Plenary Lecture

Qualitative Judgment Dynamics for Trust Management in Pervasive Computing Environments

Assoc. Prof. Dr. Denis Trcek
Laboratory of e-media
Faculty of computer and information science
University of Ljubljana
Tržaška cesta 25, 1000 Ljubljana
SLOVENIA
Email: denis.trcek@fri.uni-lj.si
Web site: http://www.fri.uni-lj.si/si/katedre_in_laboratoriji/informatika/e-mediji/

Abstract: Trust management is turning out to be essential for further and wider acceptance of contemporary IT solutions. In IT world it was first addressed some ten years ago when the suggested approaches were actually tackling security and not trust directly. Later, more advanced methodologies emerged that were based on Bayesian statistics. These were followed by Dempster-Shafer theory of evidence and its derivative, subjective logic (algebra). In addition, some attempts were made that were based on game theory.
However, trust is a manifestation of reasoning and judgment processes. It has to be treated in line with this fact and has to be adequately supported from technological point of view. Therefore, on the basis of our experiments, a new methodology called qualitative judgment dynamics (QJD) has been developed, which addresses the core of trust phenomenon. It complements existing methodologies and, together with the appropriate conceptual model, enables technological solutions for trust management in pervasive computing environments.


Brief Biography of the Speaker:

• PhD in the field of communications security, received in 1995 from University of Ljubljana, Slovenia / EU.

• Associate Professor of computer and information science, gives courses on e-business at Faculty of Computer and Information Sciences, University of Ljubljana, and courses on computer communications and IS security at the University of Primorska.

• Almost 20 years involved in computer communications, IT and IS, computer communications, security, e-business.

• Author of scientific monograph Managing IS Security and Privacy, published by renowned publisher Springer in 2006.

• Invited speaker at PKI Invitational Workshop, organized by US Security Information Program Management Office, NIST and MITRE Corp., September 1995, Washington D.C.

• Involved in EU projects (also as a national coordinator) COST 225, COST 330, COST 263, NetLINK CEE.

• Establishment of the first IP connection and its management in 1991. One of the key persons that contributed to establishment of the Slovene Academic Research Network ARNES.

• Project leader for user security policy for internet banking services of the biggest Slovene bank NLB, project leader for IS implementation for the Slovene National Gallery, consultant for security architecture of a nationwide project of smart-card based health care information infrastructure (the first nation-wide implemented project of that kind in the world).

• 100+ items in bibliography (including journals with SCI JCR impact factor / WoS).

• 30 published communications (scientific conferences like IEEE, IFIP, Internet Society, US National Information Systems Security Conference...).

• Contributor to 3 scientific books, published by Springer Verlag, John Willey and Idea Group Publishers Inc., author of 2 university textbooks.

• Inventor of a crypto-protocol for hash functions based authentication and key exchange (patent granted in 2005).

• Editorial board member of International Journal of Computers and Applications, ACTA Press, 2004 - 2005.

• Member of program committees of IASTED Software Engineering 05, 06 and 07, Complex Systems in e-Business / CSeB 04 & 05, Workshop on Applications of Wireless Communications - WAWC04 (scientific conferences).

• Regular reviewer for high ranking scientific journals published by Elsevier, IEEE, etc.

• Member of IEEE, IASTED Technical Committee on Parallel and Distributing Computing and Systems, and System Dynamics Security SIG.