolog Interpreters
SUNY, Stony Brook
Neil Ostlund Theory of Parallelism, with Applications to
Romas Aleliunas Logic Programming
University of Waterloo
12:00 - 17:30 Exhibit set up time
18:00 - 22:00 Symposium registration
20:00 - 22:00 Reception
TUESDAY, September 23
08:00 - 12:30 Symposium registration
09:00 Exhibits open
09:00 - 09:30 Welcome and announcements
09:30 - 10:30 INVITED SPEAKER: W. W. Bledsoe
Some Thoughts on Proof Discovery
11:00 - 12:30 SESSION 1: Applications
The Logic of Tensed Statements in English -
an Application of Logic Programming
Peter Ohrstrom, University of Aalborg
Nils Klarlund, University of Aarhus
Incremental Flavor-Mixing of Meta-Interpreters for
Expert System Construction
Leon Sterling and Randall D. Beer
Case Western Reserve University
The Phoning Philosopher's Problem or
Logic Programming for Telecommunications Applications
J.L. Armstrong, N.A. Elshiewy, and R. Virding
Ericsson Telecom
14:00 - 15:30 SESSION 2: Secondary Storage
EDUCE - A Marriage of Convenience:
Prolog and a Relational DBMS
Jorge Bocca, ECRC, Munich
Paging Strategy for Prolog Based Dynamic Virtual Memory
Mark Ross, Royal Melbourne Institute of Technology
K. Ramamohanarao, University of Melbourne
A Logical Treatment of Secondary Storage
Anthony J. Kusalik, University of Saskatchewan
Ian T. Foster, Imperial College, London
16:00 - 17:30 SESSION 3: Compilation
Compiling Control
Maurice Bruynooghe, Danny De Schreye, Bruno Krekels
Katholieke Universiteit Leuven
Automatic Mode Inference for Prolog Programs
Saumya K. Debray, David S. Warren
SUNY at Stony Brook
IDEAL: an Ideal DEductive Applicative Language
Pier Giorgio Bosco, Elio Giovannetti
C.S.E.L.T., Torino
17:30 - 19:30 Reception
20:30 - 22:30 Panel (Wm. Kornfeld, moderator)
Logic Programming for Systems Programming
WEDNESDAY, September 24
09:00 - 10:00 INVITED SPEAKER: Sten Ake Tarnlund
Logic Programming - A Logical View
10:30 - 12:00 SESSION 4: Theory
A Theory of Modules for Logic Programming
Dale Miller
University of Pennsylvania
Building-In Classical Equality into Prolog
P. Hoddinott, E.W. Elcock
The University of Western Ontario
Negation as Failure Using Tight Derivations for General Logic Programs
Allen Van Gelder
Stanford University
13:30 - 15:00 SESSION 5: Control
Characterisation of Terminating Logic Programs
Thomas Vasak, The University of New South Wales
John Potter, New South Wales Institute of Technology
An Execution Model for Committed-Choice
Non-Deterministic Languages
Jim Crammond
Heriot-Watt University
Timestamped Term Representation in Implementing Prolog
Heikki Mannila, Esko Ukkonen
University of Helsinki
15:30 - 22:00 Excursion
THURSDAY, September 25
09:00 - 10:30 SESSION 6: Unification
Refutation Methods for Horn Clauses with Equality
Based on E-Unification
Jean H. Gallier and Stan Raatz
University of Pennsylvania
An Algorithm for Unification in Equational Theories
Alberto Martelli, Gianfranco Rossi
Universita' di Torino
An Implementation of Narrowing: the RITE Way
Alan Josephson and Nachum Dershowitz
University of Illinois at Urbana-Champaign
11:00 - 12:30 SESSION 7: Parallelism
Selecting the Backtrack Literal in the
AND Process of the AND/OR Process Model
Nam S. Woo and Kwang-Moo Choe
AT & T Bell Laboratories
Distributed Semi-Intelligent Backtracking for a
Stack-based AND-parallel Prolog
Peter Borgwardt, Tektronix Labs
Doris Rea, University of Minnesota
The Sync Model for Parallel Execution of Logic Programming
Pey-yun Peggy Li and Alain J. Martin
California Institute of Technology
14:00 - 15:30 SESSION 8: Performance
Redundancy in Function-Free Recursive Rules
