Changes

==Career History==

==Career History==

Since October 2003, Yuri Demchenko has been working for the (AIRG) chaired by  Prof. Cees de Laat at the University of Amsterdam. There he is contributing to the development of the Generic AAA (GAAA) Architecture in application to open collaborative environments and computer grids. His major projects include EU FP6 Project EGEE (Enabling Grid for E-Science in Europe); and the Collaboratory.nl (CNL) being developed by a consortium of the major Dutch industry players, such as Corus, DSM, FEI, Philips, and the Telematika Institute. His active topics of interest and contribution include distributed policy-based access control infrastructure, dynamic trust and policy management in SOA, virtual organisation, security architecture, and using SAML and XACML distributed authorisation. He is an active developer of Java based GAAA toolkits and contributes to the SAML and XACML multidomain authorisation profile for Web Services and Grids.

Since October 2003, Yuri Demchenko has been working for the (AIRG) chaired by  Prof. Cees de Laat at the University of Amsterdam. There he is contributing to the development of the Generic AAA (GAAA) Architecture in application to open collaborative environments and computer grids. His major projects include EU FP6 Project EGEE (Enabling Grid for E-Science in Europe); and the Collaboratory.nl (CNL) being developed by a consortium of the major Dutch industry players, such as Corus, DSM, FEI, Philips, and the Telematika Institute. His active topics of interest and contribution include distributed policy-based access control infrastructure, dynamic trust and policy management in SOA, virtual organisation, security architecture, and using SAML and XACML distributed authorisation. He is an active developer of Java based GAAA toolkits and contributes to the SAML and XACML multidomain authorisation profile for web services and grids.

He is also contributing to the research on operational security for XML Web Services and Grids, in particular developing XML Web Services and Grid security vulnerability and threat models, and further developing the Incident Object Description and Exchange Format (IODEF) in the framework of IETF INCH WG.

He is also contributing to the research on operational security for XML Web Services and Grids, in particular developing XML Web Services and Grid security vulnerability and threat models, and further developing the Incident Object Description and Exchange Format (IODEF) in the framework of IETF INCH WG.

Yuri served as the Director of the Computer Communication Center in Kiev from 1994 to 1995; prior to this Yuri worked five years as an Associate Professor at the Department of Experimental Research Automation in Kiev. From 1981 to 1988, Yuri worked as researh engineer and researh fellow of instrumentation ,and automated test and measurement systems in Kiev.

Yuri served as the Director of the Computer Communication Center in Kiev from 1994 to 1995; prior to this Yuri worked five years as an Associate Professor at the Department of Experimental Research Automation in Kiev. From 1981 to 1988, Yuri worked as researh engineer and researh fellow of instrumentation ,and automated test and measurement systems in Kiev.

He also worked as a Senior Adviser on Internet Technologies and Trends for a leading Ukrainian ISP, Global Ukraine. He continues his tutoring activity with Master students on IT and Computer Grids.  

He also worked as a Senior Adviser on Internet Technologies and Trends for a leading Ukrainian ISP, Global Ukraine. He continues his tutoring activity with Master students on IT and Computer Grids.

==References==

==References==