MY SCHEDULE:
Monday: not available
Tuesday: 13:40-16:30 (CENG 301)
Wednesday: 12:40-13:30 (CENG 435)
OFFICE HOUR : WED 14:00 - 16:00
Friday: 10:40-12:30 (CENG 435)

Ahmet Cosar(Professor)

Office: A-208, Tel: 210 5566 e-mail: cosar@metu.edu.tr
Department of Computer Engineering
Middle East Technical University
PhD, Computer Science, Univ. of Minnesota, Minneapolis(1996)
MS, Comp.Eng.(BILKENT, 1988)
BS, Comp.Eng. , METU(1986).

Courses

CENG 301 - Syllabus (G-102, Tue 13:40) MIDTERM: Nov.7-th 6pm BMB-2

CENG 435 - Syllabus (We 12:40 and Fr 10:40 in BMB-1) MIDTERM: Nov.8-th

CENG 709 - Syllabus (Fr 18:15) MIDTERM Nov.10-th in class

CENG 546 - Syllabus (Sa 10:00) MIDTERM: Nov.11-th in class

Research

  • Distributed database design and query optimization
  • Optimization with Evolutionary and Genetic Algorithms
  • Computer Networks & Distributed Computing
  • Relational Query Optimization
  • Intelligent Data Analysis Group ( IDAG)

  • Publications

    Current students:

    1. Ismail Turk (CENG, PhD)
    2. Betul Arac (IS, PhD)
    3. Yusuf Tambag (CENG, PhD)
    4. Sait Emre Pektas (CENG, PhD)
    5. Firdevsi Akca (CENG, PhD)
    6. Yagmur Aksan (CENG, PhD)
    7. Gizem Karagoz (CENG, MS)
    8. Gizem Sariaslan (CENG, MS)

    Graduated students:

    1. Betul Altay (MS, 2016) Context-sensitive keyword density based supervised learning techniques for detection of malicious web pages.
    2. Yagmur Aksan (MS, 2016) A stagnation aware cooperative breakout local search algorithm for the quadratic assignment problem on a multi-core architecture
    3. Firdevsi Akca (MS, 2016) Multiobjective evolutionary feature subset selection algorithm for binary classification
    4. Sukru Ozer Ozcan (MS, 2015) Scalable evolutionary algorithm for solving the one-dimensional bin packing problem on GPU using CUDA
    5. Muhammed Beyaz (MS, 2015) Hybrid metaheuristic algorithms for single and multi-objective 2D Bin packing problem
    6. Seyit Alper Sert (MS, 2014) An efficient fuzzy fusion-based framework for surveillance applications in wireless multimedia sensor networks
    7. Tansel Dokeroglu (PhD, 2014) Multiobjective Relational Data Warehouse Design for the Cloud
    8. Umut Tosun (PhD, 2013) Distributed Database Design with Linear Programming and Heuristic Algorithms
    9. Serkan Ozal (MS, 2013), Improving the Performance of Hadoop/HIVE by Sharing Scan and Computation Tasks
    10. Hunain Durrani (MS, 2013), PARALLELIZATION OF K-MEANS AND DBSCAN CLUSTERING ALGORITHMS ON A HPC CLUSTER
    11. Mucahit Karakoc (MS, 2010), Comparison of domain-independent and domain-specific location predictors with campus-wide WI-FI mobility data
    12. Maciej Kuszewski (MS, 2010), Performance analysis and comparison of SOA servers in different applications
    13. Bulent Ozturk (MS, 2010), A web based GIS mashup for archaeology
    14. Seckin Onder(Ms,2010), Execution of Distributed Database Queries on a HPC System
    15. Ali Demir(Ms,2010), Real-Time 2D/3D Display of DTED Maps and Evaluation of Interpolation Algorithms
    16. Ali Anil Silaci (Ms, 2009) A conformance and interoperability test suite for Turkey's NHIS and an interactive test control and monitoring environment
    17. Ender Sevinc(PhD,2009), Query Optimization in Distributed Databases
    18. Dilixati Abudula(Ms,2006), A Performance Comparison of Multiple Query Optimization Heuristics
    19. Tayfun Yagci(Ms,2005), ACOUSTIC SIGNATURE GENERATION FROM SONAR DATA
    20. Hacer Yalim (M.S., June 2005), Acceleration of direct volume rendering with texture slabs on programmable graphics hardware
    21. Onur Aymak (M.S., August 2004), AD HOC PACKET ROUTING SIMULATION AND TACTICAL PICTURE DISPLAY TOOL FOR NAVY
    22. Zulfu Orenc (M.S., June 2004), A Study of Kangaroo Transaction Model for Mobile Transaction Management
    23. Suleyman Onur Otlu(M.S., April 2004, co-advisor: Prof.Adnan Yazici), A New Technique: Replace Algorithm to Retrieve a Version from a Repository Instead of Delta Application
    24. Huseyin Sayin (M.S., November 2003), A Proposal for Tactical Messaging and Usage of Extensible Markup Language Message Text Formats in the Tactical Command Control and Information Systems
    25. Omer Necip Hamali (M.S. 2003) Storing and querying user context information using ontologies and trusted authorities
    26. Yusuf Tambag (M.S., February 2003), Design and implementation of an ebXML compliant B2B interoperability platform
    27. Ender Sevinc (M.S., April 2000), Dynamic Modification of XML Documents
    28. Atakan Erdem (M.S., January 1999), Rapid Application Development Classes for Database Applications
    29. Okan Gocmenoglu (M.S., January 1999),Component Based Application Development
    30. Olcay Sarioglu (M.S., January 1999), Benchmarking of a Student Information Database
    31. Majed Abusafiya (M.S., 1997), Estimation of selection and join selectivities using regression analysis

    Top 10 Algorithms of 20th Century

    (Metropolis, Simplex LU Decomposition, Fortran, QR Decomposition, Quicksort, FFT, Integer relation detection, Fast multipole)