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    Call for Papers for the Joint Conferences

		1993 ACM SIGMOD
International Conference on Management of Data
			&
	Twelfth ACM SIGACT-SIGMOD-SIGART
Symposium on Principles of Database Systems (PODS)

	Washington, D.C., May 25-28, 1993

	Important Dates for Both Conferences
	------------------------------------
Deadline for submission of papers and abstracts:	December 4, 1992
Notification of acceptance or rejection:		February 12, 1993
Camera-ready copies due:				March 19, 1993

This and other information concerning SIGMOD/PODS 93 is available
by anonymous ftp from ftp.cis.upenn.edu (directory pub/sigmod-pods).

	    Letter From The Organizers
	    --------------------------
To members of the database community:


The ACM SIGMOD/PODS 93 Joint Conference continues an innovative 
experiment to foster collaboration between the theoretical and applied 
database communities.  In the decade of the 90s databases are the ascendant 
technology for dealing with complex and interdependent information.  Our 
society can benefit greatly from the full maturation of database technology, 
and we hope that the collaboration which will result from this joint 
conference will play a seminal role in stimulating this process.  We 
encourage you to play a part in this important event.

The PODS and SIGMOD conferences have separate program committees 
and will have separate proceedings.  Authors must submit their papers to the 
conference that they feel is most appropriate for their work.  We recommend 
that theoretical papers be submitted to PODS and applied ones to SIGMOD.  
The same paper or different versions of the same paper may not be 
submitted to both conferences simultaneously.  The two conferences will 
overlap for two days, but each conference will have a separate third day 
without overlap.  There will be, however, only one registration process for 
the joint, 4-day conference.  Attendees will receive both proceedings and be 
encouraged to attend sessions in both conferences.  Some of the technical 
events, the lunches, and the outing will be joint events.

Once again, you are invited to participate in what we hope will be an 
exciting event.


Sincerely,

Larry Kerschberg	Moshe Y. Vardi
SIGMOD General Chair	PODS General Chair

==================
SIGMOD Call for Papers
==================
		    Call for Papers
		    1993 ACM SIGMOD
	International Conference on Management of Data
	The OMNI Shoreham Hotel, Washington, D.C.
		    May 26-28, 1993

The 1993 ACM-SIGMOD Conference will bring together researchers, 
practitioners, developers and users to explore new concepts, tools and 
techniques for database management systems.  The conference will provide 
a forum for original research contributions as well as practical system 
design, implementation and evaluation.  The conference will feature panel 
sessions, tutorials, exhibit and industrial programs highlighting DBMS 
research and technology. 

Topics of Interest
---------------------
The major topics of interest include but are not limited to:
Active Databases
Benchmarks
Concurrency Control and Recovery
Constraint Management
Data Models
Database Programming Languages
Distributed Systems
Engineering and Design Databases
Heterogeneous Database Systems
High Performance Systems
Incomplete Information and Uncertainty
Integrity and Security Techniques
Knowledge Discovery in Databases
Knowledge Representation
Logic and Databases
Logical and Physical Database Design
Long-Duration Transactions
Object-Oriented Database Systems
Optimization and Tuning Techniques
Parallel Architectures
Query Languages
Real-Time Databases
Scientific Databases and Applications
Workstation-Based Architectures

Database Challenges Session:  
-----------------------------------
New for 1993: SIGMOD solicits short papers (8 pages max) that challenge 
the database field with new technologies or applications.  Such papers 
should provide stimulating ideas or visions that may open up exciting 
avenues of database research.  Papers will be reviewed and should be 
submitted as regular SIGMOD submissions. They should be marked 
"Database Challenges." 

Paper Submission
----------------------
Please submit six copies of an 8000 word original manuscript by December 
4, 1992 to:

Peter Buneman
Department of Computer and Information Science
University of Pennsylvania
200 South 33rd Street
Philadelphia, PA 19104-6389, USA

E-mail: sigmod@cis.upenn.edu
FAX: (215) 898-0587

We strongly encourage submission of papers and participation from the 
entire international community of database researchers and practitioners.