Jeff Naughton
Stanford University
Performance Evaluation of a Storage Model for
OR-Parallel Execution
Andrzej Ciepelewski and Bogumil Hausman
Swedish Institute of Computer Science (SICS)
MALI: A Memory with a Real-Time Garbage Collector
for Implementing Logic Programming Languages
Yves Bekkers, Bernard Canet, Olivier Ridoux, Lucien Ungaro
IRISA/INRIA Rennes
16:00 - 17:30 SESSION 9: Warren Abstract Machine
A High Performance LOW RISC Machine
for Logic Programming
J.W. Mills
Arizona State University
Register Allocation in a Prolog Machine
Saumya K. Debray
SUNY at Stony Brook
Garbage Cut for Garbage Collection of Iterative Programs
Jonas Barklund and Hakan Millroth
Uppsala University
EXHIBITS:
An exhibit area including displays by publishers, equipment manufacturers, and
software houses will accompany the Symposium. The list of exhibitors includes:
Arity, Addison-Wesley, Elsevier, Expert Systems, Logicware, Overbeek
Enterprises, Prolog Systems, Quintus, and Symbolics. For more information,
please contact:
Dr. Ross A. Overbeek
Mathematics and Computer Science Division
Argonne National Laboratory
9700 South Cass Ave.
Argonne, IL 60439
312/972-7856
ACCOMODATIONS:
The Westin Hotel Utah is a gracious turn of the century hotel with Mobil 4-Star
and AAA 5-Star ratings. The Temple Square Hotel, located one city block away,
offers basic comforts for budget-conscious attendees.
MEALS AND SOCIAL EVENTS:
Symposium registrants (excluding students and retired members) will receive
tickets for lunches on September 23, 24, and 25, receptions on September 22 and
23, and an excursion the afternoon of September 24. The excursion will
comprise a steam train trip through scenic Provo Canyon, and a barbeque at Deer
Valley Resort, Park City, Utah.
Tutorial registrants will receive lunch tickets for September 22.
TRAVEL:
The Official Carrier for SLP '86 is United Airlines, and the Official Travel
Agent is Morris Travel (361 West Lawndale Drive, Salt Lake City, Utah 84115,
phone 1-800-621-3535). Special airfares are available to SLP '86 attendees.
Contact Morris Travel for details.
A courtesy limousine is available from Salt Lake International Airport to both
symposium hotels, running every half hour from 6:30 to 23:00. The taxi fare is
approximately $10.
CLIMATE:
Salt Lake City generally has warm weather in September, although evenings may
be cool. Some rain is normal this time of year.
SLP '86 Symposium and Tutorial Registration:
Advance symposium and tutorial registration is available until September 1,
1986. No refunds will be made after that date. Send a check or money order (no
currency will be accepted) payable to "Third IEEE Symposium on Logic
Programming" to:
Third IEEE Symposium on Logic Programming
IEEE Computer Society
1730 Massachusetts Avenue, N.W.
Washington, D.C. 20036-1903
Symposium Registration: Advance On-Site
IEEE Computer Society members $185 $215
Non-members $230 $270
Full-time student members $ 50 $ 50
Full-time student non-members $ 65 $ 65
Retired members $ 50 $ 50
Tutorial Registration: ("Luger", "Warren", or "Ostlund")
Advance On-Site
IEEE Computer Society members $140 $170
Non-members $175 $215
SLP '86 Hotel Reservation:
Mail or Call: phone 801-531-1000, telex 389434
Westin Hotel Utah
Main and South Temple Streets
Salt Lake City, UT 84111
A deposit of one night's room or credit card guarantee is required for arrivals
after 6pm.
Room Rates (circle your choice):
Westin Hotel Utah Temple Square Hotel
single room $60 $30
double room $70 $36
Reservations must be made mentioning SLP '86 by August 31, 1986 to guarantee
these special rates.
