Publications
Journal Articles
C. Chatzis, C. Schenker, M. Pfeffer, E. Acar. tPARAFAC2: Tracking evolving patterns in (incomplete) temporal data, Submitted for Publication, 2024
C. Schenker, X. Wang, D. Horner, M. A. Rasmussen, E. Acar. PARAFAC2-based Coupled Matrix and Tensor Factorizations with Constraints, Submitted for Publication, 2024
L. Li, S. Yan, D. Horner, M. A. Rasmussen, A. K. Smilde, E. Acar. Revealing static and dynamic biomarkers from postprandial metabolomics data through coupled matrix and tensor factorizations, Metabolomics, 20:86, 2024
S. Yan, L. Li, D. Horner, P. Ebrahimi, B. Chawes, L. O. Dragsted, M. A. Rasmussen, A. K. Smilde, E. Acar. Characterizing human postprandial metabolic response using multiway data analysis, Metabolomics, 20:50, 2024
L. Li, S. Yan, B. M. Bakker, H. Hoefsloot, B. Chawes, D. Horner, M. A. Rasmussen, A. K. Smilde, E. Acar. Analyzing postprandial metabolomics data using multiway models: A simulation study, BMC Bioinformatics, 25:94, 2024
X. Li, A. Brejnrod, J. Thorsen, T. Zachariasen, U. Trivedi, J. Russel, G. A. Vestergaard, J. Stokholm, M. A. Rasmussen, S. J. Sørensen. Differential responses of the gut microbiome and resistome to antibiotic exposures in infants and adults, Nature Communications, 14, Article number: 8526, 2023
M. Roald, C. Schenker, V. Calhoun, T. Adali, R. Bro, J. E. Cohen, E. Acar, An AO-ADMM approach to constraining PARAFAC2 on all modes, SIAM Journal on Mathematics of Data Science (SIMODS), 4: 1191-1222, 2022
T. Adali, F. Kantar, M. A. B. S. Akhonda, S. Strother, V. D. Calhoun and E. Acar, Reproducibility in Matrix and Tensor Decompositions: Focus on model match, interpretability, and uniqueness, IEEE Signal Processing Magazine, 39 (4): 8-24, 2022
E. Acar, M. Roald, K. M. Hossain, V. D. Calhoun, and T. Adali. Tracing Evolving Networks using Tensor Factorizations vs. ICA-based Approaches, Frontiers in Neuroscience, 16: 861402, 2022
L. Li, H. Hoefsloot, A. A. Graaf, E. Acar and A. K. Smilde. Exploring Dynamic Metabolomics Data With Multiway Data Analysis: a Simulation Study, BMC Bioinformatics, 23: 31, 2022
C. Schenker, J. E. Cohen, E. Acar, A Flexible Optimization Framework for Regularized Matrix-Tensor Factorizations with Linear Couplings, IEEE Journal of Selected Topics in Signal Processing, 15(3), 2021
J. Geddes, G. T Einevoll, E. Acar, A. J. Stasik. Multi-Linear Population Analysis (MLPA) of LFP Data Using Tensor Decompositions, Frontiers in Applied Mathematics and Statistics, 6:41, 2020
Conference Articles
C. Chatzis, M. Pfeffer, P. Lind, E. Acar. A Time-aware Tensor Decomposition for Tracking Evolving Patterns, MLSP’23: IEEE International Workshop on Machine Learning for Signal Processing, 2023
C. Schenker, X. Wang, E. Acar. PARAFAC2-based Coupled Matrix and Tensor Factorizations, ICASSP’23: Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, 2023
I. Lehmann, E. Acar, T. Hasija, M.A.B.S. Akhonda, V. D. Calhoun, P. J. Schreier, T. Adali. Multi-task fMRI Data Fusion using IVA and PARAFAC2, ICASSP’22: Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, 2022
M. Roald, C. Schenker, J. E. Cohen, E. Acar, PARAFAC2 AO-ADMM: Constraints in all modes, EUSIPCO’21: Proceedings of the 29th European Signal Processing Conference, 2021
Workshops/Minisymposia
TrACEr Workshop: Precision Health – improving the understanding of underlying mechanisms through the analysis of temporal and multi-modal data , April 22-23, 2024 (Organizers: Evrim Acar, Age K. Smilde, Morten A. Rasmussen)
Minisymposium on Low-Rank Approximation-based Approaches for Temporal Data Mining, SIAM Conference on Computational Science and Engineering, Feb 26-March 3, 2022 (Organizers: Carla Schenker, Max Pfeffer, and Evrim Acar)
Invited Session on Advances in Coupled Matrix and Tensor Factorizations, with Application to Remote Sensing, Asilomar Conference on Signals, Systems, and Computers, Oct. 31 - Nov 3, 2021 (Organizers: Jeremy E. Cohen and Evrim Acar)
