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 Networks & Telecommunications Laboratory

People

Maria Papadopouli

Phone: +30 2810 39 1677
Fax: +30 2810 391601
E-mail: mgp@ics.forth.gr

Prof. Maria Papadopouli

Mailing Address

Department of Computer Science

University of Crete

P.O. Box 2208

Iraklion, Crete, GR714 09

Assistant Professor, Department of Computer Science, University of Crete (September 2005 - )

Adjunct Professor, Department of Computer Science, University of North Carolina at Chapel Hill

Employment in Academia

Assistant Professor, Department of Computer Science, University of North Carolina at Chapel Hill (July 2002-July 2004, on-leave from July 2004-June 2006)

Employment in Research Labs & Institutes

Research Associate, Institute of Computer Science, Foundation for Research and Technology-Hellas (September 2004 –present)

Research Intern, IBM Thomas J. Watson Research Center, Research Division, IBM, USA (summer 1995, 1999, and 2000)

Research Interests

Performance analysis, measurements and modeling of mobile, wireless, ad hoc and sensor networks, application for mobile wireless networks, mobile computing, pervasive computing, location-sensing, Internet real-time and multimedia systems and protocols.

Education

Ph.D., Computer Science, Columbia University, New York, NY, October 2002

M.Phil.,Computer Science, Columbia University, New York, NY, May 2002

M.Sc., Computer Science, New York University New York, NY, May 1994

B.S., Computer Science, University of Crete, Greece, June 1992

Ph.D. Dissertation

Title: Resource sharing in mobile wireless networks. Advisor: Prof. Henning Schulzrinne.

Awards

The IBM Faculty Award, 2004.

The IBM Faculty Award, 2003.

Best student paper/poster award, Advances in Wired & Wireless Communications, IEEE Sarnoff Symposium 2001.

Graduated ranking first, class of 1992, Department of Computer Science, University of Crete,

Scholarships based on academic achievement, Greek National Scholarship Foundation, 1988-1991.

2nd highest score nationwide, National Entrance Examinations for Department of Computer Science, University of Crete, 1988.

3rd prize, Panhellenic Examination in Mathematics, Greek Mathematical Society, 1987.

Praise, 3rd National Mathematical Olympiad, Greek Mathematical Society, 1987.

1st prize, nationwide top, Panhellenic Examination in Mathematics, Greek Mathematical Society, 1986.

1st prize, Prefectural of Iraklion, Panhellenic Examination, Greek Mathematical Society, 1985.

Patent

A patent based on the information discovery with 7DS system developed by Maria Papadopouli and Henning Schulzrinne is being filed.

Book

1. Maria Papadopouli and Henning Schulzrinne. “Peer-to-peer Computing for Mobile Networks: Information Discovery and Dissemination”, Springer. Monograph under preparation.