_______________________________________________________________________________
SLP '86 TUTORIAL ABSTRACTS
IMPLEMENTATION OF PROLOG INTERPRETERS AND COMPILERS
DAVID SCOTT WARREN
SUNY AT STONY BROOK
Prolog is by far the most used of various logic programming languages that have
been proposed. The reason for this is the existence of very efficient
implementations. This tutorial will show in detail how this efficiency is
achieved.
The first half of this tutorial will concentrate on Prolog compilation. The
approach is first to define a Prolog Virtual Machine (PVM), which can be
implemented in software, microcode, hardware, or by translation to the language
of an existing machine. We will describe in detail the PVM defined by D.H.D.
Warren (SRI Technical Note 309) and discuss how its data objects can be
represented efficiently. We will also cover issues of compilation of Prolog
source programs into efficient PVM programs.
ARTIFICIAL INTELLIGENCE AND PROLOG:
AN INTRODUCTION TO THEORETICAL
ISSUES IN AI WITH PROLOG EXAMPLES
GEORGE F. LUGER
UNIVERSITY OF NEW MEXICO
This tutorial is intended to introduce the important concepts of both
Artificial Intelligence and Logic Programming. To accomplish this task, the
theoretical issues involved in AI problem solving are presented and discussed.
These issues are exemplified with programs written in Prolog that implement the
core ideas. Finally, the design of a Prolog interpreter as Resolution
Refutation system is presented.
The main ideas from AI problem solving that are presented include: 1) An
introduction of AI as representation and search. 2) An introduction of the
Predicate Calculus as the main representation formalism for Artificial
Intelligence. 3) Simple examples of Predicate Calculus representations,
including a relational data base. 4) Unification and its role both in
Predicate Calculus and Prolog. 5) Recursion, the control mechanism for
searching trees and graphs, 6) The design of search strategies, especially
depth first, breadth first and best first or "heuristic" techniques, and 7) The
Production System and its use both for organizing search in a Prolog data base,
as well as the basic data structure for "rule based" Expert Systems.
The above topics are presented with simple Prolog program implementations,
including a Production System code for demonstrating search strategies. The
final topic presented is an analysis of the Prolog interpreter and an analysis
of this approach to the more general issue of logic programming. Resolution is
considered as an inference strategy and its use in a refutation system for
"answer extraction" is presented. More general issues in AI problem solving,
such as the relation of "logic" to "functional" programming are also discussed.
PARALLELISM IN LOGIC PROGRAMMING
NEIL OSTLUND
ROMAS ALELIUNAS
UNIVERSITY OF WATERLOO
The fields of parallel processing and logic programming have independently
attracted great interest among computing professionals recently, and there is
currently considerable activity at the interface, i.e. in applying the concepts
of parallel computing to logic programming and, more specifically yet, to
Prolog. The application of parallelism to Logic Programming takes two basic
but related directions. The first involves leaving the semantics of sequential
programming, say ordinary Prolog, as intact as possible, and uses parallelism,
hidden from the programmer, to improve execution speed. This has traditionally
been a difficult problem requiring very intelligent compilers. It may be an
easier problem with logic programming since parallelism is not artificially
made sequential, as with many applications expressed in procedural languages.
The second direction involves adding new parallel programming primitives to
Logic Programming to allow the programmer to explicitly express the parallelism
in an application.
This tutorial will assume a basic knowledge of Logic Programming, but will
describe current research in parallel computer architectures, and will survey
many of the new parallel machines, including shared-memory architectures (RP3,
for example) and non-shared-memory architectures (hypercube machines, for
example). The tutorial will then describe many of the current proposals for
parallelism in Logic Programming, including those that allow the programmer to
express the parallelism and those that hide the parallelism from the
programmer. Included will be such proposals as Concurrent Prolog, Parlog,
Guarded Horn Clauses (GHC), and Delta-Prolog. An attempt will be made to
partially evaluate many of these proposals for parallelism in Logic
Programming, both from a pragmatic architectural viewpoint as well as from a
semantic viewpoint.
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End of AIList Digest
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