Minisymposium on Multi-Modal Data Mining Methods and Applications based on Coupled Matrix/Tensor Factorizations, SIAM Conference on Applied Linear Algebra, May 19, 2021 (Organizers: Evrim Acar and Tulay Adali)
Talks
Evrim Acar (Plenary talk), “Coupled Matrix and Tensor Factorizations – improving our understanding of complex systems through the analysis of temporal and multimodal data”, SIAM Conference on Applied Linear Algebra, Paris, France, May 13-17, 2024
Lu Li (Minisymposium talk), “From Static to Dynamic Biomarkers: Analysis of Time-Resolved Metabolomics Data Using (coupled) Tensor Decompositions”, SIAM Conference on Applied Linear Algebra, Paris, France, May 13-17, 2024
Evrim Acar, “Extracting Insights from complex data: (Coupled) Tensor Factorizations & Applications, TrACEr Workshop, Oslo, Norway, April 22-23, 2024
Lu Li, “From static to dynamic, how to analyze postprandial metabolomics data?”, TrACEr Workshop, Oslo, Norway, April 22-23, 2024
Christos Chatzis (Contributed talk) “A time-aware tensor decomposition for concept evolution“, GAMM Annual Meeting, Magdeburg, Germany, March 18-22, 2024
Lu Li (Contributed talk) “From static to dynamic, how to analyze postprandial metabolomics data?”, Nordic Metabolomics Conference, Trondheim, Norway, October 18-20, 2023
Carla Schenker (Minisymposium talk) “PARAFAC2-Based Coupled Matrix and Tensor Factorizations with Constraints”, ICIAM, August 20-25, 2023
Evrim Acar (Seminar) ”Constrained Multimodal Data Mining using Coupled Matrix and Tensor Factorizations”, Acceleration and Extrapolation Methods, ICERM, Brown University, Providence, RI, July 24-28, 2023
Carla Schenker (Minisymposium talk) “Fusing Dynamic and Static Data Using Parafac2-Based Coupled Matrix and Tensor Factorizations”, SIAM Conference on Computational Science and Engineering, Amsterdam, Netherlands, Feb 26-March 3, 2023
Evrim Acar (Seminar) “Extracting Insights from Complex Data: Constrained Multimodal Data Mining using Coupled Matrix and Tensor Factorizations“, IPAM Workshop on Explainable AI for the Sciences: Towards Novel Insights, Jan 9-13, 2023
Evrim Acar (Seminar) “Extracting Insights from Complex Data: Data Mining using Tensor Factorizations”, SILS (Swammerdam Institute for Life Sciences) Data Science Symposium, Amsterdam, Netherlands, December 5, 2022
Evrim Acar (Seminar) “Constrained Multi-Modal Data Mining“, BigInsight Seminar, University of Oslo, Oslo, Norway, November 9, 2022
Lu Li (Contributed talk) “Analyzing postprandial metabolomics data using multiway models: A simulation study”, Annual NORBIS Conference, Rosendal, Norway, October 24-28, 2022
Shi Yan (Contributed talk) “Characterizing postprandial metabolomics response using multiway data analysis”, Annual NORBIS Conference, Rosendal, Norway, October 24-28, 2022
Evrim Acar (Minisymposium talk) “Constrained Multi-Modal Data Mining Using Coupled Matrix and Tensor Factorizations”, SIAM Conference on Mathematics of Data Science, Sept 26-30, 2022
Lu Li (Contributed talk) “Analyzing postprandial metabolomics data using multiway models: A simulation study”, Norwegian Bioinformatics Day, Norway, Sept 28-30, 2022
Lu Li (Contributed talk) “Analyzing postprandial metabolomics data using multiway models: A simulation study”, Nordic Metabolomics Conference, Copenhagen, Denmark, September 6-9, 2022
Lu Li (Contributed talk) “Analyzing postprandial metabolomics data using multiway models: A simulation study”, NuGOweek, Tarragona, Spain, August 29-September 1, 2022
Evrim Acar (Seminar) “A Flexible Framework for Coupled Matrix/Tensor Factorizations”, TRICAP, June 27 - July 1, 2022
Age K. Smilde (Seminar) “Common, local and distinct components in multiblock models: overview and challenges”, TRICAP, June 27- July 1, 2022.
