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AP2PC 2005 Call For Papers - Fourth International Workshop on Agents and Peer-to-Peer Computing

Gianluca Moro gmoro at deis.unibo.it
Sun Feb 20 13:58:42 EST 2005

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Fourth International Workshop on Agents and Peer-to-Peer Computing
(AP2PC 2005)


held in AAMAS 2005
International Conference on Autonomous Agents and MultiAgent Systems
Utrecht University, Netherlands.
25 July - 29 July 2005.

Peer-to-peer (P2P) computing has attracted enormous media attention,
initially spurred by the popularity of file sharing systems such as
Napster, Gnutella, and Morpheus. Systems like BitTorrent and eDonkey
have continued to sustain that attention. The peers are autonomous, or
as some call them, first-class citizens. P2P networks are emerging as a
new distributed computing paradigm for their potential to harness the
computing power of the hosts composing the network and make their
under-utilized resources available to others. New techniques such as
distributed hash-tables (DHTs), semantic routing, and Plaxton Meshes are
being combined with traditional concepts such as Hypercubes, Trust
Metrics and caching techniques to pool together the untapped computing
power at the "edges" of the internet. These new techniques and
possibilities have generated a lot of interest in many industrial
organizations recently, and has resulted in the creation of a P2P
working group for undertaking standardization activities in this area.

In P2P computing peers and services organise themselves dynamically
without central coordination in order to foster knowledge sharing and
collaboration, both in cooperative and non-cooperative environments. The
success of P2P systems strongly depends on a number of factors. First,
the ability to ensure equitable distribution of content and services.
Economic and business models which rely on incentive mechanisms to
supply contributions to the system are being developed, along with
methods for controlling the "free riding" issue. Second, the ability to
enforce provision of trusted services. Reputation based P2P trust
management models are becoming a focus of the research community as a
viable solution. The trust models must balance both constraints imposed
by the environment (e.g. scalability) and the unique properties of trust
as a social and psychological phenomenon. Recently, we are also
witnessing a move of the P2P paradigm to embrace mobile computing in an
attempt to achieve even higher ubiquitousness. The possibility of
services related to physical location and the relation with agents in
physical proximity could introduce new opportunities and also new
technical challenges.

Although researchers working on distributed computing, MultiAgent
Systems, databases and networks have been using similar concepts for a
long time, it is only fairly recently that papers motivated by the
current P2P paradigm have started appearing in high quality conferences
and workshops. Research in agent systems in particular appears to be
most relevant because, since their inception, MultiAgent Systems have
always been thought of as networks of peers.

The MultiAgent paradigm can thus be superimposed on the P2P
architecture, where agents embody the description of the task
environments, the decision-support capabilities, the collective
behavior, and the interaction protocols of each peer. The emphasis in
this context on decentralization, user autonomy, ease and speed of
growth that gives P2P its advantages, also leads to significant
potential problems. Most prominent among these problems are
coordination: the ability of an agent to make decisions on its own
actions in the context of activities of other agents, and scalability:
the value of the P2P systems lies in how well they scale along several
dimensions, including complexity, heterogeneity of peers, robustness,
traffic redistribution, and so on. It is important to scale up
coordination strategies along multiple dimensions to enhance their
tractability and viability, and thereby to widen the application
domains. These two problems are common to many large-scale applications.
Without coordination, agents may be wasting their efforts, squander
resources and fail to achieve their objectives in situations requiring
collective effort.

This workshop will bring together researchers working on agent systems
and P2P computing with the intention of strengthening this connection.
Researchers from other related areas such as distributed systems,
networks and database systems will also be welcome (and, in our opinion,
have a lot to contribute). We seek high-quality and original
contributions on the general theme of "Agents and P2P Computing". The
following is a non-exhaustive list of topics of special interest:

- Intelligent agent techniques for P2P computing
- P2P computing techniques for MultiAgent Systems
- The Semantic Web, Semantic Coordination Mechanisms and P2P systems
- Scalability, coordination, robustness and adaptability in P2P systems
- Self-organization and emergent behavior in P2P networks
- E-commerce and P2P computing
- Participation and Contract Incentive Mechanisms in P2P Systems
- Computational Models of Trust and Reputation
- Community of interest building and regulation, and behavioral norms
- Intellectual property rights in P2P systems
- P2P architectures
- Scalable Data Structures for P2P systems
- Services in P2P systems (service definition languages, service
discovery, filtering and composition etc.)
- Knowledge Discovery and P2P Data Mining Agents
- P2P oriented information systems
- Information ecosystems and P2P systems
- Security issues in P2P networks
- Pervasive computing based on P2P architectures (ad-hoc
networks,wireless communication devices and mobile systems)
- Grid computing solutions based on agents and P2P paradigms
- Legal issues in P2P networks

The theme of the panel will be Decentralised Trust in P2P and MultiAgent
Systems. As P2P and MultiAgent systems become larger and more diverse
the risks of interacting with malicious peers become increasingly
problematic. The panel will address how computational trust issues can
be addressed in P2P and MultiAgent systems. The panel will involve short
presentations by thepanelists followed by a discussion session involving
the audience.

