Professional Activities

Steering Commitee member for
  • International Workshop on Algorithmic Aspects of Cloud Computing (ALGOCLOUD), 2015, 2016.
  • The ACM/USENIX/IFIP Middleware Conference (2012–2015).
Program Committee co-chair / area-vice chair oR ORGANIZER for
  • Lead Guest Editor – Special Thematic Series on Big Data, Journal of Internet Services and Applications, Springer, 2015 and 2016.
  • Organizing Committee for the ACM CIKM 2015 Workshop on Understanding the City with Urban Informatics, Oct 2015.
  • PC co-chair: the 2015 International Workshop on Algorithmic Aspects of Cloud Computing  (ALGOCLOUD), September 2015.
  • PC co-chair: the 13th ACM/USENIX/IFIP Middleware Conference, Dec. 2012.
  • PC co-chair: 11 Web Information Systems Engineering Conference, WISE Dec. 2010.
  • PC chair: Middleware Doctoral Symposium 2009.
  • PC Vice Chair: the 24th International Conference on Data Engineering (ICDE08), for the area Distributed, Parallel, and Peer-to-peer Databases.
  • PC chair: the 5th Hellenic Data Management Symposium, Sept. 2006.
PC Memberships
  • The 34th IEEE International Conference on Data Engineering, ICDE18 April 2018.
  • The PhD Symposium at ACM/USENIX/IFIP Middleware Conference, Dec. 2017.
  • The 20th Conference on Extending DataBase Technology, (EDBT17) March 2017.
  • The 6th International Workshop on Querying Graph Structured Data, (GraphQ17), collocated with EDBT’17.
  • The 16th ACM/USENIX/IFIP Middleware Conference, Dec. 2016.
  • The ACM SIGMOD Conference  (Reproducibility), 2016.
  • The ACM SIGMOD Conference  (Tutorials), June 2016.
  • The 19th Conference on Extending DataBase Technology, (EDBT16) March 2016.
  • The ACM SIGMOD Conference  (Reproducibility), 2015.
  • The 16th ACM/USENIX/IFIP Middleware Conference, Dec. 2015
  • The ACM International Conference on Distributed Event-Based Systems, DEBS15, June 2015.
  • 5th Temporal Web Analytics Workshop (TempWeb 2015), in conjunction with WWW 2015, May 18, 2015.
  • The 18th Conference on Extending DataBase Technology, (EDBT15) March 2015.
  • The 15th ACM/USENIX/IFIP Middleware Conference, Dec. 2014.
  • The ACM International Conference on Distributed Event-Based Systems, DEBS14, June 2014
  • The 13th Web Information System Engineering Conference (WISE 2014), 2014
  • The 4th Temporal Web Analytics Workshop (TempWeb 2014), in conjunction with WWW 2014, April 2014.
  • The International Conference on Principles of Distributed Systems, (OPODIS), December 2013.
  • The 14th ACM/USENIX/IFIP Middleware Conference, Dec. 2013.
  • The 3rd Temporal Web Analytics Workshop (TempWeb 2013), in conjunction with SIGIR 2013.
  • the ACM Distributed Event Systems Conference, 2013.
  • the IEEE International Conference in Distributed Computing Systems, ICDCS 2013.
  • the 6th Biennial Conference on Innovative Data Systems Research CIDR2013, Jan. 2013.
  • the 38th International Conference on very Large Data Bases, VLDB12 Experiments and Analyses Track, Aug. 2012.
  • the 2nd Temporal Web Analytics Workshop (TempWeb 2012), in conjunction with WWW 2012, April 2012
  • the 13th Web Information System Engineering Conference (WISE 2012), 2012.
  • the 38th International Conference on Very Large Data Bases, VLDB12, Research Track, Aug. 2012.
  • the 24th International Conference on Scientific and Statistical Database Management, SSDBM, June, 2012
  • the 13th ACM/USENIX/IFIP Middleware Conference, Dec. 2012. Program Committee co-chai.
