Research Interests

Machine Learning


Education and Training

Research and Professional Experience


Supervised PhD and MS Students

A photo with our PhDs.

Research experience for BS students


Students' comments and evaluation scores.
I teach or have taught the following subjects: Machine Learning, Data Mining, Pattern Recognition, Neural Networks, Bioinformatics, Algorithms, Numerical Analysis, Scientific Computing, Data Structures, and Embedded Systems.



Wilcox P, Horton T, Youn E, Jeong M, Tate D, Herrman T, Nansen C, "Evolutionary Refinement Approaches for Band Selection of Hyperspectral Images with Applications to Automatic Monitoring of Animal Feed Quality." Intelligent Data Analysis. (In press)

Zhao C, Qi B, Youn E, "The Analysis of Hyperspectral Image Classification Based on Monte Carlo Feature Reduction Method with Small Training Samples." Journal of Infrared and Millimeter Waves 32(1): 62-7, 2013

Velten J, Cakir C, Youn E, Chen J, Cazzonelli C, "Transgene Silencing and Transgene-derived siRNA Production in Tobacco Plants Homozygous for an Introduced AtMYB90 Construct." PLoS ONE 7(2):e30141, 2012

Qi B, Zhao C, Youn E, Nansen C, "Use of Weighting Algorithms to Improve Traditional Support Vector Machine based Classification of Reflectance Data." Optics Express 19(27):26816-26, 2011

Koenig L, Youn E, "Hierarchical Signature Clustering for Time-Series Microarray Data." Advances in Experimental Medicine and Biology, 696:57-65, 2011

Bryan A, Watters C, Koenig L, Youn E, Olmos A, Li G, Simon W, Rumbaugh K, "Human transcriptome analysis reveals a potential role for active transport in the metabolism of Pseudomonas aeruginosa autoinducers." Microbes and Infection 12(12-13):1042-50, 2010

Finegold S, Dowd S, Gontcharova V, Liu C, Henley K, Wolcott R, Youn E, Summanen P, Granpeesheh D, Dixon D, Liu M, Molitoris D, Green J, "Pyrosequencing study of fecal microflora of autistic and control children." Anaerobe 16(4):444-53, 2010

Gontcharova V, Youn E, Wolcott R, Hollister E, Gentry T, Dowd S, "Black Box Chimera Check (B2C2): a windows-based software for batch depletion of chimeras from bacterial 16S datasets." The Open Microbiology Journal, 4:47-52, 2010

Richardson C, Luo Q, Gontcharova V, Jiang Y, Samanta M, Youn E, Rock C, "Computational analysis of Arabidopsis whole genome tiling microarray antisense gene expression and small RNAs suggests mis-annotation of 'orphan' protein-coding genes." PLoS ONE 5(5):e10710, 2010

Youn E, Koenig L, Jeong MK, Baek SH, "Support Vector Based Feature Selection using Fisher's Linear Discriminant and Support Vector Machine." Expert Systems With Applications 37(9):6148-56, 2010

Gontcharova V, Youn E, Sun Y, Wolcott R, Dowd S, "A comparison of bacterial composition in diabetic ulcers and contralateral intact skin." The Open Microbiology Journal 4:8-19, 2010

Dowd S, Crippen T, Sun Y, Gontcharova V, Youn E, Muthaiyan A, Wolcott R, Callaway T, Ricke S, "Microarray analysis and draft genomes of two Escherichia coli O157:H7 lineage II cattle isolates FRIK966 and FRIK2000 investigating lack of Shiga toxin expression." Foodborne Pathogens and Disease 7(7):763-73, 2010

Pitta DW, Pinchak WE, Dowd SE, Osterstock J, Gontcharova V, Youn E, Dorton K, Yoon I, Min BR, Fulford JD, Wickersham TA, Malinowski DP. "Rumen Bacterial Diversity Dynamics Associated with Changing from Bermudagrass Hay to Grazed Winter Wheat Diets." Microbial Ecology 59(3):511-22, 2010

Koenig L, Youn E, "Hierarchical Signature Clustering for Time-series Microarray Data." In Proc. of The 2009 International Conference on Bioinformatics and Computational Biology (BIOCOMP'09: July 13-16, 2009, Las Vegas, Nevada), pp 159-66

Youn E, Jeong MK, "Class Dependent Feature Scaling Method using Naive Bayes Classifier for Text Datamining." Pattern Recognition Letters 30(5):477-85, 2009

Chen JY, Youn E, Mooney SD, "Connecting protein interaction data, mutations and disease using bioinformatics." Methods in Molecular Biology 541:449-61, 2009

Cho HW, Baek SH, Youn E, Jeong MK, Taylor A, "A Two-Stage Classification Procedure for Near-Infrared Spectra Based on Multi-Scale Vertical Energy Wavelet Thresholding and SVM-Based Gradient-Recursive Feature Elimination." Journal of the Operational Research Society, 60:1107-15, 2009

Alabady M,Youn E, Wilkins T, "Double Feature Selection and Cluster Analyses in Mining of Microarray Data from Cotton." BMC Genomics 9:295, 2008

Vu K, Youn E, "Protein Classification Using a Structural Hidden Markov Model." BMIC 2008, June 29 - July 2, Orlando, Florida (Best Paper Award)

Gontcharova V, Youn E, Richardson C, Morton C, Samanta M, Luo Q, Rock C, "Feature Evaluation of the Support Vector Machine for micro-RNA Target Site Prediction In Arabidopsis thaliana." BCBGC08, July 7-10, 2008, Orlando, Florida

Firpi H, Youn E, Mooney SD, "Comparative Study of Particle Swarm Approaches for the Prediction of Functionally Important Residues in Protein Structures." BioCom2008, Okinawa, Japan, 2008

Youn E, Peters B, Radivojac P, Mooney SD, "Evaluation of Features for Catalytic Residue Prediction in Novel Folds." Protein Science 16(2):216-26, 2007

Youn E, "Improving a Protein Structure Similarity Measure Using Inter-residue Distance Matrices." In Proc. of The 2007 International Conference on Bioinformatics & Computational Biology (BioComp'07:June 25-28, 2007, Las Vegas, Nevada) pp714-20

Alabady M, Youn E, Wilkins T, "Double Feature Selection and Cluster Selection Analyses in Developing Cotton Fiber Microarray Data." In Proc. 2007 of International Conference on Bioinformatics & Computational Biology (BIOCOMP'07: June 25-28, 2007, Las Vegas, Nevada)

Peters B, Moad C, Youn E, Buffington K, Heiland R, Mooney SD, "Identification of Similar Regions of Protein Structures Using Integrated Sequence and Structure Analysis Tools." BMC Structural Biology 6:4, 2006

Fu LM, Youn E, "Improving Reliability of Gene Selection From Microarray Functional Genomics Data." IEEE Transactions on Information Technology in Biomedicine 7(3):191-6, 2003