Paper submission:        14th March 2005
Acceptance notification: 18th April 2005
Workshop:                25-26th July 2005
Camera ready for
post-proceedings:        17th August 2005

Accomodation and workshop registration will be handled by the AAMAS 2005
organization along with the main conference registration.

Previously unpublished papers should be formatted according to the
LNCS/LNAI author instructions for proceedings and they should not be
longer than 12 pages (about 5000 words including figures, tables,
references, etc.).

A web submission interface will be provided shortly at

We encourage all authors to read the abstracts of the papers submitted
to previous workshops:




Particular preference will be given to both novel approaches and those
papers that build upon the contributions of papers presented at previous
AP2PC workshops.

Accepted papers will be distributed to the workshop participants as
workshop notes. As in previous years post-proceedings of the revised
papers (namely accepted papers presented at the workshop) will be
submitted for publication to Springer in Lecture Notes in Computer
Science series.

Program Co-chairs

Zoran Despotovic
School of Computer and Communication Sciences, E'cole Polytechnique
Fe'de'rale de Lausanne (EPFL)
CH-1015 Lausanne, Switzerland
Email zoran.despotovic at epfl.ch

Sam Joseph (main contact)
Dept. of Information and Computer Science, University of Hawaii at
Manoa, USA
1680 East-West Road, POST 309, Honolulu, HI 96822
E-mail: srjoseph at hawaii.edu

Claudio Sartori
Dept. of Electronics, Computer Science and Systems, University of
Bologna, Italy
Viale Risorgimento, 2 - 40136 Bologna Italy
E-mail: claudio.sartori at unibo.it

Panel Chair
Munindar P. Singh
Dept. of Computer Science, North Carolina State University, USA
E-mail: mpsingh at eos.ncsu.edu

Karl Aberer, EPFL, Lausanne, Switzerland
Alessandro Agostini, ITC-IRST, Trento, Italy
Sonia Bergamaschi, University of Modena & Reggio-Emilia, Italy
M. Brian Blake, Georgetown University, USA
Rajkumar Buyya, University of Melbourne, Australia
Ooi Beng Chin, National University of Singapore, Singapore
Paolo Ciancarini, University of Bologna, Italy
Costas Courcoubetis, Athens University of Economics and Business, Greece
Yogesh Deshpande, University of Western Sydney, Australia
Asuman Dogac, Middle East Technical University, Turkey
Boi V. Faltings, EPFL, Lausanne, Switzerland
Maria Gini, University of Minnesota, USA
Dina Q. Goldin, University of Connecticut, USA
Chihab Hanachi, University of Toulouse, France
Mark Klein, Massachusetts Institute of Technology, USA
Matthias Klusch, DFKI, Saarbrucken, Germany
Tan Kian Lee, National University of Singapore, Singapore
Zakaria Maamar, Zayed University, UAE
Dejan Milojicic, Hewlett Packard Labs, USA
Alberto Montresor, University of Bologna, Italy
Luc Moreau, University of Southampton, UK
Jean-Henry Morin, University of Geneve, Switzerland
John Mylopoulos, University of Toronto, Canada
Andrea Omicini, University of Bologna, Italy
Maria Orlowska, University of Queensland, Australia
Aris. M. Ouksel, University of Illinois at Chicago, USA
Mike Papazoglou, Tilburg University, Netherlands
Paolo Petta, Austrian Research Institute for AI, Austria,
Jeremy Pitt, Imperial College, UK
Dimitris Plexousakis, Institute of Computer Science, FORTH, Greece
Martin Purvis, University of Otago, New Zealand
Omer F. Rana, Cardiff University, UK
Douglas S. Reeves, North Carolina State University, USA
Thomas Risse, Fraunhofer IPSI, Darmstadt, Germany
Pierangela Samarati, University of Milan, Italy
Christophe Silbertin-Blanc, University of Toulouse, France
Maarten van Steen, Vrije Universiteit, Netherlands
Katia Sycara, Robotics Institute, Carnegie Mellon University, USA
Peter Triantafillou, Technical University of Crete, Greece
Anand Tripathi, University of Minnesota, USA
Vijay K. Vaishnavi, Georgia State University, USA
Francisco Valverde-Albacete, Universidad Carlos III de Madrid, Spain
Maurizio Vincini, University of Modena & Reggio-Emilia, Italy
Fang Wang, Btexact Technologies, UK
Gerhard Weiss, Technische Universitaet, Germany
Bin Yu, North Carolina State University, USA
Franco Zambonelli, University of Modena & Reggio-Emilia, Italy

Research Associate - University of Bologna (Italy)
Ph. D. in Computer Science Engineering
Dipartimento di Elettronica, Informatica e Sistemistica
Via Venezia, 52
I-47023 Cesena (FC)
Tel. +39 0547 339 237
Fax. +39 0547 339 208
e-mail: gmoro at deis.unibo.it


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