Exhibits Program
---------------------
The Exhibits Program will consist of a Video Program and a Demonstration 
Program of university and laboratory software prototypes and commercial 
software systems related to database management systems research and 
practice.  Videos should be full-length (5 to 20 minutes), submitted in VHS-
NTSC format, and accompanied by a project/system description of up to 
3,000 words to appear in the proceedings.  Videos will be judged on 
relevance, originality and presentation.  

Publishers are invited to exhibit books and related journals.  

Submissions should be sent to:  
Marie-Anne Neimat
Hewlett-Packard Labs
Building 3
1501 Page Mill Rd.
Palo Alto, CA, 94304
neimat@hpl.hp.com.  

Panel, Tutorial and Industrial Program
----------------------------------------------
There will be a series of sessions focused on issues relevant to practitioners 
of DBMS technology.  Each panel, industrial or tutorial proposal should 
include a one-page description of the subject matter, the name of the 
organizer, and for panels, a list of proposed panelists.  Submissions should 
be addressed to the Program Chair who will forward them to the 
appropriate organizer.

Important Dates
-------------------
Paper, Panel, Tutorial, Exhibits & 
Industrial Session Submissions:			December 4, 1992
Notification of acceptance or rejection:	February 12, 1993
Camera Ready Copies Due:			March 19, 1993

SIGMOD Organizing Committee
---------------------------------------

General Chair
Larry Kerschberg, George Mason Univ.

Program Chair
Peter Buneman, Univ. of Pennsylvania

Tutorial Program
Amit Sheth, Bellcore, USA

Panel Program
Michael Carey, Univ. of Wisconsin -- Madison

Industrial Program
Ahmed Elmagarmid, Purdue Univ.
Anthony Waisanen, US Air Force

Exhibits Program
Marie-Anne Neimat, H-P Labs
Louiqa Raschid, Univ. of Maryland

Program Committee
Paolo Atzeni, Universita di Roma
Jay Banerjee, DEC
Yuri Breitbart, Univ. of Kentucky
Arbee Chen, National Tsing Hua U, Taiwan
Sophie Cluet, INRIA
Linda DeMichiel, IBM
David J. DeWitt, Univ. of Wisconsin-Madison
Amr El Abbadi, UC -- Santa Barbara
Hector Garcia-Molina, Stanford Univ.
Narain Gehani, AT&T Bell Labs
Meichun Hsu, DEC
Tomasz Imielinski, Rutgers Univ.
Michael Kifer, SUNY at Stony Brook
David Maier, Oregon Graduate Institute
Victor Markowitz, Lawrence Berkeley Lab
Keith Marzullo, Cornell Univ.
Y. Masunaga, U Lib. & Info. Science, Japan
Ron Morrison, St Andrews, Scotland
Ami Motro, George Mason Univ.
Shamim A. Naqvi, Bellcore
Jeff Naughton, Univ. of Wisconsin-Madison
Atsushi Ohori, Oki Electric
D. Stott Parker, UC -- Los Angeles
Andreas Reuter, Universitaet  Stuttgart
Peter Revesz, Univ. of Toronto
Nick Roussopoulos, Univ. of Maryland
Joachim W. Schmidt, Universitaet Hamburg
Dennis Shasha, Courant Institute, NYU
Richard Snodgrass, Univ. of Arizona
Y.C. Tay, National Univ., Singapore
Bernhard Thalheim, Universitaet Rostock
Satish Thatte, Bellcore
Jennifer Widom, IBM
Marianne Winslett, Univ. of Illinois

Proceedings Editor
Sushil Jajodia, George Mason Univ.

European Coordinator
Claude Delobel, U of Paris-Sud & INRIA
delobel@serikos.inria.fr

Far East Coordinator
Yahiko Kambayashi, Kyoto Univ.
yahiko@kuis.kyoto-u.ac.jp

===============
PODS Call for Papers
===============

		    Call for Papers
	    Twelfth ACM SIGACT-SIGMOD-SIGART
    Symposium on Principles of Database Systems (PODS)
	The OMNI Shoreham Hotel, Washington, D.C.
		    May 25-27, 1993

The conference will focus on new developments in the fundamental aspects 
of database and knowledge-base systems.  Original research papers on the 
theory, design, specification, or implementation of database and 
knowledge-base systems are solicited.  

