Professional services

Editorial services
Organization services
  • Program co-chair for  IEEE 2 nd International Conference on Collaboration and Internet Computing (CIC 2016), Pittsburgh, USA, October 2016.
  • Program co-chair for Research Track of the 4rd edition of IEEE International Congress on Big Data (BigData 2015), New York, USA, July 2015.
  • Program co-chair of the 8th International Conference on Network and System Security (NSS 2014),  Xi’an, China, October 15-17, 2014.
  • Program co-chair of the “application and Industry” track in the 3rd International Congress on Big Data (IEEE BigData), Anchorage, Alaska, USA, June 27 – July 2, 2014.
  • Program co-chair of the 3rd International Conference on Social Computing and its Applications (SCA) , Karlsruhe, Germany, October 2013.
  • Program co-chair of 7th VLDB International Workshop on Personalized Access, Profile Management, and Context Awareness in Databases, Riva del Garda, Italy, August 2013.
  • Program co-chair of the 8th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom’12), Pittsburgh, Pennsylvania, United States,  14-17, 2012.
  • Panel moderator for “Security and Privacy Fostering Collaboration” panel at  IEEE CollaborateCom’11, Orlando, FL, USA, October 15-18, 2011.
  • Panelist at “Security and Privacy in Mobile Cloud Computing” panel at 2nd IEEE International Workshop on Data Security and PrivAcy in wireless Networks,  in conjunction with  12th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2011), Lucca, Italy, June 20, 2011.
  • Panel co-chair for the 7th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom’11) Orlando, FL, USA, October 15-18, 2011.
  • Program co-chair of the Collaborative Communities for Social Computing (CCSocialComp 2011) in conjunction with IEEE CollaborateCom’11, Orlando, FL, USA, October 15-18, 2011.
  • Program co-chair of the Second International Workshop on Collaborative Social Network (CollaborateSN’10) in conjunction with IEEE CollaborateCom’10, Chicago, Illinois, USA, October 9-12, 2010.
  • Program chair for the 15th ACM Symposium on Access Control Models and Technologies (SACMAT) (SACMAT 2010) Pittsburg, USA, 9-11, 2010.
  • Workshop co-chair for the 6th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom’10), Chicago, Illinois, USA, October 9-12, 2010.
  • Program co-chair of the First International Workshop on Collaborative Social Network (CollaborateSN’09) in conjunction with IEEE CollaborateCom’09,Crystal City,Washington D.C., USA, November 11-14, 2009.
  • Program co-chair of the First International Workshop on Secure Service Computing (SSC’09) in conjunction with IEEE APSCC 2009, Singapore, December 7-11, 2009.
  • Tutorial co-chair for the 5th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom’09) Crystal City, Washington D.C., USA, November 11-14, 2009.
  • General chair for the 14th ACM symposium on access control models and technologies (SACMAT) (SACMAT 09) Stresa, Italy, June 3-5, 2009.
  • Tutorial co-chair for the 4th International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom’08) Orlando, FL, USA, November 13-16, 2008.
  • Program co-chair for the first International Workshop on Secure Semantic Web (SSW’08) in conjunction with the 24th International Conference on Data Engineering (ICDE’08),Cancun, Mexico, April 7-12, 2008.
  • In the organizing Commitees of the ACM Symposium on Access Control Models and Technologies (SACMAT 2003), Como, Italy.
Program Committes (….not updated….)
  • The 19th ACM Symposium on Access Control Models and Technologies(SACMAT 2014), London, Ontario, Canada, 2014.
  • The 4th ACM Conference on Data and Application Security and Privacy (Codaspy 2014), Del Rio, San Antonio, Texas, USA, 2014.
  • The 28th International Conference on Data Engineering (ICDE 2014), Chicago, USA, 2014.
  • The 9th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom 2013), Austin, Texas, USA, 2013.
  • The 33rd Annual IEEE International Computer Software and Applications Conference (COMPSAC2013), Kyoto, Japan, 2013.
  • The 7th International Conference on Network and System Security (NSS 2013), Madrid, Spain, 2013.
  • The 11th IEEE Conference on Privacy, Security and Trust (PST 2013), Tarragona, Spain, 2014.
  • The 18th ACM Symposium on Access Control Models and Technologies(SACMAT 2013), Amsterdam, The Netherlands, 2013.
  • The 28th International Conference on Data Engineering (ICDE 2012), Washington, USA, 2012.
  • The 2nd ACM Conference on Data and Application Security and Privacy (Codaspy 2011), Del Rio, San Antonio, Texas, USA,2012.
  • The 10th IEEE Conference on Privacy, Security and Trust (PST 2012), Paris, France, 2012.
  • The 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom 2012), Liverpool, United Kingdom, 2012.
  • The 13th IEEE International Symposium on Policies for Distributed Systems and Networks (Policy 2012), Carolina, Chapel Hill, USA, 2012.
  • The 17th ACM Symposium on Access Control Models and Technologies, Rutgers University (SACMAT 2012), Newark, USA, 2012.
  • The 19th ACM Symposium on Access Control Models and Technologies(SACMAT 2014), London, Ontario, Canada, 2014.
  • The 4th ACM Conference on Data and Application Security and Privacy (Codaspy 2014), Del Rio, San Antonio, Texas, USA, 2014.
  • The 28th International Conference on Data Engineering (ICDE 2014), Chicago, USA, 2014.
  • The 9th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom 2013), Austin, Texas, USA, 2013.
  • The 33rd Annual IEEE International Computer Software and Applications Conference (COMPSAC2013), Kyoto, Japan, 2013.
  • The 7th International Conference on Network and System Security (NSS 2013), Madrid, Spain, 2013.° The 11th IEEE Conference on Privacy, Security and Trust (PST 2013), Tarragona, Spain, 2014.
