Haesun Park

2013

• Screen space- and perception-based framework for efficient algorithms in large-scale visual analytics,
  IEEE Computer Graphics and Applications, to appear. (with J. Choo)
• An interactive visual testbed system of dimension reduction and clustering for large-scale highdimensional data,
  IS&T/SPIE Electonics Imaging 2013: Conference on Visualization and Data Analysis, Feb. 2013, Burlingame, CA, USA. (with J. Choo, H. Lee, Z. Liu, and J. Stasko)
• Algorithms for nonnegative matrix and tensor factorizations: A unified view based on block coordinate descent framework,
  Journal of Global Optimization, 2013. (with J.Kim and Y. He)

2012

• Unfolding Latent Tree Structures using 4th Order Tensors,
  arXiv preprint arXiv:1210.1258, 2012. (with M. Ishteva, and L. Song)
• A Visual Analytics Approach for Protein Disorder Prediction,
  Expanding the Frontiers of Visual Analytics and Visualization pp. 163-174, 2012. (with J. Choo, L. Fuxin, and K. Joo)
• Combining computational analyses and interactive visualization for document exploration and sensemaking in Jigsaw,
  IEEE Transactions on Visualization and Computer Graphics, accepted, December 2012. (with C. Goerg, Z. Liu, J. Kihm, J. Choo, and J. Stasko)
• iVisClustering:an interactive visual document clustering via topic modeling,
  Computer Graphics Forum, 31(3pt3):1155-1164, 2012. (with H. Lee, J. Kihm, J. Choo, and J. Stasko)
• Bounded matrix low rank approximation,
  IEEE International Conference on Data Mining (ICDM12), 2012. (with R. Kannan and M. Ishteva)
• Learning the dependency structure of latent factors,
  Conference on Neural Information Processing Systems (NIPS12), pp. 2375-2383, 2012. (with Y. He, Y. Qi, and K. Kavukcuoglu)
• Fast Bregman divergence NMF using Taylor expansion and coordinate descent,
  Proceedings of ACM SIG Conference on Knowledge Discovery and Data Mining (KDD12), pp. 307-315, Beijing, China, 2012. (with L. Li and G. Lebanon)
• Command Generation Techniques for a Pin Array using the SVD and the SNMF,
  Proceedings of the 10th IFAC Symposium on Robot Control (SYROCO12), pp. 411-416, Dubrovnik, Croatia, 2012. (with R. Winck, J. Kim, and W.Book)
• Semi-Nonnegative Matrix Factorization for Input-coupled Systems,
  Proceedings of the American Control Conference, pp. 3484-3489, Montreal, Canada, 2012. (with R. Winck, J. Kim, and W. Book)
• Symmetric nonnegative matrix factorization for graph clustering,
  Proceedings of the SIAM International Conference on Data Mining, 2012. (with D. Kuang and C. Ding)
• Group sparsity in nonnegative matrix factorization,
  Proceedings of the SIAM International Conference on Data Mining, 2012. (with J.Kim and R. Monteiro)
• Heterogeneous data fusion via space alignment using nonmetric multidimensional scaling,
  Proceedings of the SIAM International Conference on Data Mining, 2012. (with J. Choo et al.)
• A control loop structure based on semi-nonnegative matrix factorization for input-coupled systems,
  Proceedings of the SIAM International Conference on Data Mining, 2012. (with R. Winck, J. Kim and W. Book)

2011

• Polynomial-time approximation scheme for minimum connected dominating set under routing cost constraint in wireless sensor networks,
  Theoretical Computer Science, 2011 (with H. Du, Q. Ye, J. Zhong, Y. Wang, and W. Lee)
• Fast nonnegative matrix factorization: An active-set-like method and comparisons,
  SIAM Journal on Scientific Computing, 33(6), pp. 3261-3281, 2011. (with J.Kim)
• Fast nonnegative tensor factorization with an active-set-like method,
  High Performance Scientific Comptuing: Algorithms and Applications, Springer, 2011. (with J.Kim)
• Sparse nonnegative matrix factorization for protein sequence motif discovery,
  Expert Systems and Applications, 38(10):13198-13207, 2011. (with W.Kim, B. Chen, J. Kim, and Y. Pan)
• A fast algorithm for sparse PCA and a new sparsity control criteria,
  Proceedings of SIAM International Conference on Data Mining, Mesa, AR, April, 2011. (with Y. He, R. Monteiro)
• Statistical optimization of non-negative matrix factorization,
  Proceedings of The Fourteenth International Conference on Artificial Intelligence and Statistics (AISTATS) 2011, JMLR: W&CP 15, pp 128-136, Fort Lauderdale, FL, USA, Apr. 11-13, 2011. (with A. Korattikara, L. Boyles, M. Welling, and J. Kim)

