From: IEEE-RTTC@cs.bu.edu
Subject: IEEE-RTTC digest for Tue May 19, 1992

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The Electronic Newsletter of the IEEE Technical Committee on Real-Time Systems
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Table of Contents                                                         Line
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 1. bengt@sics.se (50 lines)
      research position at Uppsala.......................................    2

 2. S Purushothaman <purush@guardian.cs.psu.edu> (101 lines)
      Final CFP: Workshops on Process Algebras and Dependable Computing..   52

 3. Jane Liu <janeliu@css2.cs.uiuc.edu> (66 lines)
      IEEE Workshop on Imprecise and Approximate Computation.............  154

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                               Message 1; Postmarked Wed Apr 29 10:56:12 1992

Subject: research position at Uppsala
From: bengt@sics.se


Date: Mon, 27 Apr 92 23:29:13 +0200

VISITING RESEARCH POSITION IN FORMAL DESIGN TECHNIQUES
at the UNIVERSITY of UPPSALA, Sweden

The department of Computer Systems at Uppsala University is seeking a
visiting researcher in formal design techniques.

UPPSALA is located 70 km north of Stockholm. We are a research group,
currently 7 people, concentrating on formal design techniques. Our
research topics are in semantics, specification, verification, and
transformation of distributed systems, real-time systems, and regular
hardware circuits.  We collaborate with the formal design techniques
group at SICS in Kista, Stockholm, which earlier has announced a similar
position in this forum. At Uppsala University there is also a neighbouring
department of numerical analysis, and the department of computing
science specializing in logic programming. 

THE POSITION is partly funded by the ESPRIT Basic Research Action
``REACT: Building Correct Reactive Systems'' where we participate.
REACT focuses on verification methods for reactive systems, on timing
properties, and on methods for stepwise development and structuring of
reactive systems.  We offer a visiting researcher position starting
August-September 1992. The beginning and length of the period are
negotiable. We seek an applicant with a PhD and a research record in
relevant areas. 
	
Interested? Please send me your CV and state your interests and
requirements preferrably by early May. Email, fax or physical mail are fine

Prof Bengt Jonsson
Uppsala University
Dept of Computer Systems
Box 520 
S - 751 20 Uppsala, Sweden,
fax: +46 - 18 - 55 02 25
e-mail: bengt@docs.uu.se

P.S.
I am now moving from SICS to the Dept of Computer Systems at Uppsala
University. 




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                               Message 2; Postmarked Mon May 11 12:45:04 1992

Subject: Final CFP: Workshops on Process Algebras and Dependable Computing
From: S Purushothaman <purush@guardian.cs.psu.edu>
Sender: best@cs.bu.edu


Date: 	Sat, 9 May 1992 14:24:04 -0400

			CALL FOR PAPERS

      First North American Process Algebra Workshop (NAPAW)
			     and
  Realistically Dependable Parallel Computing Workshop (READPAC)

			August 28-29, 1992
			Stony Brook, NY

NAPAW, to be held in conjunction with CONCUR '92, on Friday, August 28,
will provide a forum for the discussion of process algebras.  Short
abstracts of no more than two (2) pages are sought on topics relating to
the theory, application and extensions of process algebras.  Participants
are encouraged to submit their abstracts by electronic mail (using Unix
commands tarmail or uuencode) if possible.  The accepted formats are
DVI and PostScript.  If electronic submission is not possible, five
(5) copies of the paper should be sent to S.  Purushothaman at
the below address.  The deadline for receipt of abstracts is May 15.
Authors will be notified of acceptance or rejection by June 1.  A
proceedings in the form of a collection of abstracts (or full papers)
will be provided at the workshop and later available as a tech report
from Hopkins/Penn State.

