DRAGOLJUB POKRAJAC                                                        page 1

PROGRAMMING           Address:       940...
DRAGOLJUB POKRAJAC   page 2

Communication,
Vol. 47, No. 10,
pp.1549-1560,
1999.
DRAGOLJUB POKRAJAC                                                    page 3

S. Glisic, Z. Nikolic, D. Pokrajac, “ASK Sig...
DRAGOLJUB POKRAJAC                                                      page 4

Precision Agriculture
D.Pokrajac, Z. Obrad...
DRAGOLJUB POKRAJAC                                                       page 5

     Applied Mathematics
     Z. Nikolic,...
DRAGOLJUB POKRAJAC                                                           page 6

      Knowledge discovery in multidim...
DRAGOLJUB POKRAJAC                                                     page 7

Second Prize, Serbian Middle School Student...
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  1. 1. 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: pokie@ist.temple.edu • Java Web-page: www.ist.temple.edu/~pokie • VisualBasic • Pascal 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. OPERATING 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/ Previous Education Me • 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, APPLICATIONS: 1997 • 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. MSPhotoDraw. • MSFrontPage, PUBLICATIONS HTML • Orcad, Spice BOOK: • LaTeX 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: • Postgres • SQL D.Pokrajac, T. Fiez, Z. Obradovic, “A Data Generator for Evaluating Spatial Issues in Precision Agriculture,” Precision Agriculture, 2002, in press. LABORATORY: • 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. measurement equipment S. Glisic, Z. Nikolic, D. Pokrajac, P. Leppanen, “Performance Enhancement of DS Spread Spectrum systems: Two Dimensional Interference Suppression,” IEEE Trans.
  2. 2. DRAGOLJUB POKRAJAC page 2 Communication, Vol. 47, No. 10, pp.1549-1560, 1999.
  3. 3. DRAGOLJUB POKRAJAC page 3 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.
  4. 4. DRAGOLJUB POKRAJAC page 4 Precision Agriculture 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. Machine Learning 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. E-Commerce 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. 331-336, 1998. 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, 1995.
  5. 5. DRAGOLJUB POKRAJAC page 5 Applied Mathematics 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 15th, 2001. TECHNICAL REPORTS: D.Pokrajac, Z.Obradovic, Spatial-Temporal Autoregressive Model on Uniform Sampling Grid, Technical Report CIS TR 2001-05, Temple University, 2001. WORK EXPERIENCE • INDUSTRY Software Engineer Summer 2000 Advanced Biometrics, Inc., Puyallup, WA Develop biometrics palm recognition security access systems. Improve accuracy and performance of image classification neural network algorithms in a C++ client-server environment. • TEACHING Teaching Assistant Spring 2001 Temple University Write demos for classes and teach Advanced Databases and Machine Learning. Teaching Assistant 1998-2000 Washington State University Teach Visual Basic, Programming in C, Databases and Theory of Algorithms. Assistant Lecturer 1994-1997 University of Nis 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 EXPERIENCE Research Assistant 2000-Present Temple University
  6. 6. DRAGOLJUB POKRAJAC page 6 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 University 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 reduction. Precision agriculture. Geostatistics. Simulation. Soil sampling, crop yield prediction. Fertilizer recommendation. Geographic information systems. Analysis and visualization of topographic data. (funded by INEEL, Department of Energy). Business valuation. E-commerce. CRM. (funded by ValueMiner, Inc.). Research Assistant 1994-1997 University of Nis 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). AWARDS/HONORS 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.
  7. 7. DRAGOLJUB POKRAJAC page 7 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.

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