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			CALL FOR PAPERS:

	    USENIX SUMMER 1993 TECHNICAL CONFERENCE

			CINCINNATI, OHIO

		        JUNE 21 -25, 1993

THEME

A little over ten years ago UNIX encountered the bitmap display
and the mouse.  Developments since then, such as the X window
system,  didn't try to change UNIX. Rather they layered on it
to cope with the demands of the new user interface technology.
After ten years this doesn't look like a successful strategy;
UNIX hardly has industry-leading user interfaces and a horde of
new user interface technologies are arriving.

Radical thinking and new operating system capabilities are needed to
support new user interface technologies.  Communicating with the
user is a real-time problem,  why aren't we using the emerging
real-time capabilities of UNIX to support it?  Are UNIX byte-string
files adequate,  or do we need a generalized file attribute
model?  Can users really navigate a file name space that is a rooted
tree of all the files in the Internet?

As usual, USENIX is interested in papers describing new and
interesting developments in open operating systems.  But in Cincinnati
we're particularly interested in papers addressing the the evolution
of operating systems to support new and effective user interfaces.

KEYNOTE SPEAKER

Our keynote speaker, Bruce Tognazzini, has been a long-time customer of
the operating system support for the user interface.
He has been designing man-machine interfaces for better
than 30 years.  He spent the last 14 years at Apple where he led at
various times both the Apple II and Macintosh human interface efforts
before moving to SunSoft earlier this year.  During his most recent
tenure in the Evangelism group at Apple, he wrote what the author and
his mom have both described as a major new publication in the field of
human-computer interaction, "Tog on Interface".

PROGRAM COMMITTE

David S. H. Rosenthal	SunSoft Inc	(Program Chair)
Matt Blaze		AT&T Bell Laboratories
Nathaniel Borenstein	Bellcore
Bob Gray		U.S. West Advanced Technologies
Steve Kleiman		SunSoft Inc
Kirk McKusick		University of California at Berkeley
Jeff Mogul		Digital Equipment Corp.
JR Oldroyd		Instruction Set
Pat Parseghian		AT&T Bell Laboratories
Dennis Ritchie		AT&T Bell Laboratories

IMPORTANT DATES

Abstracts Due:			February 2, 1993
Notifications to Authors:	February 27, 1993
Camera-Ready Copy Due:		April 14, 1993

WORK-IN-PROGRESS REPORTS

WIP Coordinator:	Peg Schafer, BBN

Phone:			617-873-2626 E-mail: wip@usenix.org

WIP sessions provide attendees with an opportunity to present short
(typically 10 minute) talks on work which is on-going, currently under
development or is newly completed.  This year USENIX is particularly
encouraging students to present their research at the WIP sessions.
The USENIX audience provides valuable discussion and feedback.

Time for a talk may be reserved in advance (preferred) by phone or
e-mail, or on-site.

FORM OF SUBMISSION FOR REFEREED PAPERS
	
Authors of papers to be presented at the technical sessions and
published in the proceedings must submit one copy of an extended
abstract by at least two of the following methods:

-	e-mail to summer93papers@usenix.org

-	fax to (510) 548-5738 

- 	or mail to:

		Summer 93 USENIX
		USENIX Association
		2560 Ninth St,  Suite 215
		Berkeley CA 94710

by February 2nd, 1993.  Enquiries about these submissions may be
made by E-mail to david@usenix.org or to (510) 528-8649.

The schedule for reviewing submissions for the conference is very
short,  and reviewers don't have time to read full papers.  The
object of an extended abstract is to convince the reviewers that
a good paper and 25-minute presentation will result.  They need to
know that the authors:

-	are attacking a significant problem.

-	are familiar with the current literature about the problem.

-	have devised an original solution.

-	have implemented it and,  if appropriate,  characterized its
	performance.

-	have drawn appropriate conclusions about what they have learned
	and why it is important.

As at previous USENIX conferences,  papers that analyze problem areas
and draw important conclusions from practical experience are welcome.
Note that the USENIX conference,  like most conferences and journals,
considers it unethical to submit the same paper simultaneously to more
than one conference or publication,  or to submit a paper that has been
or will be published elsewhere.

The extended abstract must be 5 sides or less.  Only the first 5
sides of your submission will be sent to the reviewers.  The full paper
may be attached to the extended abstract;  it will not be sent to the
reviewers but may be helpful during final evaluation.

The extended abstract should include the abstract as it will appear in
the final paper,  and represent the paper in "short form".  Supporting
material may be in note form.  Authors should include references to
establish that they are familiar with the literature,  and if
appropriate performance data to establish that they have a working
implementation and measurement tools.

Every submission should include one additional side containing:

-	The name, surface mail address, daytime and evening phone
	numbers, E-mail address and (if available) fax number
	of one of the authors,  who will act as the contact point.

-	An indication of which,  if any,  of the authors are students

-	A list of audio/visual equipment desired beyond a microphone
	and an overhead projector.

Authors of accepted submissions will be notified by February 27, 1993.
They will receive instructions for preparing camera-ready copy of
an 8-12 page final paper,  which must be received by March 14, 1993.