2010

• Generalized Singular Value Decomposition based algorithm for multi-user multiple-input multiple-output linear precoding and antenna selection,
  IET Communications, 4(16):1899-1907, 2010. (with J. Park and J. Chun)
• PTAS for minimum connected dominating set with routing cost constraint in wireless sensor networks,
  Proceedings of the 4th Annual International Conference on Combinatorial Optimization and Applications, pp. 252-259, The Big Island, Hawaii, 2010. (with H. Du, Q. Ye, J. Zhong, and W. Lee)
• iVisClassifier: An interactive visual analytics system for classification based on supervised dimension reduction,
  Proceedings of the IEEE Visual Analytics Science and Technology (VAST10) Conference, Salt Lake City, Utah, October, 2010. (with J. Choo, H. Lee, and J. Kihm)
• Fast active-set-type algorithms for L1-regularized linear regression,
  Proceedings of the Thirteenth Internional Conference on Artificial Intelligence and Statistics (AISTATS10), May 2010. (with J. Kim)
• Supervised Raman spectra estimation based on Nonnegative rank deficient least squares,
  Proceedings of the 13th International Conference on Information Fusion, Edinburgh, 2010. (with B. Drake, J. Kim, and M. Mallick)
• p-ISOMAP: Efficient Parameter Update for ISOMAP with Applications to Visualization,
  Proceedings of SIAM International Conference on Data Mining, 2010. (with J. Choo, C. Reddy, and H. Lee)

2009

• Data Transformations and Representations for Computation and Visualization,
  Information Visualization, 8:275-285, 2009. (with D.J. Kasik, D. Ebert, G. Lebanon, and W.M. Pottenger)
• Raman spectra estimation with classical and nonnegative least squares,
  Proceedings of the joint conference of ASCM2009 and MACIS2009, pp. 44-53, Fukuoka, Japan, December 14-17, 2009. (with B. Drake, J. Kim, and M. Mallick)
• Comparison of Raman spectra estimation algorithms,
  Proceedings of the 12th International Conference on Information Fusion, pp. 2239-2246, Seattle, WA, July 6-9, 2009. (with M. Mallick, B. Drake, et al.)
• Efficient GSVD based multi-user MIMO linear precoding and antenna selection scheme,
  Proceedings of IEEE International Conference on Communications (ICC09), pp. 1-6, Dresden, Germany, June 14-18, 2009. (with J. Park and J. Chun)
• Two-stage Methods for Linear Discriminant Analysis: Equivalent Results at a Lower Cost,
  Technical Report GT-CSE, 2009 (with P. Howland)
• Two-stage Framework for Visualization of Clustered High Dimensional Data,
  Proceedings of IEEE Symposium on Visual Analytics Science and Technology, 2009 (with J. Choo and S. Bohn)
• Hierarchical Linear Discriminant Analysis for Beamforming,
  Proceedings of the SIAM International Conference on Data Mining, pp. 894-905, 2009. (with J. Choo and B.L. Drake)

2008

• Statistical properties analysis of real world tournament selection in genetic algorithms,
  Applied Intelligence, 28-2:195-205, 2008. (with S. Lee, S. Soak, and M. Jeon)
• Toward Faster Nonnegative Matrix Factorization: A New Algorithm and Comparisons,
  Proceedings of the IEEE International Conference on Data Mining, pp. 353-362, 2008. (with J. Kim)
• Linear Discriminant Analysis for Hierarchically Clustered Data with Regularization,
  Proceedings of the International Conference on Pattern Recognition, 2008. (with J. Choo and B.L. Drake)
• Sparse Nonnegative Matrix Factorization for Clustering,
  Technical Report GT-CSE-08-01, 2008 (with J. Kim)
• A comparison of generalized linear discriminant analysis algorithms,
  Pattern Recognition, 41-3:1083-1097, 2008.
  (with C. Park)
• Nonnegative Matrix Factorization Based on Alternating Non-negativity-constrained Least Squares and the Active Set Method,
  SIAM Journal on Matrix Analysis and Applications,30(2):713-730, 2008.
  (with H. Kim)

