Workshop on Trust, Security, and Reputation on the Semantic Web

Hiroshima, Japan, November 7, 2004
in conjunction with the International Semantic Web Conference 2004

Workshop Outline

A suitable security infrastructure is crucial for commercial and
mission critical applications in distributed environments. Without the
means for specifying and enforcing policies and access control
constraints, distributed resources and services are not protected
against misuse in an open environment. Additionally, as distributed
data on the Semantic Web is authenticated and aggregated for
applications, the need to determine the trustworthiness of statements
and those who made them becomes important.  These two aspects of trust
- security and reputation - will come together to form the foundation
for the Web of Trust as the Semantic Web advances.

Recent research has begun to explore these issues in more depth, and
first promising approaches for trust, trust management, and trust
negotiation have started to emerge which use semantic web technologies
and enable widespread distribution of resources and cooperation of
autonomous agents on the Web in a secure way. Ontologies, rule
languages, semantic web reasoning, and public key infrastructures are
important ingredients of this infrastructure to enable distributed
peers to negotiate access to distributed resources and services. Trust
management and propagation allows users and distributed agents to
establish trust in a dynamic network of autonomous peers.

This workshop will bring together researchers from different
communities to examine cutting-edge approaches towards the
establishment of these security, trust, and reputation
infrastructures. The emphasis will be to advance and integrate
security and trust related research from the semantic web, logical
reasoning, grid, agent, peer-to-peer, and web services.

The workshop will include both presentations of research papers and
demonstrations of implemented systems. We envisage a wide variety of
contributions both from the area of traditional security and access
control research as well as from the area of reputation propagation
and social network theory. We will therefore have a panel discussion
specifically on the issue of integrating security and digital
signature infrastructures with trust and reputation propagation
mechanisms, as well as allocate ample time for general discussion.


Workshop topics include, but are not limited to, the following:

    * rule-based policies, contracts and business rules
    * natural-language and visual interfaces for policy languages
    * rules and ontologies for security, trust and privacy
    * digitally signed RDF
    * security requirements engineering
    * trust establishment and automated trust negotiation
    * decentralized trust infrastructures for semantic web and grid
    * trust metrics and models
    * trust and provenance
    * trust and reputation management and propagation
    * friends of a friend networks / FOAF
    * distributed computation of trust
    * security and trust for agents, peer-to-peer, grid and web services
    * case studies on security and trust applications


The committee solicits submissions of full research papers as well as
demo and poster submissions. Full submissions should be up to 10
pages, and demo and poster submissions should be no more than 5
pages. Submissions should conform to Springer LNCS style, which is the
default ISWC'04 style.

    * July 16, 2004: submission deadline
    * September 9, 2004: notifications of acceptance
    * September 30, 2004: final paper version due, registration deadline 


The workshop will be held at the 3rd International Semantic Web
Conference (ISWC) on 7 November, 2004 in Hiroshima, Japan.

Organizing Committee
Piero Bonatti (University of Naples)
Jennifer Golbeck (University of Maryland)
Wolfgang Nejdl (L3S and University of Hannover)
Marianne Winslett (University of Illinois at Urbana-Champaign)

Program Committee

Ronald Ashri (University of Southampton)
Jim Basney (NCSA)
Elisa Bertino (Purdue University)
Chris Bizer (FU Berlin)
Piero Bonatti (University of Naples)
Jeff Bradshaw (IHMC)
Dan Brickley (W3C)
Grit Denker (SRI)
Norbert Fuchs (Uni Zurich)
Yolanda Gil (ISI and USC)
Jennifer Golbeck (University of Maryland)
Benjamin Grosof (MIT)
Lalana Kagal (UMBC)
Manolis Koubarakis (Technical University of Crete)
Georg Lausen (University of Freiburg)
Sergio Marti (Stanford University)
Paolo Massa (University of Trento)
Fabio Massacci (University of Trento)
Wolfgang Nejdl (L3S and University of Hannover)
Daniel Olmedilla (L3S and University of Hannover)
Terry Payne (University of Southampton)
Matthew Richardson (University of Washington)
Pierangela Samarati (University of Milano)
Mario Schlosser (McKinsey)
Kent Seamons (BYU)
Katia Sycara (CMU)
Von Welch (NCSA)
Marianne Winslett (UIUC)