Track Editorial Handheld Computing (HHC)

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					                                   Editorial Message

               Special Track on Handheld Computing
         Qusay H. Mahmoud (Co-Chair)                       Zakaria Maamar (Co-Chair)
        Computing and Information Science                 College of Information Systems
              University of Guelph                               Zayed University
         Guelph, ON, N1G 2W1 Canada                        P.O. Box 19282 Dubai, UAE

Handheld computing is an emerging mobile computing paradigm that promotes using handheld
wireless devices (or mobile devices) such as cellular phones and Personal Digital Assistants
(PDAs) to accomplish various computing tasks. As handheld devices continue to appear in many
forms with diverse functionalities, handheld computing will become the dominant computing
paradigm in many fields including education, enterprises, and healthcare.

The aim of this special track is to bring together researchers and practitioners who are active in
this research area to meet and share their findings and experiences. The topics of the track
emphasize the design, implementation, evaluation, and applications of handheld computing.

In response to the call for papers for this special track, we received sixteen papers. Using a blind
review process, and based on reviewers’ feedback, we have selected six papers for presentation
and publication in the conference proceedings. The final program covers an interesting mix of
papers with a wide range of innovative ideas.

To this end, Jörg Roth presents “Detecting Identifiable Areas in Mobile Environments”. This
paper discusses the importance of location-based applications for mobile users. To support the
development of such applications, Roth introduces the Nimbus framework that hides specific
details of positioning systems and provides as well uniform outputs containing physical as well as
symbolic location information.

In “Extending the Location API for J2METM to support friend finder services”, David Parsons
proposes some extensions to the location API for J2ME. Demonstrated using a simulation
environment, these extensions would enable “friend-finder” type applications to be supported in a
client centric manner.

In “Field Study on Methods for Elicitation of Preferences using a Mobile Digital Assistant for a
Dynamic Tour Guide”, Ronny Kramer, Marko Modsching, and Klaus ten Hagen highlight
methods for eliciting user preferences in a dynamic tour guide application. According to Kramer
et al., the challenges are to capture these preferences using a mobile device. To this end, the
authors evaluated three methods by computing the correlation between the tourists and the
algorithms’ ratings. Some of the questions that emerged during the evaluation are how do
personalized tours affect the spatial behavior of tourist?

In “Interactive Mobile 3D Graphics for On-the-go Visualization and Walkthroughs”, Maria
Andréia F. Rodrigues, Rafael G. Barbosa, and Nabor C. Mendonça state that developing
interactive 3D graphics for mobile Java applications is now a reality. For instance the Mobile 3D
Graphics (M3G) API was recently proposed to provide an efficient 3D graphics environment

suitable for the J2ME platform. However, Rodrigues et al.’s concern is to develop interactive 3D
graphics standards for resource-constrained handheld devices. Therefore, they propose a generic
architecture for visualizing and navigating through 3D worlds in a mobile setting.

In “Personalization and Visualization on Handheld Devices”, Dongsong Zhang, George
Karabatis, Zhiyuan Chen, Boonlit Adipat, Liwei Dai, and Zhenxue Zhang address the problem of
visualizing information on small screens of handheld devices by proposing an approach that
integrates personalization and visualization techniques. Personal user profiles are used to filter
out unnecessary information from being transferred to the handheld device. A combination of
fish-eye and semantic zooming techniques enables users to visualize large amounts of data on a
small screen. A prototype implementation of the approach is built in a mobile financial

In “Ubicomp Assistant: An Omnipresent Customizable Service using MARKS (Middleware
Adaptability for Resource Discovery, Knowledge Usability and Self-healing)”, Moushumi
Sharmin, Shameem Ahmed, and Sheikh I. Ahamed present the details of the Ubicomp Assistant
(UA) that is designed as an omnipresent customizable service that can be used by different types
of users in different fields such as education, healthcare, marketing, or business at any time, and
at any place.

Last but not least, we would like to take this opportunity to thank everyone involved in the special
track on Handheld Computing. First, we would like to thank the authors for their paper
contributions. We are grateful to the Program Committee for the fabulous job they did in
evaluating papers and providing their recommendations for acceptance and rejection. Finally, we
would like to thank the Program Chairs Roger L. Wainwright and Sascha Ossowski for their help
and guidance throughout the preparation of this track.

We wish you an exciting conference, an interesting handheld computing session, and an
unforgettable stay in Dijon, France.


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