  • The 18th ACM Symposium on Access Control Models and Technologies(SACMAT 2013), Amsterdam, The Netherlands, 2013.
  • The 28th International Conference on Data Engineering (ICDE 2012), Washington, USA, 2012.
  • The 2nd ACM Conference on Data and Application Security and Privacy (Codaspy 2011), Del Rio, San Antonio, Texas, USA,2012.
  • The 10th IEEE Conference on Privacy, Security and Trust (PST 2012), Paris, France, 2012.
  • The 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom 2012), Liverpool, United Kingdom, 2012.
  • The 13th IEEE International Symposium on Policies for Distributed Systems and Networks (Policy 2012), Carolina, Chapel Hill, USA, 2012.
  • The 17th ACM Symposium on Access Control Models and Technologies, Rutgers University (SACMAT 2012), Newark, USA, 2012.
  • First ACM Conference on Data and Application Security and Privacy (CODASPY’10), San Antonio, TX, USA.
  • 3rd IEEE International Symposium on Trust, Security and Privacy for Emerging Applications (TSP’10), Bradford, UK, 2010.
  • 11th IEEE International Symposium on Policies for Distributed Systems and Networks (Policy 2010), Fairfax, Virginia, USA, 2010.
  • International DEXA Workshop on Web Semantics ( WebS 2010), Bilbao, Spain, 2010.
  • 5th International Conference on Availability, Reliability and Security (AReS 2010), Krakow, Poland, 2010.
  • IEEE International Conference on E-business (ICE-B), Athen, Greece, 2010.
  • IEEE International Conference on E-business ( ICE-B), Milan, Italy, 2009.
  • IEEE Asia-Pacific Services Computing Conference (APSCC 09), Singapore, 2009.
  • 7th International Joint Conference on Service Oriented Computing (ICSOC-ServiceWave), Stockholm, Sweden, 2009.
  • 4th International Conference on Availability, Reliability and Security (AReS 2009), Fukuoka, Japan, 2009.
  • International DEXA Workshop on Web Semantics ( WebS 2009), Linz, Austria, 2009.
  • 35th International Conference on Very Large Database(VLDB 2009 ), Lyon, France, 2009.
  • 18th International World Wide Web conference(WWW 2009 ),Madrid, Spain, 2009.
  • The 33rd Annual IEEE International Computer Software and Applications Conference (COMPSAC 2009), Seattle,Washington, 2009
  • 13th ACM symposium on access control models and technologies (SACMAT 2008 ), Estes Park, Colorado, USA
  • The 24th International Conference on Data Engineering (ICDE’08), Cancun, Mexico, 2008.
  • International DEXA Workshop on Web Semantics (WebS 2008), Turin, Italy, 2008.
  • The Third International Conference on Internet and Web Applications and Services (ICIW 2008) , Athens, Greece, 2008.
  • Third Internationl VLDB Workshop on Services Engineering (SEIW 2008 ), Auckland, New Zealand,2008.
  • Third International Workshop on Dependability Aspects on Data WArehousing and Mining applications(DAWAM 2008 ), Barcelona, Spain 2008.
  • The Second ACM SIGKDD International Workshop on Privacy, Security, and Trust in KDD (PinKDD’08), Las Vegas, NV, 2008.
  • The 6th International Workshop on Privacy Aspects of Data Mining (PADM 2007), Nebraska, United States, 2007.
  • The First ACM SIGKDD International Workshop on Privacy, Security, and Trust in KDD (PinKDD’07), San Jose, CA, August 2007.
  • IEEE Middleware for Web Services (MSW07) Workshop, Annapolis, Maryland, USA, 2007.
  • Second Internationl ICDE Workshop on Services Engineering (SEIW 2007 ), Instanbul, Turkey, 2007.
  • Second International Workshop Dependability Aspects on Data WArehousing and Mining applications (DAWAM 2007).
  • International DEXA Workshop on Web Semantics (WebS 2007), Regensburg, 2007.
  • IEEE International Conference on E-business (ICE-B), Barcelona, Spain, 2007
  • WEBSA 2006: Web Services-based Systems and Applications at the International Conference on Internet and Web Services (ICIW06), Guadeloupe, French Caribbean, 2006.
  • International DEXA Workshop on Web Semantics ( WebS 2006), Munich, 2006.
  • IEEE Middleware for Web Services (MSW06) Workshop, Hong Kong, 2006. 2007.
  • IEEE International Conference on E-business (ICE-B), Setubal, Portugal, 2006.
  • IEEE Conference on Privacy, Security and Trust (PST 2006), Ontario, Canada.
  • International Conference on Wireless and Mobile Communications (ICWMC06), Bucarest, Romania.
  • IADIS Database Systems 2006 (DS2006 )
  • International DEXA Workshop on Web Semantics ( WebS), Copenhagen, 2005.
  • IEEE International Conference on e-Technology, e-Commerce and e-Service (EEE05), Hong Kong, Japan, 2005
  • IEEE International Conference on Cooperative Information Systems (CoopIS 2005), Agia Napa, Cypro, 2005.
  • IEEE International Conference on Services Computing (SCC 2005 ), Orlando, USA, 2005.
  • IEEE Middleware for Web Services (MSW05) Workshop, Enschede, Netherlands, 2005.
  • IEEE International Workshop on Business Services Networks (BSN 2005), Hong Kong, Japan, 2005.
  • International Conference on Cooperative Information Systems (CoopIS 2004), Larnaca, Cypro, 2004.
  • 9th ACM Symposium on Access Control Models and Technologies (SACMAT 2004), Yorktown Heights, USA, 2004.