Marie Roald (Minisymposum talk) “Fully Constrained PARAFAC2 with AO-ADMM”, SIAM Conference on Parallel Processing for Scientific Computing, February 23-26, 2022
Age K. Smilde (Invited talk) “Exploring dynamic metabolomics data with multiway data analysis: A simulation study”, Metabolomics Circle 2021, Poland, Nov 18, 2021
Evrim Acar (Invited session talk) “A Flexible Optimization Framework for Regularized Matrix Tensor Factorizations with Linear Couplings”, Asilomar Conference on Signals, Systems, and Computers, Nov 3, 2021
Jeremy E. Cohen (Minisymposium talk) “A Flexible Optimization Framework for Regularized Linearly Coupled Matrix-Tensor Factorizations based on the Alternating Direction Method of Multipliers”, 18th Workshop on Advances in Continuous Optimization (EUROPT 2021), July 7-9, 2021
Evrim Acar (Invited seminar) “From Data Mining using Tensor Factorizations to Multimodal Data Mining using Coupled Matrix/Tensor Factorizations”, Nordic Probabilistic AI School, June 16, 2021
Lu Li (Contributed talk) “Exploring Dynamic Metabolomics Data With Multiway Data Analysis: a Simulation Study”, SIAM Conference on Applications of Dynamical Systems, May 23, 2021
Marie Roald (Contributed talk) “Tracing Dynamic Networks through Constrained PARAFAC2 Decomposition”, SIAM Conference on Applied Linear Algebra, May 20, 2021
Carla Schenker (Minisymposium talk) “An Optimization Framework for Regularized Linearly Coupled Matrix-Tensor Factorization”, SIAM Conference on Applied Linear Algebra, May 19, 2021
Evrim Acar (Invited seminar) Multi-Modal Data Mining using Coupled Matrix/Tensor Factorizations, Tufts TRIPODS Seminar, November 13, 2020
Posters
Lu Li, "Fusion of static and dynamic metabolomics challenge test data: Capturing metabolic differences between fasting and postprandial states”, Nordic AI Meet, Copenhagen, Denmark, October 2-3, 2023
Lu Li, "Fusion of static and dynamic metabolomics challenge test data: Capturing metabolic differences between fasting and postprandial states”, NuGOWeek, Senigallia, Italy, September 5-8, 2023
Shi Yan, “Characterizing postprandial metabolic response using multi-way data analysis”, Norwegian Bioinformatics Day, Norway, Sept 28-30, 2022
Lu Li, “Revealing dynamic changes in metabolism through the analysis of postprandial metabolomics data: A simulation study”, 18th Annual Conference of the Metabolomics Society: Metabolomics, Valencia, Spain, June 19-23, 2022
Marie Roald, “Understanding the Dynamics of Complex Systems through Time-Evolving Data Mining”, Doctoral Forum Poster Session at SIAM International Conference on Data Mining, 2021