Organizers: S. Purushothaman
	    Dept of Computer Science
	    Penn State University
	    University Park, PA  16802
	    purush@cs.psu.edu

	    Amy Zwarico
	    Dept of Computer Science
	    Johns Hopkins University
	    Baltimore, MD  21218
	    amy@cs.jhu.edu

Program Comittee:
   R. Cleaveland
   R. Gerber
   F. Moller
   S. Purushothaman
   A. Zwarico


READPAC, also held in conjunction with CONCUR, on the afternoon of
Friday, August 28 and all day Saturday, August 29, will provide a
forum for the discussion of techniques that will facilitate the design
of future high-performance systems.  Historically, research on
parallel and distributed - hence concurrent - systems has been divided
into two independent fields: (1) performance modeling and analysis,
including algorithm design and analysis, and (2) formal methods,
including algorithm and system specification and verification
techniques.  With large scale concurrency and parallelism becoming a
technological reality, the designer of such systems is now faced not
only with the problem of being able to specify them correctly with
ease, but must also ensure that such specifications lead to efficient
systems capable of high performance.  Ideally, a design methodology
should allow the designer to specify, implement, verify, and
performance-model a system simultaneously, throughout the development
process.  The goal of this workshop is to foster interaction between
researchers and practitioners from these diverse fields, with an aim
to bridging gaps and leading towards a common modeling and analysis
framework.  It is hoped that this synergy will yield tools and
techniques that will aid the designer to rapidly produce correct as
well as efficient concurrent or parallel programs and systems.

Short abstracts of no more than two (2) pages are sought on topics
relating formal methods and performance analysis.  Three (3) copies of
the paper should be sent to Erol Gelenbe at the below address.  The
deadline for receipt of abstracts is May 15.  Authors will be notified
of acceptance or rejection by June 1.  A proceedings in the form of a
collection of abstracts (or full papers) will be provided at the
workshop and papers presented at the workshop will be considered for
subsequent journal publication. Details of this will be provided at
the workshop.

Organizer:
	Erol Gelenbe
	EHEI
	Universite' Rene' Descartes
	45 rue des Saints-Peres
	75006 Paris

Program Committee:
   Erol Gelenbe (Workshop Chair)
   Zvi Kedem
   Isi Mitrani,
   Richard Muntz
   Krishna Palem
   Scott Smolka
   Satish Tripathi



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                               Message 3; Postmarked Mon May 18 11:04:55 1992

From: Jane Liu <janeliu@css2.cs.uiuc.edu>
Subject: IEEE Workshop on Imprecise and Approximate Computation



				
			Call for Papers
 
	IEEE Workshop on Imprecise and Approximate Computation
 
			December 1, 1992
			Phoenix, Arizona

			Co-Sponsored by:
  	IEEE Computer Society TC on Real-Time Systems
		    Office of Naval Research
		      Texas A&M University



Imprecise computation appears to be a promising approach to providing 
scheduling flexibility and enhancing dependability in dynamic real-time 
systems. Over the years, several systems have made use of approximate 
computations in time-constrained situations. Recent work in this area has 
resulted in a formalization of the approach and focused on providing system
support for using imprecise computation. The potential applications of these 
ideas include both traditional and next-generation applications, such as 
intelligent control systems, machine vision, real-time databases, and highly
dependable real-time systems.

The purpose of this workshop is to bring together researchers and 
practitioners and provide a forum for discussing a wide range of related 
topics, including applications of imprecise and approximate computations,
reasoning about approximate results, approximate computation algorithms and
methods, as well as programming and system support, communication protocols,
and software development tools.

Prospective participants should send 6 copies of a position paper
(no more than 5 pages) by August 15, 1992 to Wei Zhao, Department of 
Computer Science, Texas A&M University, College Station, TX 77843-3112.
(409) 845-5098 (voice), (409) 847-8578 (fax); zhao@cs.tamu.edu. 

Complete details regarding the workshop will be sent to all participants
along with acceptance letters by October 16, 1992. Camera ready copies of
the papers will be due on November 6, 1992. All accepted papers will be 
published in workshop proceedings.


Program Committee

Thomas Dean				Swami Natarajan
	Brown University			Texas A&M University
John James				Stuart Russell
	U.S. Army				Univ of California at Berkeley
Wolf Kohn				Don Towsley
	Intermetrics				Univ of Massachusetts
Victor Lesser				John Yen
	Univ of Massachusetts			Texas A&M University
Kwei-Jay Lin, 				Wei Zhao
	Univ of Illinois  at Urbana		Texas A&M University
Jane W. Liu
	Univ of Illinois at Urbana





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