List of Publications in Refereed Conferences and Workshops

2. Merkouris Karaliopoulos, Maria Papadopouli, Elias Raftopoulos, Haipeng Shen. On scalable measurement-driven modeling of traffic demand in large WLANs. IEEE Workshop on Local and Metropolitan Area Networks, Princeton NJ, USA, June 10-13, 2007 (invited paper)
3. Theodore Patkos, Antonis Bikakis, Grigoris Antoniou, Maria Papadopouli, Dimitris Plexousakis. "A Semantics-based Framework for Context-Aware Services: Lessons Learned and Challenges", 4th International Conference on Ubiquitous Intelligence and Computing (UIC-07), Hong Kong, July 11-13, 2007. Acceptance percentage 29%.
4. Manolis Ploumidis, Maria Papadopouli, Thomas Karagiannis. Multi-level application-based traffic characterization in a large-scale wireless network. IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks(WoWMoM), Helsinki, Finland, June 2007. Acceptance percentage 31%.
5. Felix Hernandez-Campos, Merkourios Karaliopoulos, Maria Papadopouli, Haipeng Shen. Spatio-Temporal Modeling of Traffic Workload in a Campus WLAN. 2nd Annual International Wireless Internet Conference (WICON), Boston, USA, August 5-8, 2006. Acceptance percentage 27%.
6. Theodore Patkos, Antonis Mpikakis, Grigoris Antoniou, Maria Papadopouli, Dimitris Plexousakis. A Semantic-based Framework for Context-Aware Pedestrian Guiding Services. Second International Workshop on Semantic Web Technology For Ubiquitous and MobileApplications 2006, Riva del Garda, Trentino, Italy August 28, 2006.
7. Maria Papadopouli, Michael Moudatsos, Merkourios Karaliopoulos. Modeling the Roaming in Large-scale Wireless Networks using Real Measurements. First workshop on advanced EXPerimental activities ON WIRELESS networks and systems, Niagara-Falls/Buffalo, New York, USA, June 26-29, 2006.
8. Maria Papadopouli, Elias Raftopoulos, Haipeng Shen. Evaluation of short-term traffic forecasting algorithms in wireless networks. 2nd Conference on Next Generation Internet Design and Engineering, Valencia, Spain, April 3-5, 2006.
9. Priyank Porwal and Maria Papadopouli. On-demand channel switching for multi-channel wireless MAC protocols. 12th European Wireless Conference, Athens, Greece, April 2-5, 2006.
10. Felix Hernandez-Campos, Maria Papadopouli. ”Assessing The Real Impact of 802.11 WLANs: A Large-Scale Comparison of Wired and Wireless Traffic”. 14th IEEE Workshop on Local and Metropolitan Area Networks, Chania, Crete, Greece, September 18-21, 2005. (Ranked first best paper in the reviewing process)
11. Maria Papadopouli, Haipeng Shen, Manolis Spanakis. “Modeling client arrivals at access points in wireless campus-wide networks”. 14th IEEE Workshop on Local and Metropolitan Area Networks, Chania, Crete, Greece, September 18-21, 2005. (Ranked fourth best paper in the reviewing process)
12. Felix Hernandez-Campos and Maria Papadopouli. “A comparative measurement study of the workload of wireless access points in campus networks”. 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications, Berlin, September 11 - 14, 2005.
13. Maria Papadopouli, Haipeng Shen, Elias Raftopoulos, Manolis Ploumidis, Felix Hernandez-Campos. “Short-term traffic forecasting in a campus-wide wireless network".16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications, Berlin, September 11 - 14, 2005.
14. Maria Papadopouli, Haipeng Shen, Manolis Spanakis. “Characterizing the mobility and association patterns of wireless users in a campus”, 11th European Wireless Conference 2005, Nicosia, Cyprus, April 10-13, 2005.
15. Francisco Chinchilla, Mark Lindsey, and Maria Papadopouli. “Analysis of wireless information locality and association patterns in a campus", IEEE Infocom 2004, Hong Kong, March 7-11. Acceptance percentage 18%.
16. Maria Papadopouli and Henning Schulzrinne. “Performance of data dissemination among mobile devices". Under review.
17. Haris Fretzagias and Maria Papadopouli. “Cooperative location-sensing for wireless networks", IEEE PervasiveComputing and Communications 2004, Orlando, Florida, March 14-17. Acceptance percentage 15%
18. Maria Papadopouli. “Resource sharing in mobile wireless networks", Ph.D. Dissertation, Computer Science Department, Columbia University, October 2002, New York.
19. Maria Papadopouli and Henning Schulzrinne.”Effects of power conservation, wireless coverage and cooperation on data dissemination among mobile devices'' ACM SIGMOBILE Symposium on Mobile Ad Hoc Networking & Computing (MOBIHOC) 2001, October 4-5, 2001, Long Beach, California. (11 pp) Acceptance percentage 16%.
20. P. Castro, B. Greenstein, R. Muntz, P. Kermani, C. Bisdikian and M. Papadopouli. “Locating Application Data Across Service Discovery Domain'', ACM SIGMOBILE MOBICOM 2001, 7th Annual Int. Conf. Mobile Computing and Networking, July 16-21, 2001, Rome, Italy. (15 pp). Acceptance percentage 10%.
21. Maria Papadopouli and Henning Schulzrinne. “A Performance Analysis of 7DS: a Peer-to-Peer Data Dissemination and Prefetching Tool for Mobile Users", Advances in Wired and Wireless Communications, IEEE Sarnoff Symposium Digest, March 21, 2001, Ewing, NJ (4 pp). Best student paper/poster award.
22. Maria Papadopouli and Henning Schulzrinne. “Design and Implementation of a Peer-to-Peer Data Dissemination and Prefetching Tool for Mobile Users", First NY Metro Area Networking Workshop, March 12, 2001, IBM T.J. Watson Research Center, Hawthorne, New York. (7 pp)
23. Maria Papadopouli and Henning Schulzrinne. “Seven Degrees of Separation in Mobile Ad Hoc Networks", IEEE GLOBECOM, November 27-December 1, 2000, San Francisco.
24. Maria Papadopouli, Henning Schulzrinne, Paul Castro, Parviz Kermani, Chatschik Bisdikian and Mahmoud Naghshineh. “Navigating in Smart Spaces", ACM SIGCOMM, August 28 -September 1, 2000, Stockholm, Sweden. Poster session.
25. Maria Papadopouli and Henning Schulzrinne. “Network Connection Sharing in an Ad Hoc Wireless Network among Collaborative Hosts", NOSSDAV, June 24-26, 1999, Bell Labs, New Jersey.
26. Maria Papadopouli and Leana Golubchik. “A Scalable Video on Demand server for a Dynamic Heterogeneous Environment”, 4th Intl. Workshop on Multimedia Information Systems (MIS), September 24-26, 1998, Istanbul, Turkey. Also, in Proceedings, Lecture Notes in Computer Science, Vol.1508, Springer, 1998.
27. Leana Golubchik, John C.S. Lui and Maria Papadopouli. “A Survey of Approaches to Fault Tolerant Design of VOD Servers: Techniques, Analysis, and Comparison", Special issue of Parallel Computing on Parallel Data Servers and Applications, Volume 24, Number 1, January 1998.