  • the 12th Web Information System Engineering Conference (WISE 2011), 13-15 October 2011.
  • the 11th Hellenic Data Management Symposium, June 2011.
  • the IEEE International Conference on Distributed Computing and Systems, June 2012 (ICDCS12), Track on Fault-Tolerance and Dependability.
  • the 12th ACM/USENIX/IFIP Middleware Conference, Dec. 2011.
  • the 1st International Temporal Web Analytics Workshop (TWAW), March 2011, in conjunction with the World Wide Web Conference (WWW2011).
  • the International Conference on Distributed Computing and Systems, June 2011 (ICDCS11).
  • the International Conference on extending Data Base Technology, March 2011 (EDBT 2011).
  • the 9th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE 2010), Oct. 2010.
  • the 11th ACM/USENIX/IFIP Middleware Conference, Dec. 2010.
  • the ACM/USENIX/IFIP Middleware Doctoral Symposium, Dec. 2010.
  • PC chair (Europe), 2010 International Conference on Web Information Systems Engineering (WISE10).
  • 29th Annual ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing (PODC’2010).
  • the International Conference on extending Data Base Technology, March 2010 (EDBT 2010).
  • the 4th ACM International Conference on Distributed Event-Based Systems, DEBS10, June 2010.
  • ACM/USENIX Middleware Doctoral Symposium 2009: Program Committee chair.
  • the 26th IEEE International Conference on Data Engineering, March 2010 (ICDE 2010).
  • the 10th ACM/USENIX Middleware Conference, Dec. 2009.
  • the 3rd ACM International Conference on Distributed Event-Based Systems, DEBS09, July 2009.
  • the 9th IEEE Conference on Peer-to-Peer Computing (P2P2009), Sept. 2009.
  • the Location-based services (LBS) and applications” (LBSA) in conjunction with ICPP’09 – The 2009 International Conference on Parallel Processing, Sept. 2009.
  • the 12th International Conference on Extending Data Base Technology, March 2009 (EDBT 2009) .
  • the 25th IEEE International Conference on Data Engineering, March 2009 (ICDE09).
  • the International Workshop on Databases, Information Systems and Peer-to-Peer Computing, DBISP2P, Sept, 2008 (collocated with VLDB-2008).
  • the 6th Workshop on Large Scale Distributed Systems for Information Retrieval, (LSDSIR08), Oct. 2008 (with ACM CIKM08).
  • the 8th Hellenic Data Management Symposium, HDMS08, July 2008.
  • the 8th IEEE Conference on Peer-to-Peer Computing (P2P2008), Sept. 2008.
  • the 9th ACM/USENIX Middleware Conference, Dec. 2008.
  • the 11th International Conference on extending Data Base Technology, EDBT 2008, March 2008.
  • the 24th IEEE International Conference on Data Engineering (ICDE 2008). Vice-chair for the PC of ICDE 2008 for the sub-area: Distributed, parallel, Peer to Peer databases.
  • the International Workshop on Databases, Information Systems and Peer-to-Peer Computing, DBISP2P, Sept, 2007 (collocated with VLDB-2007).
  • the Panhellenic Conference on Informatics, 2007.
  • the 7th Hellenic Data Management Symposium, 2007.
  • the 8th ACM/USENIX Middleware Conference, Nov. 2007.
  • the 7th IEEE Conference on Peer-to-Peer Computing (P2P2007).
  • the Database Management and Application over Networks (DBMAN 2007) workshop.
  • the 4th International Conference on Autonomic and Trusted Computing, July 2007.
  • the P2P Systems for Collaboration Workshop, in conjunction with the CTS 2007 Symposium.
  • the 1st International Conference on Distributed Event-Based Systems, DEBS07, June 2007.
  • the Database and Expert System Applications, International Conference, DEXA 2007.
  • the International Workshop on Databases, Information Systems and Peer-to-Peer Computing, DBISP2P, Sept, 2006 (collocated with VLDB-2006).