2007

• Binary particle swarm optimization with bit change mutation,
  IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, E90-A-10:2253-2256, 2007. (with S. Lee and M. Jeon)
• Quality assessment of gene selection in microarray data,
  Optimization Methods and Software, 22-1:145-154, 2007. (with C. Park, M. Jeon, and P. Pardalos)
• Distance preserving dimension reduction using the QR factorization and the Cholesky factorization,
  Proceedings of IEEE 7th International Conference on Bioinformatics and Bioengineering (BIBE07), Vol. I, pp. 263-269, Boston, MA, Oct. 14-17, 2007. (with H. Kim and H. Zha)
• A comparison of unsupervised dimension reduction algorithms for classification,
  Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine 2007 (BIBM07), pp. 71-77, Silicon Valley, CA, Nov. 2-4, 2007. (with J. Choo, H. Kim, and H. Zha)
• Cancer class discovery using non-negative matrix factorization based on alternating non-negativity constrained least squares,
  Proceedings of ISBRA International Symposium on Bioinformatics Research and Applications (ISBRA07), Lecture Notes in Computer Science, Bioinformatics Research and Applications, 4462/2007, pp. 477-487, 2007, Springer. (with H. Kim)
• Distance preserving dimension reduction for manifold learning,
  Proceedings of SIAM International Conference on Data Mining (SDM07), pp. 527-532, Minneapolis, MN, April, 2007. (with H. Kim and H. Zha)
• Non-negative tensor factorization based on alternating large-scale non-negativity-constrained least squares,
  Proceedings of IEEE 7th International Conference on Bioinformatics and Bioengineering (BIBE07),Vol. II, pp. 1147-1151, 2007.
  (with H. Kim and L. Elden)
• Fast Linear Discriminant Analysis using QR Decomposition and Regularization,
  Technical Report GT-CSE-07-21, 2007
  (with B. Drake, S. Lee, and C. Park)
• Sparse Non-negative Matrix Factorizations via Alternating Non-negativity-constrained Least Squares for Microarray Data Analysis,
  Bioinformatics, 23-12:1495-1502, 2007.
  (with H. Kim)
• Extracting Unrecognized Gene Relationships from the Biomedical Literature via Matrix Factorizations,
  BMC Bioinformatics, 8(supp 9):S6, 2007.
  (with H. Kim, and B. Drake )
• Multiclass Classifiers Based on Dimension Reduction with Generalized LDA,
  Pattern Recognition, 40-11:2939-2945, 2007.
  (with H. Kim, and B. Drake )
• CallRank: Combating SPIT using call duration, social networks, and global reputation,
  The Proceedings of the Fourth Conference on Email and Anti-Spam (CEAS2007), Mountain View, CA, Aug. 2007.
  (with V.A. Balasubramaniyan and M. Ahamad)

2006

• Sparse non-negative matrix factorizations via alternating non-negativity-constraint least squares,
  Proceedings of the IASTED International Conference on Computational and Systems Biology (CASB06), pp. 95-100, Dallas, TX, November, 2006. (with H. Kim)
• Orthogonal nonnegative matrix tri-factorizations for clustering,
  Proceedings of the twelfth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD06), pp. 126-135, Philadelphia, PA, 2006. (with C. Ding, T. Li, and W. Peng)
• Discriminant analysis using nonnegative matrix factorization for nonparametric multiclass classification,
  Proceedings of the IEEE International Conference on Granular Computing, pp. 182-187, Atlanta, GA, May 10-12, 2006. (with H. Kim)
• Feature extraction via generalized uncorrelated linear discriminant analysis,
  IEEE Transactions on Knowledge and Data Engineering, vol. 18, No. 10, pp. 1312-1322, 2006.
  (with J. Ye, R. Janarda, and Q. Li )
• Adaptive nonlinear discriminant analysis by regularized minimum squared errors,
  IEEE Transactions on Knowledge and Data Engineering,Vol. 18, No. 5, pp. 603-612, 2006
  (with H. Kim and B. Drake)
• Solving the small sample size problem in face recognition using generalized discriminant analysis,
  Pattern Recognition, 39-2, pp. 277-287, 2006.
  (with P. Howland and J. Wang)