Topics of Interest
---------------------
Some suggested, although not exclusive, topics of interest are:  
Active Databases
Complex Objects
Concurrency Control
Constraint Management
Data Models
Database Programming Languages
Database Persistent Programming
Data Structures
Deductive Databases
Distributed Databases
Incomplete Information and Uncertainty
Integrity and Security
Knowledge Discovery
Knowledge Representation
Nonmonotonic Reasoning
Object-Oriented Databases
Performance Evaluation
Physical and Logical Design
Query Languages
Query Optimization
Spatial and Temporal Data
Transaction Management

Paper Submission
-----------------------
You are invited to submit twelve copies of a detailed abstract (not a complete 
paper) to the general chair:

Moshe Y. Vardi -- PODS 93 
IBM Almaden Research Center 
650 Harry Road 
San Jose, CA 95120-6099, USA 

E-mail:  vardi@almaden.ibm.com 
Tel:  408-927-1784.

The address, telephone number, and electronic address of the contact author 
should be given on the title page of the submission.  The abstract must 
provide sufficient detail to allow the program committee to assess the merits 
of the paper and should include appropriate references to and comparisons 
with the literature.  It is recommended that each submission begin with a 
succinct statement of the problem, a summary of the main results, and a 
brief explanation of their significance and relevance to the conference, all 
suitable for the non-specialist.  Technical development of the work, directed 
to the specialist, should follow.  A limit of 10 typed pages with roughly 35 
lines/page (about 5000 words or 10K bytes in total) is placed on 
submissions.  Font size should be at least 10.  If the authors believe that 
more details are essential to substantiate the main claims of the paper, they 
may include a clearly marked appendix to be read at the discretion of the 
committee.

All authors of accepted papers will be expected to sign copyright release 
forms, and one author of each accepted paper will be expected to present the 
paper at the conference.  Proceedings will be distributed at the conference, 
and will be subsequently available for purchase through the ACM. 


Important Dates
--------------------
Deadline for  submission of abstracts:		December 4, 1992
Notification of acceptance or rejection:	February 12, 1993
Camera-ready copies due:			March 19, 1993


PODS Organizing Committee
-----------------------------------
General Chair
Moshe Y. Vardi, IBM Research

Program Chair
Catriel Beeri
Dept. of Computer Science
Hebrew University
Givat Ram
91 904 Jerusalem, Israel
beeri@cs.huji.ac.il
Phone:  +972-2-585-266

Program Committee

Walter A. Burkhard, UC San Diego
Edward P. F. Chan, U. Waterloo
Stavros Cosmadikis, IBM T.J. Watson
Stephane Grumbach, INRIA
Miron Livny, U. Wisconsin
Z. Meral Ozsoyoglu, CWRU
Jan Paredaens, U. Antwerpen
Allen Van Gelder, UC Santa Cruz
Gerhard Weikum, ETH Zurich
Ouri Wolfson, U. Illinois

Proceedings Editor
Kenneth A. Ross, Columbia U.

=================================
Joint SIGMOD/PODS Organizing Committee
=================================
Publicity
Susan Davidson
Dept. of Computer and Information Science
University of Pennsylvania
200 South 33rd Street
Philadelphia, PA 19104-6389, USA
susan@central.cis.upenn.edu

Registration
Patricia Carbone, APL, Johns Hopkins Univ.

Treasurer
Andre van Tilborg, Office of Naval Research

Local Arrangements
Catherine Hoover
Center for Professional Development
George Mason University
(703) 993-2090

Sandra Mayo
Information and Software Systems Engineering
George Mason University
4400 University Drive
Fairfax, VA 22030-4444, USA
Email:  smayo@gmu.edu
Voice: (703) 993-1640
Fax: (703) 993-1638

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