  • the International Workshop on Agents and Peer-to-Peer Computing, AP2PC06, collocated with the Autonomous Agents and Multi-Agent Systems (AAMAS) May 2006.
  • the Fifteenth ACM Conference on Information and Knowledge Management, CIKM06, Nov 2006.
  • the 6th IEEE International Conference on P2P Computing, August 2006 .
  • the 5th Hellenic Data Management Symposium, 2006 – Program Chair.
  • the twelfth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, KDD-2006, Aug. 2006.
  • the International Conference on Extending DataBase Technology, EDBT, March 2006.
  • the 32nd International Conference on Very Large Data Bases, VLDB 2006, Sept. 2006.
  • the ACM/IFIP/USENIX International Middleware Conference, Middleware 2005, (Dec. 2005).
  • the 6th International Workshop on Advanced Parallel Processing Technologies, October 2005).
  • the 5th IEEE International Conference on Peer-to-Peer Computing, P2P2004, (August 2005).
  • the 3rd International Workshop on Databases, Information Systems and Peer-to-Peer Computing, DBISP2P 2005, (August 2005).
  • Hellenic Data Management Symposium, (2005).
  • the Demonstrations Track of the VLDB 2005 International Conference, (August 2005).
  • the IEEE International Conference on Pervasive Services, (July 2005).
  • the International Workshop on Agents and Peer-to-Peer Computing, AP2PC05, collocated with the Autonomous Agents and Multi-Agent Systems AAMAS, (July 2005).
  • the 4th International ACM Workshop on Data Engineering for Wireless and Mobile Access, MobiDE’05, collocated with the ACM SIGMOD conference, (June 2005).
  • the International Workshop on “Distributed Event-Based Systems”, DEBS 2005, collocated with ICDCS-2005, (June 2005).
  • the IEEE International Conference on Data Engineering, ICDE05, (March 2005).
  • The Sixth International Conference on Web Information Systems WISE 2005.
  • 5th IEEE Workshop on Algorithms for Wireless, Mobile, Ad Hoc and Sensor Networks, held jointly with IPDPS 2005.
  • the 10th Panhellenic Conference on Informatics, 2005.
  • the 2nd International Workshop on Metadata Management in Grid and P2P Systems, (December 2004).
  • the “ACM/IFIP/USENIX International Middleware Conference”, ACM Middleware, (October 2004).
  • 2nd International Workshop on Databases, Information Systems, and Peer-to-Peer Computing, collocated with VLDB 2004, (September 2004).
  • 4th IEEE International Conference on Peer-to-Peer Computing, (August 2004).
  • the first International Workshop on Algorithmic Aspects of Wireless Sensor Networks ALGOSENSORS04, in conjunction with ICALP 2004, (July 2004).
  • 3rd Hellenic Data Management Symposium, (June 2004).
  • the ACM International Conference on the Management of Data, ACM SIGMOD ’04, (June 2004).
  • International Workshop on Distributed Event-Based Systems, collocated with ICSE 2004, (May 2004).
  • the IEEE International Conference on Data Engineering, PhD Workshop, (March 2004).
  • the International Conference on Extending Database Technology EDBT, PhD Workshop, (March 2004).
  • International Workshop on Agents and Peer-to-Peer Computing, 2004, with the Autonomous Agents and Multi-Agent Systems (AAMAS) International Conference 2004.
  • the IEEE International Conference on Web Information Systems Engineering, WISE ’04, 2004.
  • International Workshop on Databases, Information Systems, and Peer-to-Peer Computing, collocated with VLDB 2003, (September 2003).
  • International Workshop on Distributed Event-Based Systems, collocated with SIGMOD 2003, (June 2003).
  • 9th Workshop on Multimedia Information Systems MIS03, (May 2003).
  • 1st Balkan Conference on Informatics, 2003.
  • 2nd Hellenic Computer Science Conference, 2003.
  • International Workshop on Agents and Peer-to-Peer Computing, with the Autonomous Agents and Multi-Agent Systems (AAMAS) International Conference, 2003.