Lecturer
Department of Applied Informatics
School of Information Sciences
University of Macedonia
156 Egnatia Str., GR-54006, Thessaloniki, Greece
Office: 423 / Phone: +30-2310-891887


Short Bio


Education

2009 - PhD in Computer Science, University of Ioannina, Greece
2003 - MSc in Computer Science, University of Ioannina, Greece
2001 - BSc in Computer Science, University of Ioannina, Greece

Research Experience

  • Cloud9: A multidisciplinary, holistic approach to internet-scale cloud computing. co-financed by the ESF and Greek national funds through the Operational Program, "Education and Lifelong Learning" of NSRF-Research Funding Program: Thales, Sep 2011 – Aug 2014
  • Self-Peer: Self-organized peer to peer systems based on their content and the query workload: Construction, Updates, Routing and Query Processing, PENED 03-ED-591 is co-financed by E.U.-European Social Fund (75%) and the Greek Ministry of Development-GSRT (25%), Nov 2005 - Nov 2008.
  • AEOLUS: Algorithmic Principles for Building Efficient Overlay Computers, EU Funding, Sep 2005 - Sep 2009
  • DECA: Data Engineering for Context - Aware Persasive Computing, General Secretariat of Research and Technology (GSRT) grant for "Cooperation in S&T areas with non-European countries", Oct 2003- Dec 2006
  • DBGlobe: A Data Centric Approach to Global Computing, IST-2001-32645, EU Funding, Jan 2002 - Apr 2005

Professional & Other Activities

  • PC Member for: WWW Poster Track 2010, EDBT 2015
  • Member of the Organizing Committee for the 2nd Student's Conference of the Department of Applied Informatics 2015
  • Participation in the project Open Digital Courses in the University of Macedonia, contributing the course "Data Structures" (A+), Fall 2015
  • Participation in the project "Μονάδες Αριστείας ΕΛ/ΛΑΚ", "ΣΧΟΛΕΙΟ ΑΝΑΠΤΥΞΗΣ ΚΩΔΙΚΑ ΣΕ ΑΓΡΟΤΙΚΗ ΑΝΑΠΤΥΞΗ - ΠΕΡΙΒΑΛΛΟΝ, ΕΚΠΑΙΔΕΥΤΙΚΟ ΛΟΓΙΣΜΙΚΟ, ΕΠΙΧΕΙΡΗΜΑΤΙΚΕΣ ΕΦΑΡΜΟΓΕΣ / ΥΠΗΡΕΣΙΕΣ ΓΙΑ ΜΙΚΡΟΜΕΣΑΙΕΣ ΕΠΙΧΕΙΡΗΣΕΙΣ"
  • Referee for: International Journal of Distributed and Parallel Databases, IEEE Transactions on Knowledge and Data Engineering, IEEE Transactions on Vehicular Technology, International Journal of Web Engineering and Technology
  • External Reviewer for: VLDB, ICDE, DASFAA, EDBT, XSYM, DBISP2P,TKDESI, WISE, HDMS


Research Interests


Social Networks

Efficient management of social data, evolution of social networks, enhancing web search with social data

Graph Databases

Modelling and storage of graph data, managing temporal information in graph databases

Distributed Systems

Data management in clouds, indexing & routing in peer-to-peer systems, content-based overlays in distributed systems

XML

Indexes, summaries for XML documents, distributed processing of XML data

Publications


Journals



International Conferences and Workshops



National Conferences

  • G. Koloniari and E. Pitoura, LCA-based Selection for XML Document Collections. 9th Hellenic Data Management Symposium, 2010.
  • G. Koloniari and E. Pitoura, A Recall-Based Cluster Formation Game in Peer-to-Peer Systems. 8th Hellenic Data Management Symposium, 2009.
  • G. Koloniari, Y. Petrakis, E. Pitoura and T. Tsotsos. Query Workload-Aware Overlay Construction Using Histograms. 5th Hellenic Data Management Symposium, 2006.
  • G. Koloniari and E. Pitoura. Routing Path Queries in Peer-to-Peer Systems. 2nd Hellenic Data Management Symposium, 2003.



Other



Technical Reports

  • G. Koloniari and E. Pitoura. A Game Theoretic Approach to the Formation of Clustered Overlay Networks (Extended Version). Technical Report TR 4-2010, Department of Computer Science, University of Ioannina, 2010. [local copy]
  • G. Koloniari and E. Pitoura. LCA-based Selection for Distributed XML Document Collections. Technical Report TR 04-2009, Computer Science Department, University of Ioannina, 2009.
  • G. Koloniari and E. Pitoura. A Recall-Based Cluster Formation Game in Peer-to-Peer Systems (Extended Version). Technical Report TR 03-2009, Computer Science Department, University of Ioannina, 2009. [local copy]
  • G. Koloniari and E. Pitoura. Distributed Approximate XPath Processing. Technical Report DCS 2007-08, University of Ioannina, 2007. [ local copy ]
  • G. Koloniari, N. Kremmidas, K. Lillis, P. Skyvalidas and E. Pitoura. Overlay Networks and Query Processing: A Survey. Technical Report TR 08-2006, Computer Science Department, University of Ioannina, 2006. [local copy]
  • G. Koloniari and E. Pitoura. Bloom-based filters for Hierarchical data. Technical Report TR 29-2002, Computer Science Department, University of Ioannina, 2002. [local copy]



Theses

  • G. Koloniari. Indexing and Clustering Techniques for the Efficient Evaluation of Queries in Peer-to-Peer Systems. PhD Thesis, 2009. Supervisor: Evaggelia Pitoura.
  • G. Koloniari. Searching XML Documents in Peer-to-Peer Systems. MSc Thesis, 2003. Supervisor: Evagelia Pitoura.



Teaching


  • Applied Informatics Department, Universiry of Macedonia, Thessaloniki

    • Undergraduate Studies
      • Distributed Systems - Instructor
        Fall 2013-2014
      • Databases I - Co-Instructor
        Fall 2014
      • Data Organization and Management - Instructor
        Spring 2014
      • Data Structures - Co-Instructor
        Spring 2014
      • Advanced Information Systems - Instructor
        Fall 2013
    • Graduate Studies
  • Technology Management Department, University of Macedonia, Thessaloniki

    • Undergraduate Studies
      • Data Organization and Management - Instructor
        Spring 2013
      • Distributed Systems - Instructor
        Spring 2013
      • Internet Technologies - Co-Instructor
        Spring 2013
  • Computer Science Department, University of Ioannina

Other