2005

• Two-dimensional concept vector machines based on an ionic interaction model,
  Proceedings of the IEEE International Conference on Neural Networks and Brain (ICNN&B2005), pp. 1991-1995, Beijing, China, October 13-15, 2005, Vol. 3. (with H. Kim)
• A relationship between LDA and the generalized minimum squared error solution,
  SIAM Journal on Matrix Analysis and Applications, 27-2, pp. 474-492, 2005.
  (with C. Park)
• Nonlinear discriminant analysis using kernel functions and the generalized singular value decomposition,
  SIAM Journal on Matrix Analysis and Applications, 27-1, pp. 98-102, 2005.
  (with C. Park)
• A three-stage framework for gene expression data analysis by L1 norm support vector regression,
  International Journal of Bioinformatics Research and Applications, 1-1, pp. 51-62, 2005.
  (with H. Kim, J. Zhou, and H. Morse)
• Fingerprint classification using fast Fourier transform and nonlinear discriminant analysis,
  Pattern Recognition, Vol. 38, No. 4, pp. 495-503, 2005.
  (with C. Park)
• IDR/QR: An incremental dimension reduction algorithm via QR decomposition,
  IEEE Transaction on Knowledge and Data Engineering, Special Issue - Intelligent Data Preparation, 17-9:1208-1222, 2005.
  (with J. Ye, Q. Li, H. Xiong, R. Janardan, and V. Kumar)
• Missing value estimation for DNA microarray expression data: local least squares imputation,
  Bioinformatics, 21-2, pp. 187-198, 2005.
  (with H. Kim and G. Golub)
• Dimension reduction in text classification using support vector machines,
  Journal of Machine Learning Research, 6, pp. 37-53, 2005
  (with H. Kim and P. Howland)

2004

• A comparative study of linear and nonlinear feature extraction methods,
  Proceedings for the Fourth IEEE International Conference on Data Mining (ICDM04), pp. 495-498, Brighton, United Kingdom, November, 2004. (with C. Park)
• Imputation of missing values in DNA microarray gene expression data,
  Proceedings of the IEEE Computer Society Bioinformatics Conference (CSB04), pp. 572-573, Stanford, CA, August, 2004. (with H. Kim and G. Golub)
• Incremental and decremental least squares support vector machine and its application to drug design,
  Proceedings of the IEEE Computer Society Bioinformatics Conference (CSB04), pp. 656-657, Stanford, CA, August, 2004. (with H. Kim)
• Fingerprint classification using fast Fourier transform and nonlinear discriminant analysis,
  Proceedings of UKC2004 (2004 US-Korea Conference on Science, Technology and Entrepreneurship) 8, pp. 12-14, Durham, NC, August, 2004. (with C. Park)
• An incremental dimension reduction algorithm via QR decomposition,
  Proceedings for the ACM SIGKDD conference (KDD04), pp. 364-373, Seattle, WA, USA, August, 2004. (Out of 337 submitted papers, a total of 40 full papers were selected for oral presentation.) (with J. Ye, H. Xiong, R. Janardan, and V. Kumar)
• Feature extraction via generalized uncorrelated linear discriminant analysis,
  Proceedings for the twenty first International Conference on Machine Learning (ICML04), pp. 895-902, Banff, Alberta, Canada, July, 2004. (with J. Ye, R. Janardan, and Q. Li)
• Gene selection by LDA based on generalized singular value decomposition,
  Proceedings for the Bioinformatics Workshop of the fourth SIAM International Conference on Data Mining (SDM04), pp. 36-41, Kissimmee, FL, April, 2004. (with H. Kim)
• Data reduction in support vector machines by a kernelized ionic interaction model,
  Proceedings for the fourth SIAM International Conference on Data Mining (SDM04), pp. 507-511, Kissimmee, FL, April, 2004. (with H. Kim)
• Prediction of protein relative solvent accessibility with support vector machines and long-range interaction 3D local descriptor,
  Proteins: structure, function, and bioinformatics, 54-3, pp. 557-562, 2004.
  (with H. Kim)
• Nonlinear feature extraction based on centroids and kernel functions,
  Pattern Recognition, 37:4, pp. 801-810, 2004.
  (with C. Park)
• Generalizing Discriminant Analysis Using the Generalized Singular Value Decomposition,
  IEEE Transactions on Pattern Analysis and Machine Intelligence, 26-8, pp. 995-1006, 2004.
  (with P. Howland)
• An optimization criterion for generalized discriminant analysis on undersampled problems,
  IEEE Transactions on Pattern Analysis and Machine Intelligence, 26-8, pp. 982-994, 2004.
  (with J. Ye, R. Janardan, and C. Park)
• Equivalence of several two-stage methods for linear discriminant analysis,
  Proceedings of the Fourth SIAM International Conference on Data Mining, Kissimmee, FL, 2004.
  (with P.Howland)

