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Second Call For Papers

Hypertext 2009
 
The Twentieth ACM Conference on Hypertext and Hypermedia
  http://www.ht2009.org/
         
Torino, Italy, June 29 - July 1, 2009
            

SCOPE

The ACM Hypertext Conference is the main venue for high quality 
peer-reviewed research on "linking." The Web, the Semantic Web, the 
Web 2.0, and Social Networks are all manifestations of the success of 
the link. The Hypertext Conference provides the forum for all 
research concerning links: their semantics, their presentation, the 
applications, as well as the knowledge that can be derived from their 
analysis and their effects on society.

Hypertext 2008, held in Pittsburgh, was a real success. The number of 
submissions and attendees was up, a successful Student Research 
Competition took place, and a rejuvenated social linking track added 
new ideas and connections to the traditional core of the conference.

IMPORTANT DATES

* Technical tracks paper submission deadline: February 2nd, 2009
* Notification to authors: March 16th, 2009
* Camera-ready (final papers to ACM): April 6th, 2009

LOCATION AND DATES

Hypertext 2009 will be held from June 29th to July 1st at the Villa 
Gualino Convention Center, on the hills overlooking Torino.

The capital of the Piedmont region, Torino lies at the foot of the 
Alps, the majestic mountains that hosted the 2006 Winter Olympics.
First the capital of the Kingdom of Italy, then one of the European 
centers of baroque, today Torino is a dynamic city known for its 
industry, art and culture, sports, research and education, and 
cuisine.

The timing of Hypertext 2009 provides an excellent opportunity to 
visit Italy in conjunction with the International Conference on User 
Modeling, Adaptation, and Personalization in Trento (UMAP 2009 - 
http://umap09.fbk.eu/), and the International Workshop and Conference 
on Network Science in Venice (NetSci 2009 - http://www.netsci09.net/).

PROGRAM

Hypertext 2009 will feature two stellar keynote speakers: Lada Adamic 
(University of Michigan) is a noted scholar of social networking and 
the winner of the 2008 Engelbart Award; Ricardo Baeza-Yates is 
Vice-President of Yahoo! Research for Europe and Latin America, 
leading the labs in Spain, Chile, and Israel.

The attendees of Hypertext 2009 will also have a chance to experiment 
with applications mixing real-world data and on-line data. We will 
deploy active RFID tags in the badges of volunteers and run a data 
collection platform tracking the real-time relations of physical 
proximity between the attendees. The data collection and 
visualization systems will be provided by the SocioPatterns project 
(http://www.sociopatterns.org), and will expose API methods that 
allow developers to mash up real-world links between the attendees 
with other types of linking information from the Web.

In the conference technical program, professionals from academia, 
industry, and the media will present innovative ideas and tools 
exploiting the broad range of links increasingly connecting people, 
information, communities, and structures. Research topics will be 
organized into three tracks:

track 1. Information Structure and Presentation (Chairs: Peter 
Brusilovsky and Cristina Gena)
track 2. People, Resources, and Annotations (Chairs: Andreas Hotho 
and Vittorio Loreto)
track 3. Hypertext and Community (Chairs: Mark Bernstein and Antonio Pizzo)

TRACK 1: INFORMATION STRUCTURE AND PRESENTATION

Chairs:
* Peter Brusilovsky, University of Pittsburgh (USA)
* Cristina Gena, University of Torino (Italy)

The information structure and presentation track represents a 
multitude of topics, which were traditionally represented at ACM 
Hypertext Conferences. The track program targets formal study of 
scholarly, structural, sculptural, spatial, open, dynamic and 
adaptive or any other type of hypertext (or Web-based Information 
System). This track also focuses on how hypertext approaches and 
technologies can be applied to structure and present information in 
diverse domains, and how hypertext techniques can be exploited in 
classical and advanced applications. The aim of this track is to 
bring researchers together to discuss models, architecture, 
applications, properties, or theory in general, about hypertext and 
hypermedia. Topics for consideration include:

 * Hypertext models
 * Spatial hypertext
 * Information structuring
 * Hypertext and knowledge management
 * Self-organized hypertext
 * Personal information organization
 * Intelligent hypertext and link generation
 * Navigation support
 * Open hypertext
 * Web and hypertext link analysis
 * Dynamic and adaptive hypertext
 * Hypertext and web engineering
 * Interfaces and interaction with hypertexts
 * Faceted browsing
 * Social navigation
 * Hypertexts supporting Web-based collaboration
 * Hypertext and recommender systems: the role of link in recommendations
 * Hypertext applications in everyday devices (TV, mobile phone, on
board car service, etc.)
 * Educational hypertext and hypermedia
 * User evaluations of hypertext application
 * Hypertext and cultural heritage
 * E-books, kiosks, e-commerce, e-tourism
 * Hypertext application in medical and health systems

