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--------------------------------------------------------
    ** DEADLINE EXTENDED TO AUGUST 30, 2004 **

HUMAN-COMPUTER INTERACTION ISSUES IN PROACTIVE COMPUTING
         One-day Workshop at NordiCHI'04
       Tampere, Finland, Sunday 24 Oct 2004
       www.hiit.fi/uerg/nordichi04-proactive
-------------------------------------------------------


As computers are proliferating our everyday environments, technology-
enthusiasts have envisioned that computers should work more together to
leverage a greater net benefit for users. Advances in input and output
technologies, low-power computing, intelligent middleware and operating
systems, and sensor and wireless networks form the technological backbone
of these visions. Even though much of the seminal research at places like
Xerox PARC sprung out of user-oriented concerns, most advances in this area
have not been driven by user needs. However, this is an increasingly
important area in HCI. Issues like privacy and trust, multitasking and
interruptions, personalization and configurability, and identity and roles
are receiving more and more attention. To address these issues, different
approaches to design have been put forward by prominent researchers.

Proactive computing believes in shadowing the user and inferring her
interests and capabilities, and using this knowledge to act on behalf of
(or pro) the user. The premise is that human behavior is regular enough to
be learned and predicted.

The proposed proactive services range from resource preparation and
optimisation to higher-level decision-making. It has been argued that
without proactivity, pervasive computing leads to a situation where the
user must monitor and control several computing processes simultaneously.
As users' cognitive resources are severely limited, the multitasking
situation easily results in disruption and loss of control.

WORKSHOP THEME
--------------
Proactivity has, quite naturally, provoked critical voices from the HCI
society. Depriving the user from control does indeed run counter to the
heuristics of interaction design that aim for user empowerment and control.
Several novel HCI questions have risen that are specific to the proactive
computing endeavour and need to be solved. The workshop seeks high quality
papers related to all aspects of proactivity and human-computer
interaction. The topics to be contributed to at the workshop include, but
are not limited to:

- User needs for proactive computing. What is proactivity good
  for, and what is it not suitable for?
- Trust. What is required for the user to trust in a computer
  working on behalf of her?
- Representing proactive logic. Representing and visualizing
  the proactive logic is essential for design goals like transparency,
  veridicality, and predictability.
- User control. What are the best means for controlling proactive
  computers and agents?
- UI Design. What kind of manipulation and feedback mechanisms do
  users need, at what levels, how often, and how should feedback be
  manifested? How can we design user interfaces that take advantage of
  all the human senses, as well as our inherent skills in moving about
  in the real world and manipulating real things?
- User-centered design processes for proactive systems. Are there
  special requirements stemming from proactivity for user-centered
  design processes?

GOALS AND CONTRIBUTION OF THE WORKSHOP
--------------------------------------
Goals of the workshop are 1) to elicit critical conditions and requirements
for successful proactivity, 2) to explore design implications, 3) to bring
together people in different disciplines to discuss and address the issue,
and 4) to bring together researchers and practitioners to better inform
both research and practice.

INTENDED AUDIENCE
-----------------
The workshop will provide a forum for researchers and practitioners
interested in HCI aspects of proactivity to present their work and ideas.
On one hand, researchers would provide views of their own and their
respective discipline's contribution to understanding of the issues. On the
other hand, it is expected that practitioners could, based on their
experience, consider identifying requirements and designs for proactive
systems and provide insights and scenarios from the industry. We envisage a
number of participants of around 15, although some limited places may be
available for people who have not submitted papers.

OUTCOMES AND DISSEMINATION OF RESULTS
-------------------------------------
The workshop organizers intend to publish workshop proceedings from the
papers accepted to the workshop and prepare a poster to be presented in the
conference based on the lessons learned during the workshop. We will
approach a journal publisher to propose a special issue on the workshop
topic.

SUBMISSION GUIDELINES
---------------------
We invite papers (4-8 pages) formatted according to the ACM template (as
available at http://sigchi.org/chi2004/res/CHI04PubsFormat.doc).
Submissions should be sent to directly to the organizers.

All papers will be selected on the basis of their relevance, quality and
ability to stimulate discussion.

IMPORTANT DATES (UPDATED)
---------------
New submission deadline:     August 30
Notification of acceptance:  September 6
Camera-ready papers:         September 13, 2004

Details may change. The latest information can be found from the workshop
website at www.hiit.fi/uerg/nordichi04-proactive/

ORGANIZERS
----------
Peter Ljungstrand*, Antti Oulasvirta**, and Antti Salovaara**

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{antti.oulasvirta, [log in to unmask]

*  PLAY, Interactive Institute, Interaction Design,
   Chalmers University of Technology, Sweden
** Helsinki Institute for Information Technology, Finland

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