2003

• Nonlinear feature extraction based on centroids and kernel functions,
  Proceedings for the Third IEEE International Conference on Data Mining (ICDM03), pp. 243-250, Melbourne, Florida, 2003. (Out of 501 submitted papers, a total of 58 regular papers were selected for presentation.) (with C. Park)
• A new optimization criterion for generalized discriminant analysis on undersampled problems,
  Proceedings for the Third IEEE International Conference on Data Mining (ICDM03), pp. 419-426, Melbourne, Florida, 2003. (Out of 501 submitted papers, a total of 58 regular papers were selected for presentation.) (with Y. Ye, R. Janardan, and C. Park)
• Text categorization using support vector machines with dimension reduction,
  Proceedings for the third SIAM international workshop on text mining (SDM03), pp. 48-59, San Francisco, CA, May, 2003. (with H. Kim and P. Howland)
• Protein secondary structure prediction by an improved support vector machines approaches,
  Protein Engineering, 16-8, pp.1-8,2003.
  (with H. Kim)
• DNA screening, pool designs, and simplicial complex,
  Journal of Combinatorial Optimization, 7-4, pp. 389-394, 2003.
  (with C.Li, W.Wu, X.Wu, and H.G.Zhao)
• Structure preserving dimension reduction for clustered text data based on the generalized singular value decomposition,
  SIAM Journal on Matrix Analysis and Applications, 25-1:165-179, 2003.
  (with P. Howland and M. Jeon)
• Lower dimensional representation of text data based on centroids and least squares,
  BIT, 43-2:1-22, 2003.
  (with M. Jeon and J.B. Rosen)
• A decision criterion for the optimal number of clusters in hierarchical clustering,
  Journal of Global Optimization, 25:91-111, 2003.
  (with Y. Jung, D.Z. Du, and B.L. Drake)
• Exponential modeling with unknown model order using structured nonlinear total least norm,
  Advances in Computational Mathematics, 19:307-322, 2003
  (with L. Zhang and J.B. Rosen)

2002

• Extension of discriminant analysis based on the generalized singular value decomposition,
  Proceedings for the second SIAM international workshop on text mining (SDM02), Arlington, VA, April, 2002. Also Technical Report 02-021, Department of Computer Science and Engineering, University of Minnesota, Twin Cities, 2002. (with P. Howland)

2001

• A balanced term-weighting scheme for improved document comparison and classification,
  Proceedings for the first SIAM international workshop on text mining (SDM01), Chicago, IL, April, 2001. (with Y. Jung and D.Z. Du)
• Dimension reduction based on centroids and least squares for efficient processing of text data,
  Proceedings for the first SIAM international workshop on text mining (SDM01), Chicago, IL, April, 2001. (with M. Jeon and J.B. Rosen)

2000

• Schur-type methods for solving least squares problems with Toeplitz structure,
  SIAM Journal on Scientific Computing, 22-2, pp. 406-430, 2000.
  (with L. Eldén)
• Signal identification using a least L_1 norm algorithm,
  Optimization and Engineering, 1, pp. 51-65, 2000.
  (with J.B. Rosen, and J. Glick)
• Accurate solution to overdetermined linear equations with errors using L_1 norm minimization,
  Computational Optimization and Applications, 17, pp. 329-341, 2000.
  (with J. B. Rosen, J. Glick, L. Zhang)
• Distributed simulation of freeway traffic flows using personal computers,
  Computer-Aided Civil and Infrastructure Engineering, 15, pp. 167-175, 2000.
  (with E. Kwon and B. Choi)

1999

• A Procrustes problem on the Stiefel manifold,
  Numerische Mathematik, 82, pp. 599-619, 1999.
  (with L. Eldén)
• Low rank approximation of a Hankel matrix by structured total least norm,
  BIT, 39:4, pp. 757-779, 1999.
  (with J.B. Rosen and L. Zhang)
• Structured total least norm for nonlinear problems,
  SIAM Journal on Matrix Analysis and Applications, 20-1:14-30, 1999. (with J.B. Rosen and J. Glick)

1998

• A personal computer-based parallel simulation system for on-line assessment of freeway operational strategies,
  the Proceedings for the 4th Annual ITS World Congress, 1998. (with E. Kwon and B. Choi)

1997

• Stability analysis and fast algorithms for triangularization of Toeplitz matrices,
  Numerische Mathematik, 76-3, pp. 383-400, 1997.
  (with L. Eldén)
• Schur-type methods based on subspace criteria,
  the Proceedings for the IEEE Int. Symp. on Circuits and Systems, pp. 2661-2664, Hong Kong, 1997. (with J¨urgen G¨otze)
• Parallel simulation of freeway traffic flows on a personal computer-based distributed computing system,
  the Proceedings for the 3rd Annual ITS World Congress, pp. 36-42, 1997. (with E. Kwon and K. Yoo)