Invited Papers

28. Maria Papadopouli and Henning Schulzrinne. “Resource Sharing in an Ad Hoc Wireless Network among Cooperative Hosts", Dagstuhl Seminar on Mobile Multimedia Communication - Systems and Network, May 3-7, 1999, Dagstuhl Manor. House, Wadern, Germany.
29. Maria Papadopouli and Leana Golubchik. “Support of VBR Video Streams Under Disk Bandwidth Limitations", Special issue of ACM SIGMETRICS'Performance Evaluation Review (PER), on the topic of I/O in parallel and distributed systems, December 1997.

Impact Factor

CiteSeer Impact Ratings May 2003, for conferences where I have published my work:

ACM MOBICOM: 2.76 (top 0.40%)

IEEE INFOCOM: 1.39 (top 10.89%)

The acceptance ratio indicates the percentage of papers accepted in that conference in that year. This information can be found at http://www.cs.ucsb.edu/~almeroth/conf/stats/. The acceptance ratio was not available for the other journals or conferences in the above list.

Research Grants

1. Microsoft, 2002 ($10,000).
2. IBM, Faculty Award Program, 2003/2004 ($40,000).
3. IBM, Faculty Award Program, 2004/2005 ($40,000).
4. UNC Junior Faculty Development Award Recipients, 2006.
5. European Commission, Marie Curie IRG (€80, 000).
6. Hellenic Republic Ministry Of Development, General Secretariat For Research and Technology, Program "Cooperation with S & T Institutions in non-European Countries - 2005", FORTH - UNC. (€60,000).
7. Anvanced services in wireless wide area networks for visitors and tourist-related companies and agencies of Crete-Wireless Information Service (CRETE-WISE), Co-PI (€573,507).

Teaching Experience

1. Experimenting with mobile computing and peer-to-peer systems, Computer Science Department, UNC, Spring 2003. Received a grant from Microsoft to design and develop this new course.
2. Mobile computing, Department of Computer Science, UNC, Fall 2003 and Spring 2004.
3. Discreet Maths, Department of Computer Science, University of Crete, Fall 2006.
4. Wireless Networks, Department of Computer Science, University of Crete, Fall 2004- (every semester)
5. Form and lead the “Mobile Computing Research Group'' at UNC. September 2002 -. July 2004
6. Form and lead the “Mobile Computing Research Group'' at FORTH. September 2004

Invited Talks

1. “Measurements and Modelling of Large-scale 802.11 networks”, November 2005, Department of Computer Science, Athens University of Economics and Business Athens. Host: George Polyzos.
2. “Peer-to-peer Applications for Ad Hoc Networked Systems”, April 2005, Schloss Dagstuhl. Host: Mario Gerla, Ant Rowstron, Christoph Lindemann.
3. “Forecasting of the traffic load and modeling user-association patterns in a campus-wide infrastructure”, January 2005, ICS-FORTH. British Telecommunications group visit. Host: Vasilis Siris.
4. “Collaborative location sensing”, January 2005, University of Munich, Context Reasoning EU Commission project. Host: Francois Bry.

