22nd International Symposium on Computer and Information Sciences	November 7-9, 2007
Middle East Technical University, Cultural and Convention Center, Ankara, Turkey

ISCIS 2007 is organized by the cooperation of Department of Computer Engineering and Department of Electrical and Electronics Engieering, Middle East Technical University.

HONORARY CHAIR

Erol Gelenbe, Imperial College, UK

CONFERENCE CO-CHAIRS

Ugur Halici, METU Volkan Atalay, METU

PROGRAM COMMITTEE CO-CHAIRS

Ilkay Ulusoy, METU Ece Guran Schmidt, METU Nihan Çiçekli, METU

PROGRAM COMITTEE MEMBERS

Adnan Yazici (Middle East Technical University, Turkey) Adrian Bors (University of York) Ahmet Onat (Sabanci University, Turkey) Albert Levi (Sabanci University, Turkey) Alessandro Leonardi (University of Catania, Italy) Alex Orailoglu (University of California, USA) Ali Aydin Selcuk (Bilkent University, Turkey) Ali Y. Duale (IBM Systems Assurance Kernel (SAK), USA) Ana Madevska Bogdanova Andrea D'Ambrogio (Universita of Roma "Tor Vergata", Italy) Andrea Torsello (Universita` Ca' Foscari di Venezia, Italy) Asuman Dogac (Middle East Technical University,Turkey) Athena Vakali (Aristotle University of Thessaloniki, Greece) Attila Gursoy (Koc University, Turkey) Aylin Kantarci (Ege University, Turkey) Ayse Basar Bener (Bogazici University,Turkey) Berkant Barla Cambazoglu (Ohio State University, USA) Branimir Reljin (University of Belgrade, Serbia) Bulent Orencik (Istanbul Technical University, Turkey) Burcin Bozkaya (Sabanci University, Turkey) Carlos Juiz (Universitat de les Illes Balears, Spain) Cuneyt Bazlamacci (Middle East Technical University, Turkey) Damla Turgut (University of Central Florida, USA) Daniel Thalmann (EPFL, Switzerland) Danny Soroker (IBM T.J. Watson Research Center, USA) Demet Aksoy (University of California at Davis,USA) Emin Anarim (Bogazici University, Turkey) Enes Eryarsoy (Sabanci University, Turkey) Eren Gurses (Norwegian University of Science and Technology, Norway) Erhan Ince (Eastern Mediterranean University, North Cyprus) Erkay Savas (Sabanci University, Turkey) Ethem Alpaydin (Bogazici University, Turkey) Evsen Yanmaz (Los Alamos National Laboratory, USA) Eylem Ekici (Ohio State University, USA) Ezhan Karasan (Bilkent University, Turkey) Fatih Alagoz (Bogazici University, Turkey) Fazli Can (Bilkent University, Turkey) Ferda Nur Alpaslan (Middle East Technical University, Turkey) Fevzi Belli (University of Paderborn, Germany) Francesco Masulli Francisco Rodriguez (CINVESTAV, Mexico) Gultekin Ozsoyoglu (Case Western Reserve University, USA) Gurhan Kucuk (Yeditepe University, Turkey) Guy-Vincent Jourdan (University of Ottawa, Canada) Hakan Erdogan (Sabanci University, Turkey) Haluk Bingol (Bogazici University, Turkey) Harry Skianis (National Centre for Scientific Research 'Demokritos', Greece) Hasan Fehmi Ates (Isik University, Turkey) Hitay Ozbay ( Bilkent University, Turkey) Howard Leung (City University of Hong Kong, China) Husnu Yenigun (Sabanci University, Turkey) Ibrahim Hokelek (Telcordia Technologies, USA) Ibrahim Korpeoglu (Bilkent University, Turkey) Ioannis Patras (Queen Mary, University of London) Javier Barria (Imperial College, UK) Jean-Michel Fourneau (Universite de Versailles, France) Jiang (Linda) Xie (University of North Carolina at Charlotte, USA) Johann Groszschaedl (Graz University of Technology, Austria) JongMin Jeong (Cornell University, USA) Jose-Luis