DRAGOLJUB POKRAJAC page 1
PROGRAMMING Address: 9401 Ashton Rd, Apt. C3, Philadelphia, PA 19114
LANGUGAGES: Phone: (215) 676-7351 (home); (215) 204-5908 (office)
• C++ Fax: (215) 676-7351 (home); (215) 204-5082 (office)
• C E-mail: firstname.lastname@example.org
OBJECTIVE To pursue research/development of applied statistical, data-
• Fortran 90 mining, and pattern recognition systems for classification,
• COBOL inferences and decision support.
• 80xxx assembler
EDUCATION Ph.D. candidate in Computer Science, Temple University,
Philadelphia, PA. Anticipated graduation: Spring 2002.
SYSTEMS: Related Coursework
• Unix Data mining, Neural networks. Machine learning, Spatial statistics, Applied statistics,
• Linux Econometrics. Advanced databases, Operating systems. Computer networks. Theory of
• Windows algorithms and computability. Graph theory. Numerical analysis. Digital signal
NT/2000/XP processing. Image processing.
• Windows 95/98/
• MSDOS Ph.D. Student, Computer Science, Washington State University Pullman, WA, 1997-2000
• VMS GPA 4.00
M.S. Telecommunication systems, University of Nis, Serbia,
• Matlab, GPA 4.00
Mathematica, B.S, Electronics, minor Telecommunications, University of Nis, Serbia,
Origin, Vissim, 1993
Partek GPA 4.00
• SAS, R, S-Plus PATENTS
• Arcview, ArcInfo,
GSLIB Z. Obradovic, T. Fiez, A. Lazarevic, S. Vucetic, D. Pokrajac: B-094, Systems and
• CorelDraw! Methods for Knowledge Discovery in Spatial Data, Patent disclosure filed January 2001,
MSOffice, Reference: S/N 09/753,363.
• MSFrontPage, PUBLICATIONS
• Orcad, Spice BOOK:
Z. Nikolic, N. Stojanovic, D.Pokrajac, V. Smiljanic, N. Milosevic, Telecommunication
DATA BASES: Laboratory Manual, Elektronski Fakultet Nis, 1998, (in Serbian).
• Oracle PUBLISHED JOURNAL ARTICLES:
• SQL D.Pokrajac, T. Fiez, Z. Obradovic, “A Data Generator for Evaluating Spatial Issues in
Precision Agriculture,” Precision Agriculture, 2002, in press.
• Measurement in D. Pokrajac, A. Lazarevic, Z.Obradovic, “Exploration-Exploitation Trade-Off in
electronics Machine Learning,” Facta Universitatis, Ser. Elect. and Energ, Vol. 14, No. 1, pp. 67-90,
• Microwave 2001.
equipment S. Glisic, Z. Nikolic, D. Pokrajac, P. Leppanen, “Performance Enhancement of DS
Spread Spectrum systems: Two Dimensional Interference Suppression,” IEEE Trans.
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S. Glisic, Z. Nikolic, D. Pokrajac, “ASK Signal Influence Rejection in DS Spread Spectrum Systems,” Facta
Universitatis, Ser. Elect. and Energ. Vol. 10, No. 1, pp. 57-63, 1997.
D. Pokrajac, Z.Nikolic, “A Correction to Kurt Metzger's algorithm,” IEEE Trans. Communication, Vol. 42,
No. 12, pp. 2868, 1995.
JOURNAL ARTICLES IN REVIEW:
D. Pokrajac, Z.Obradovic, “Spatial-Temporal Prediction with Partial Attribute Observability,” submitted to
Computers and Geoscience, December 3rd, 2001.
D. Pokrajac, Z.Obradovic, “Using Spatial Residuals in Recent History for Spatial-Temporal Forecasting,”
revision submitted to Knowledge and Information Systems, November 1st, 2001.
JOURNAL ARTICLES IN PREPARATION:
D.Pokrajac, Z.Obradovic, “The Role of Ordering in Grading Quantitative-Based Students’ Assignments,” to
be submitted in May 2002, IEEE. Trans. Education.
D.Pokrajac, V. Megalooikonomou, A. Lazarevic, Z.Obradovic, “Novel Recursive Partitioning Method for
Knowledge Discovery in Multidimensional Imagery,” to be submitted in April 2002.
D.Pokrajac, V. Megalooikonomou, A. Lazarevic, Z.Obradovic, “Classification of 3D Medical Images,” to be
submitted in March 2002, Computer Methods and Programs in Biomedicine.
D.Pokrajac, Z.Obradovic, J. Milutinovich, “Toward Neural Network-Based Profit Optimization,” to be
submitted in February 2002, IEEE Trans. Neural Networks.