Measuring the Analysis of Wireless Information Locality and Association Patterns in a Campus",

5. September 2004, University of Maryland. Host: Tony Ephremides.
6. February 2004, Austin CAS Conference 2004, IBM, Austin, TX.
7. June 2004, Network Modeling for the Internet, Statistical and Applied Mathematical Sciences Institute. Host: Steve Marron.
8. February 2005, Austin CAS Conference 2005, IBM, Austin, TX

Research activities of the mobile computing group at UNC",

9. April 2004, T.J. Watson Research Center, IBM. Host: Jakka Sairamesh.
10. February 26th, 2004, IBM University Day, IBM, RTP. Host: Thomas Bodenheimer.
11. March, 2003, Polytechnic University, New York, NY. Symbol Lecturer. Host: Prof. Andrej Stefanov.
12. February, 2003, North Carolina State University, Raleigh, NC. Host: Prof. George Rouskas.
13. November 18, 2002, Duke University, Durham, NC. Host: Prof. Jun Yang.
14. November 13, 2001, Dataman project, Rutgers University, New Brunswick, NJ. Host: Prof. Rich Martin.
15. July 2002, ICS-Forth. Host: Prof. Orphanoudakis.
16. “Research, careers, and computer Science: a Maryland symposium", November 16-17, 2001, Computer Science Department, University of Maryland at College Park, Maryland.
17. “Performance of data dissemination among mobile devices", October 9, 2001, Hewlett-Packard Laboratories, Palo Alto, CA. Host: Dr. Sung Ju Lee.
18. “Resource sharing and navigating smart spaces" (overview of the 7DS), August 3, 2000, T.J. Watson, IBM, Research Lab.
19. “Network connection sharing in an ad hoc wireless network among collaborative hosts", July 19, 1999, Ericsson Switch Lab, Stockholm, Sweden. Host: Per Johansson.

Advisees

1. Vangelis Angelakis (Ph.D.,January 2005-) co-adviced with Prof. Traganitis
2. Manolis Pantelias (B.Sc., January 2005-September 2005)
3. Manolis Ploumidis (M.Sc.,February 2005-)
4. Elias Raftopoulos (M.Sc., February 2005-)
5. Manolis Spanakis(Ph.D., January 2005-), co-advised with Prof. Traganitis
6. Antonia Papakonstantinou (M.Sc., Fall 2005)
7. Konstantinos Mastorakis (M.Sc., Fall 2005-)
8. Vassilis Lekakis (B.Sc., February 2006)

Graduated Students

1. Mark Lindsey, M.Sc. Thesis. “Analyzing and exploiting the spatial locality of information", University of North Carolina at Chapel Hill, May 15th, 2003. (Now with Engineers' Consulting Group, Valdosta, Georgia)
2. Elias Raftopoulos, B.Sc. Thesis. “Analyzing forecasting algorithms of the traffic load in wireless campus-wide infrastructures”, University of Crete, February 15th, 2005. Ericsson Award of Excellence in Telecommunications for his B.Sc. Thesis.
3. John Check, M.S.
4. Priyank Porwal (M.Sc., 2005. Now with Microsoft)
5. Francisco Chinchilla (M.Sc., 2006, Now with Intel)
6. Anastasia Katranidou (M.Sc. Thesis. “Location-sensing using the IEEE802.11 Infrastructure and the Peer-to-Peer paradigm for Mobile Computing Applications”, February 2006)

Graduate Student Thesis Committee

1. Haris Papadakis (Ph.D. University of Crete)
2. Jay Aikat (Ph.D., UNC)
3. Rebecca Braynard (Ph.D., Duke, “Wireless MAC Layer Flexibility for Extending Effective System Lifetime”,)
4. Fisayo Omojukan (Ph.D., UNC)
5. Athanasios Karapantelakis (M.Phil., Royal Institute of Technology, KTH, 2007)
6. John Yannakopoulos (M.Sc., University of Crete, 2004)
7. Meropi Papadaki (M.Sc., University of Crete, 2005)
8. Christoforos Adamakis (M.Sc., University of Crete, “Secure Mobile Payment System over GSM Network”, 2005)
9. Despoina Triantafyllidou (M.Sc., University of Crete, “Congestion control in IEEE 802.11 wireless networks, using Explicit Congestion Notification and load-based marking”, 2005)
10. Jon-Olov Vatn (Ph.D., Royal Institute of Technology, KTH, 2005)
11. Giorgios Stamatakis (M.Sc., University of Crete,”A Dynamic Class-based WFQ Scheme for Service Differentiation in Wireless Lans”, 2005)
12. Nikolaos Xanthopoulos (M.Sc., University of Crete, “Web service Provisioning Over Peer-to-Peer Networks“, 2005)
13. Yiorgos Fotiadis (M.Sc., University of Crete, “Improving TCP Throughput in 802.11 Lans with High Delay Variability”, 2005)
14. Despoina Evaggelatou (M.Sc., University of Crete, “Access Point Selection for Improving Throughput Fairness in WLANs”, 2006, Now with HP in Athens, Greece)