Sanchez-Romero (University of Alicante, Spain) Kaan Bur (Technical University of Berlin, Germany) Kainam Tom Wong (University of Waterloo, Canada) Kanchana Kanchanasut (Asian Institute of Technology, Thailand) Kayhan Erciyes (IYTE, Turkey) Kemal Akkaya (Southern Illinois University, USA) Kemal Kilic (Sabanci University, Turkey) Kenji Leibnitz (Osaka University, Japan) Krzysztof Walkowiak (Wroclaw University of Technology, Poland) Lale Akarun (Bogazici University, Turkey) Luis Javier Garcia Villalba (Complutense University of Madrid, Spain) M. Tamer Ozsu (University of Waterloo, Canada) M. Umit Uyar (The City University of New York, USA) Marcin Paprzycki (SRI PAS and SWPS, Poland) Marco Alexander Wiering Markus Svensen Mehmet Orgun (Macquarie University, Australia) Michal Wozniak Mujdat Cetin (Sabanci University, Turkey) Mustafa Unel (Sabanci University, Turkey) Nahid Shahmehri (Linkpings Universitet, Sweden) Nail Akar (Bilkent University, Turkey) Nicolas Lomenie Nihal Pekergin (PRiSM, Universite de Versailles St Quentin, France) Oguz Ergin (TOBB University of Economics and Technology, Turkey) Onn Shehory (IBM Research Labs, Israel) Ozgur Gurbuz (Sabanci University Faculty of Engineering and Natural Sciences, Turkey) Oznur Ozkasap (Koc University, Turkey) Panita Pongpaibool (National Electronics and Computer Technology Center, Thailand) Paprzycki Marcin (Computer Science Department, Oklahoma State University, USA) Peter Harrison (Imperial College, UK) Pinar Duygulu-Sahin (Bilkent University, Turkey) Pinar Senkul (METU, Turkey) Pinar Yolum (Bogazici University, Turkey) Reda Alhajj (University of Calgary, Canada) Robert Wrembel (Poznan University of Technology, Poland) Roberto Fraile S. Ilker Birbil (Sabanci University, Turkey) Sahin Albayrak (Technical University of Berlin, Germany) Sebastia Galmes (Universitat de Ies Illes Balears, Spain) Selim Aksoy Selim Balcisoy (Sabanci University, Turkey) Sema Oktug (ITU, Turkey) Semih Bilgen (METU, Turkey) Serdar Tasiran (Koc University, Turkey) Serhat Yesilyurt (Sabanci University, Turkey) Sule Gunduz Oguducu (Istanbul Technical University, Turkey) Suleyman Tosun (Selcuk University Turkey) Tamer Ozsu (University of Waterloo, Canada) Tolga Can (METU, Turkey) Tugkan Tuglular (IYTE Turkey) Ugur Gudukbay (Bilkent University, Turkey) Yankin Tanurhan (Actel Corporation, USA) Yasemin Altun (TTI-C, USA) Young Ik Eom (Sungkyunkwan University, Korea) Yucel Saygin (Sabanci University, Turkey) Yusuf Pisan (University of Technology Sydney, Australia) Yusuf Sinan Akgul (Gebze Yuksek Teknoloji Enstitusu, Turkey) Zehra Cataltepe (Istanbul Technical University, Turkey) Additional Referee: Mehmet Gonen (Bogazici University, Turkey)

ORGINIZING COMMITTEE

Ali Dogru, METU Erol Sahin, METU Göktürk Üçoluk, METU Ozgur Baris Akan, METU Kemal Leblebicioglu, METU

LOCAL ORGANIZATION COMMITTEE

Ismail Öztürk, METU CEng, Turkey Aysu Erdogdu, , METU EEE, Turkey Aysegul Yaman, METU CEng, Turkey Bahar Pamuk, METU CEng, Turkey Samet Akpinar, METU CEng, Turkey Sema Suluoglu, METU CEng, Turkey Tulay Akbey, METU EEE, Turkey Utku Erdogdu, METU CEng, Turkey

CONGRESS SECRETARIAT

Star Tours Travel Agency Ankara, Turkey

SPONSORING INSTITUTIONS

Middle East Technical University Scientific and Technological Research Council of Turkey (TÜBİTAK), section of the - - - Institute of Electrical and Electronics Engineers (IEEE), Turkey Section