For additional information on the track and the Program Committee, 
please visit http://www.ht2009.org/track1.php


TRACK 2: PEOPLE, RESOURCES, AND ANNOTATIONS


Chairs:
* Andreas Hotho, University of Kassel (Germany)
* Vittorio Loreto, Sapienza University of Rome (Italy)

One of the most exciting recent developments in Web science is the 
rise of social annotation, by which users can easily markup other 
authors' resources via collaborative mechanisms such as tagging, 
filtering, voting, editing, classification, and rating. These social 
processes lead to the emergence of many types of links between texts, 
users, concepts, pages, articles, media, and so on. We welcome 
submissions on design, analysis, and modeling of information systems 
driven by social linking. Topics of interest include but are not 
limited to:

 * Applications to search, retrieval, recommendation, and navigation
 * Explicit vs. inferred social links (e.g. mining query logs)
 * Integration of different social networks (e.g. links between blogs
and bookmarking systems)
 * Socially induced measures of similarity, relatedness, or distance
 * Co-evolution of social, information, and semantic networks
 * Analysis of the structure and the dynamics of social information networks
 * Behavioral patterns of social linking
 * Linguistic analysis of social annotation spaces
 * Formal and generative models of social annotation
 * Unstructured vs. structured social knowledge representations
 * Implementation and scalability of social link representations
 * Automatic and user-based evaluation
 * Emergent semantics in social networks
 * Robustness against spam and other forms of social abuse
 * Design of collaborative annotation mechanisms
 * Critical mass and incentives of social participation (e.g. games)
 * User interfaces for collaborative annotation

For additional information on the track and the Program Committee, 
please visit http://www.ht2009.org/track2.php


TRACK 3: HYPERTEXT AND COMMUNITY


Chairs:
* Mark Bernstein, Eastgate Systems, Inc. (UK)
* Antonio Pizzo, University of Torino (Italy)

The Hypertext and Community track will explore, examine, and reflect 
upon social cyberculture in electronic media, ranging from literary 
fiction and creative scholarship to blog and microblog networks, 
social sites, games, auctions, and markets. Topics will include:

 * Hypertext literature
 * Theory and practice of expression in wikis, weblogs, and social spaces
 * Personal journals, weblogs, and social media
 * Net art, literary hypertext, interactive fiction, and games
 * Behavioral patterns of social linking

For additional information on the track and the Program Committee, 
please visit http://www.ht2009.org/track3.php


SUBMISSIONS

Papers must report new results substantiated by experimentation, 
simulation, analysis, or application. Authors are invited to submit 
papers presenting original, not previously published works. 
Submission categories may include regular research papers (max 10 
pages) discussing mature work, and short papers (max 5 pages) 
describing preliminary results of on-going work or novel 
thought-provoking ideas.

All submissions should be formatted according to the official ACM SIG 
proceedings template 
(http://www.acm.org/sigs/publications/proceedings-templates) and 
submitted via EasyChair 
(http://www.easychair.org/conferences/?conf=ht2009). Accepted papers 
will appear in the Hypertext 2009 Conference Proceedings and also be 
available through the ACM Digital Library.

DEMOS AND INDUSTRIAL SESSION

Technical demonstration of new tools and innovative applications of
hypertext are solicited. One-page demo descriptions, including a list
of any required supporting equipment, should be sent to by e-mail to
Giancarlo Ruffo, Demo Chair ([log in to unmask]).

Important Demos Dates:

 * March 30th, 2009: Submission of proposals
 * April 15th, 2009: Notification to proposers
 * June 29th, 2009: Demo day


WORKSHOPS

ACM Hypertext 2009 will be running at least two workshops, taking 
place on the 29th of June before the start of the main conference.  
The purpose of the workshops is to provide a more informal setting 
where participants can exchange ideas on a focused topic and suggest 
directions for future research.  As such, they also offer a good 
opportunity for (young) researchers to present their work and to 
obtain feedback from an interested community.  Further information on 
accepted workshops will be found on the conference website.

ORGANIZATION


GENERAL CO-CHAIRS:
Ciro Cattuto (ISI Foundation, Torino) and Giancarlo Ruffo (University 
of Torino)

PROGRAM CHAIR:
Filippo Menczer (Indiana University)

WORKSHOPS CO-CHAIRS:
Santo Fortunato (ISI Foundation, Torino) and Rossano Schifanella
(University of Torino)

TREASURER:
Roberto Palermo (ISI Foundation, Torino)

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