Post Doctoral Researcher

1. Dr. Felix Hernandez-Campos (Wireless Measurement Project, UNC)
2. Dr. Merkourios Karaliopoulos (Wireless Measurement Project, UNC)

Recent Service and Professional Activities

Program Chair

3rd International Workshop on Wireless Network Measurement (WinMee/WiTMeMo'07) in conjunction with WiOPT

2nd International Workshop on Wireless Traffic Measurements and Modeling (WiTMeMo'06) in conjunction with WiCON

1st International Workshop on Wireless Traffic Measurements and Modeling (WiTMeMo'05) in conjunction with MobiSys'05

1st International Workshop on Mobile Peer-to-Peer Computing (MP2P'04) in conjunction with IEEE Pervasive Computing and Communications Conference (PerCom)

2nd, International Workshop on Mobile Peer-to-Peer Computing (MP2P'05) in conjunction with IEEE Pervasive Computing and Communications Conference (PerCom)

3rd International Workshop on Mobile Peer-to-Peer Computing (MP2P‘06) in conjunction with IEEE Pervasive Computing and Communications Conference (PerCom)

Program Committee

IEEE Pervasive Computing and Communications Conference (PerComm) ‘07

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’06)

IEEE Workshop on Local and Metropolitan Area Networks(LanMan) ’07

IEEE 4th Annual Conference on Wireless On demand Network Systems and Services (WONS’07)

MobiDE 2006

IEEE Pervasive Computing and Communications Conference (PerComm) ‘05,

ACM SIGMOBILE/SIGMOD MobiDE ’03 & ‘05

Sixth ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc'05)

ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots (WMASH)’04

Broadband Wireless Networking Symposium.

Program Committee in IEEE First Workshop on Embedded Networked Sensors ‘04.

Tutorial Chair

Fifth ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc'04).

IEEE International Conference on Pervasive Services (ICPS) '05.

Expert Panels

“ERCIM working group on emobility”, June 2006.

"Pervasive Computing and Communications", Vienna, Austria, July 28, 2005.

Peer-to-peer Applications for Ad Hoc Networked Systems”, April 2005, Schloss Dagstuhl.

IBM NC Women in Technology Conference, June 2004.

Pervasive Computing in Research Triangle Regional Partnership, North Carolina 2003.

Scientific & Technical Advisor

Developed the curriculum for the undergraduate level courses at the Department of Applied Information Technology & Multimedia in the Technological Educational Institute in Crete, Greece for the systems courses (1999-2000):

Referee

Referee for MONET, ACM SIGMOBILE MobiHoc, ACM SIGMOBILE MobiCom, IEEE Infocom, IEEE PerCom, ACM Sigmetrics/Performance, IEEE Transactions on Circuits and Systems for Video Technology, ACM Transactions on Information Systems, Journal for Communications and Networks (JCN), IEEE Journal on Selected Areas in Communications and many others.

Recent Software Development

• Developed 7DS a peer-to-peer information discovery mechanism for mobile devices.7DS has been integrated with several applications. Research groups at various places used it or expressed their interest in participating in this project (such as Columbia University, DoCoMo Lab, Munich University of Technology, Siemens).
• Collected extensive real-life traces from large-scale wireless infrastructures. A significant part of these data is available to the research community via the joint UNC/FORTH repository of traces and models for wireless networks . More than 75 worldwide registered users.

Seminars & Tutorials

1. “Performance of data dissemination among mobile devices", Wireless Internet Center for Advanced Technology (WICAT) meeting, Columbia University, New York, October 12, 2001.
2. “Introduction to multimedia information systems", Department of Applied Information Technology & Multimedia, Technological Educational Institute in Crete, September 1999. One day seminar.

Media Coverage

Interview to Prof. Grammatikakis for the series "The paths of Science" that will be presented in the National Broadcast Channel ET-1

Interview in Chaniotika Nea newspaper.