editorial board member
- Program chair:
- ITASEC18, ASONAM 2017, CIC2015, ICDE 2014, SCC 2014
- 3rd IFIP International Conference on Trust Management (TM’09), Purdue University, West Lafayette, USA, June 2009
- Second ACM SIGKDD International Workshop on Privacy, Security, and Trust in KDD, Las Vegas, NV, August 2008
- First ACM SIGKDD International Workshop on Privacy, Security, and Trust in KDD, San Jose, CA, August 2007
- 9th ACM Symposium on Access Control Models and Technologies (SACMAT’04), Yorktown Heights, USA
- 1st COMPSAC Workshop on Web Security and Semantic Web, Oxford, United Kingdom, August 2002
- 1st ECOOP Workshop on XML and Object Technology (XOT 2000), Sophia Antipolis, France, June 2000
- 1st ECOOP Workshop on Object-oriented Databases, Sophia Antipolis, France, June 2000
- Steering Committe Chair: ACM SACMAT
- Applications Track Chair, AIMS 2017
- Application Track Chair: ICWS2016
- Area Chair Services Security and Privacy: ICWS2016, ICWS 2015
- Area Chair Privacy and Security, ICDE 2012
- Workshop Chair, 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT’2012), Izmir, Turkey, July 2012.
- Software Demonstration Chair, 9th International Conference on Extending Database Technology (EDBT’04), Crete, Greece, March 2004
- General Chair 10th and 8th ACM Symposium on Access Control Models and Technologies
- Co-editor of the Special Issue on Identity, Privacy, and Deception in Social Networks, IEEE Internet Computing, March/April 2014.
- Co-editor of the Special Issue on Secure and Privacy-aware Data Management, Distributed and Parallel Databases Journal, Springer, 32(1), 2014.
- Co-editor of the Special Issue on Data and Application Security, IEEE Transactions on Dependable and Secure Computing (TDSC), 9(5), Sept-Oct 2012.
- Area Editor (Database Security and Privacy), Encyclopedia of Database Systems, Springer, 2009.
- Co-editor of the Special Issue on Data and Application Security, International Journal of Information and Computer Security (IJICS), 2(4), 2008.
- Co-editor of the Special Issue on Privacy Preserving Data Management, VLDB Journal, 15(4), 2006.
- Editor of the Special Issue on Access Control Models and Technologies, ACM Transactions on Information and System Security, 8(4), 2005.
pc member (recent)
- CODASPY 2018, EDBT 2018, KDD 2018, SACMAT 2018, CLOUD2018, SCC2018,ICWS2018, CIKM2018,ASONAM2018, ICDCS2018.