SELECTED CONFERENCE PAPERS (COMPLETE LIST AVAILABLE ON REQUEST):
Classification of Medical Images
V. Megalooikonomou, D.Pokrajac, A. Lazarevic, Z.Obradovic, “Effective Classification of 3D Image Data
using Partitioning Methods,” SPIE Visualization and Data Analysis Conference, 2002.
A. Lazarevic, D.Pokrajac, V. Megalooikonomou, Z.Obradovic, “Distinguishing Among 3-D Distributions for
Brain Image Data Classification,” Proc. 4th International Conference on Neural Networks and Expert Systems
in Medicine & Healthcare, NNESMED, Milos Island, 2001.
D.Pokrajac, A. Lazarevic, Z.Obradovic, V. Megalooikonomou, “Classification of Brain Image Data using
Measures of Distributional Distance,” 7th Annual Meeting of the Organization for Human Brain Mapping,
HBM 2001, 2001.
Spatial and Spatial-Temporal Data Mining
D.Pokrajac, “Spatial-Temporal Data Mining on Data with Short Observation History,” IPAM Mathematical
Challenges in Scientific Data Mining Workshop, 2002.
D. Pokrajac, Z. Obradovic, “Improved Spatial-Temporal Forecasting through Modeling of Spatial Residuals in
Recent History,” First SIAM International Conference on Data Mining, 2001.
D. Pokrajac, T. Fiez, Z.Obradovic, “A Tool for Controlled Knowledge Discovery in Spatial Domains,” Proc.
14th European Simulation Multiconference (ESM), 2000.
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D.Pokrajac, Z. Obradovic, “Neural Network-Based Software for Fertilizer Optimization in Precision
Farming,” Proc. International Joint Conference on Neural Networks, Vol. 3, pp. 2110-2115, 2001.
D. Pokrajac, Z. Obradovic, “A Neural Network-Based Method for Site-Specific Fertilization
Recommendation,” ASAE Annual Meeting, paper # 01-3111, 2001.
D. Pokrajac, Z.Obradovic, T. Fiez, “Understanding the Influence of Noise, Sampling Density and Data
Distribution on Spatial Prediction Quality through the Use of Simulated Data,” Proc. 14th European Simulation
Multiconference (ESM), 2000.
D. Pokrajac, T. Fiez, D. Obradovic, S. Kwek, Z. Obradovic, “Distribution Comparison for Site-Specific
Regression Modeling in Agriculture,” Proc. International Joint Conference on Neural Networks, 1999.
D. Pokrajac, A. Lazarevic, S. Vucetic, T. Fiez, Z.Obradovic, “Image Processing in Precision Agriculture,”
proc. TELSIKS'99, pp. 616-619, 1999.
D. Pokrajac, Z.Obradovic, “Learning Heterogeneous Functions from Small and Non-Uniform Samples,” Proc.
International Joint Conference on Neural Networks, 2000.
Lazarevic, D. Pokrajac, Z.Obradovic, “Distributed Clustering and Local Regression for Knowledge Discovery
in Multiple Spatial Databases,” Proc. European Symposium on Artificial Neural Networks, 2000.
A. Lazarevic, D. Pokrajac, Z. Obradovic, “An E-commerce System for Mining Distributed Spatial Databases,”
Proc. SSGRR'2000, International Conference on Advances in Infrastructure for Electronic Business, Science,
and Education on the Internet, Italy, 2000.
Telecommunication and Signal Processing
Z. Nikolic, D. Pokrajac, N. Milosevic, “Narrowband Interference Rejection in DS-SS/QPSK Systems Using
Complex Block LMS Algorithm, “ Proc. CSDSP ’98, Sheffield, England, pp. 383-386, 1998.
D.Pokrajac, N. Milosevic, Z. Nikolic, “Correlation Matrix Eigenvalue Behaviour In Narrowband Interference
Surpression at DS-SS/QPSK Transmission,” Conference on Communications ’98, Bucharest, Romania, pp.
Z. Nikolic, I. Miletic, D. Pokrajac, “Performance of Orthogonal Multi-carrier DS/CDMA in Non-fading and
Frequency Nonselective Fading Channels,” Proc. 9th International Symposium on Theoretical Electrical
Engineering (ISTET ’97) Palermo, 1997.
Z. Nikolic, D. Pokrajac, “Multiple PSK Interference Suppression in DS-SS/QPSK Signal,” Proc. 9th
International Symposium on Theoretical Electrical Engineering (ISTET ’97) Palermo, 1997.
Z. Nikolic, D. Pokrajac, “Chip Pulse Shape Optimal Choice in DS/CDMA Systems with BPSK Modulation
Scheme,” Proc. 8th International Symposium on Theoretical Electrical Engineering (ISTET ’95) Thessaloniki,
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Z. Nikolic, D.Pokrajac, B. Dimitrijevic, “A New Approach to the Evaluation of Error Probability in the
Presence of Sinusoidal Disturbance,” ITP ’95, Novi Sad, 1995.
