DOLU SAATLERIM:
13 Haz: 10-11
15 Haz: 9:30-10:30 ve 13:00-16:00
16 Haz: 8:00-12:00
19 Haz: 13:30-14:30
20 Haz: tum gun uygun
21 Haz 9:00-10:00
22 Haz: tum gun uygun

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, University of Minnesota(1996)
BS, Comp.Eng. , METU(1986).

Courses

CENG 140 - Syllabus
CENG 709 - Syllabus

CENG 769 - Syllabus

SE 541 - Syllabus

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 (PhD)
    2. Yusuf Tambag (PhD)
    3. Sait Emre Pektas ( PhD)
    4. Khitem Amiri (GGIT, PhD)

    Graduated students:

    1. Yagmur Aksan (MS, 2016)
    2. Firdevsi Akca (MS, 2016)
    3. Muhammed Beyaz (MS, 2015)
    4. Seyit Alper Sert (MS, 2014)
    5. Tansel Dokeroglu (PhD, 2014) Multiobjective Relational Data Warehouse Design for the Cloud
    6. Umut Tosun (PhD, 2013) Distributed Database Design with Linear Programming and Heuristic Algorithms
    7. Serkan Ozal (MS, 2013), Improving the Performance of Hadoop/HIVE by Sharing Scan and Computation Tasks
    8. Hunain Durrani (MS, 2013), PARALLELIZATION OF K-MEANS AND DBSCAN CLUSTERING ALGORITHMS ON A HPC CLUSTER
    9. Mucahit Karakoc (MS, 2010), Comparison of domain-independent and domain-specific location predictors with campus-wide WI-FI mobility data
    10. Maciej Kuszewski (MS, 2010), Performance analysis and comparison of SOA servers in different applications
    11. Bulent Ozturk (MS, 2010), A web based GIS mashup for archaeology
    12. Seckin Onder(Ms,2010), Execution of Distributed Database Queries on a HPC System
    13. Ali Demir(Ms,2010), Real-Time 2D/3D Display of DTED Maps and Evaluation of Interpolation Algorithms
    14. Ali Anil Silaci (Ms, 2009) A conformance and interoperability test suite for Turkey's NHIS and an interactive test control and monitoring environment
    15. Ender Sevinc(PhD,2009), Query Optimization in Distributed Databases
    16. Dilixati Abudula(Ms,2006), A Performance Comparison of Multiple Query Optimization Heuristics
    17. Tayfun Yagci(Ms,2005), ACOUSTIC SIGNATURE GENERATION FROM SONAR DATA
    18. Hacer Yalim (M.S., June 2005), Acceleration of direct volume rendering with texture slabs on programmable graphics hardware
    19. Onur Aymak (M.S., August 2004), AD HOC PACKET ROUTING SIMULATION AND TACTICAL PICTURE DISPLAY TOOL FOR NAVY
    20. Zulfu Orenc (M.S., June 2004), A Study of Kangaroo Transaction Model for Mobile Transaction Management
    21. 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
    22. 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
    23. Omer Necip Hamali (M.S. 2003) Storing and querying user context information using ontologies and trusted authorities
    24. Yusuf Tambag (M.S., February 2003), Design and implementation of an ebXML compliant B2B interoperability platform
    25. Ender Sevinc (M.S., April 2000), Dynamic Modification of XML Documents
    26. Atakan Erdem (M.S., January 1999), Rapid Application Development Classes for Database Applications
    27. Okan Gocmenoglu (M.S., January 1999),Component Based Application Development
    28. Olcay Sarioglu (M.S., January 1999), Benchmarking of a Student Information Database
    29. 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)