D. Pokrajac, Z.Nikolic, “A New Quadrature Formula for Probability Error Evaluation,” Proc. 38th ETRAN
Conference, Nis, 1994.
CONFERENCE PAPERS IN REVIEW:
D.Pokrajac, R. Hoskinson, A. Lazarevic, Z.Obradovic, “Spatial-Temporal Techniques for Prediction and
Compression of Soil Fertility Data,” submitted to 6th International Conference on Precision Agriculture,
Minneapolis, MN, December 15th, 2001.
R. Hoskinson, D.Pokrajac, Z.Obradovic, A. Lazarevic, “The Unpredictability of Soil Fertility across Space
and Time”, submitted to 6th International Conference on Precision Agriculture, Minneapolis, MN, December
D.Pokrajac, Z.Obradovic, Spatial-Temporal Autoregressive Model on Uniform Sampling Grid, Technical
Report CIS TR 2001-05, Temple University, 2001.
Software Engineer Summer 2000 Advanced Biometrics, Inc.,
Develop biometrics palm recognition security access systems. Improve accuracy and performance of image
classification neural network algorithms in a C++ client-server environment.
Teaching Assistant Spring 2001 Temple
Write demos for classes and teach Advanced Databases and Machine Learning.
Teaching Assistant 1998-2000 Washington State
Teach Visual Basic, Programming in C, Databases and Theory of Algorithms.
Assistant Lecturer 1994-1997 University of
Improve labs in Foundation of Telecommunications. Administer lab computer network. Teach labs and classes,
in Foundation of Telecommunications, Digital Telecommunications, Digital Signal Processing,
Telecommunication Networks, and Electrical Engineering Basics.
Research Assistant 2000-Present Temple University
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Knowledge discovery in multidimensional medical images. Classification and discovery of regions of interest
using statistical, partitioning-based methods and neural networks. Clinical applications (ADHD, Alzheimer’s
disease). Analysis of microarray data. Multispectral imagery. MRI.
Protein disorder classification in biochemistry and biophysics. (funded by NIH).
Spatial-temporal data-mining and statistics in environmental science, remote sensing and geosciences. Data
reduction in spatial-temporal databases. Data compression through controllable sampling and model sensitivity
analysis. Discovery of predictable spatial subsets (funded by INEEL, Department of Energy).
Non-linear profit optimization. Business valuation. E-commerce. Statistical marketing research for non-profit
organizations. Decision trees. CART.
Research Assistant 1998-2000 Washington State
Knowledge discovery in databases. Statistics. Classification, linear and non-linear regression, ANOVA. Spatial-
temporal data: simulation, prediction and visualization. Spatial statistics. Time-series. Neural networks, Radial
basis functions, Genetic algorithms. Clustering, linear and nonlinear principal component analysis, feature
Precision agriculture. Geostatistics. Simulation. Soil sampling, crop yield prediction. Fertilizer recommendation.
Geographic information systems. Analysis and visualization of topographic data. (funded by INEEL, Department
Business valuation. E-commerce. CRM. (funded by ValueMiner, Inc.).
Research Assistant 1994-1997 University of
Digital signal processing. Adaptive filters. Interference suppression in telecommunications. Noise cancellation
in acoustics. Simulation of spread-spectrum telecommunication systems. Numerical methods. (Funded by
Serbian Department of Science and Technology).
Travel Award, Mathematical Challenges in Scientific Data Mining Workshop, 2002.
Best Presentation Award, International Joint Conference on Neural Networks (IJCNN), 2001.
Travel Award, First SIAM International Conference on Data Mining, 2001.
Graduate Student Research Award, Temple University, 2001.
Travel Award, ISTET ’97, Palermo, 1997.
Travel Award, ISTET ’95, Thessaloniki, 1995.
Fellowship, Serbian Department of Science and Technology, 1994.
Summa Cum Laude, undergraduate studies finished one year before anticipated graduation date, 1993.
Scholarship, Serbian National Academy of Science and Arts, 1991-1994.
Third Prize, Serbian High School Students’ Competition in Mathematics, 1989.
First Prize, Serbian High School Students’ Championship “Archimedes”, 1987.
Second Prize, Serbian High School Students’ Championship “Archimedes”, 1986.
First Prize, on District Student Competition in Photography, 1986.
The Best Young Mathematician in Generation, 1985.
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Second Prize, Serbian Middle School Students’ Competition in Mathematics, 1984.
LEADERSHIP Member, deputy treasurer and chief information officer at Church Executive Board. Senator of
University Student Union. Member of University Cultural Center Advisory Board. Student-
member of Department Advisory Board. President of Student Union at High School.
LANGUAGES Read Russian. Native language Serbo-Croatian.