Modeling the time-varying microstructure of simulated sleep EEG spindles using time-frequency analysis methods. - Petros Xanthopoulos; Spyretta Golemati; Vangelis Sakkalis; Periklis Y. Ktonas; Michalis E. Zervakis; Constantin R. Soldatos (EMBC, 2006)

A Retrospective Review of Social Networks. - Petros Xanthopoulos; Ashwin Arulselvan; Vladimir Boginski; Panos M. Pardalos (ASONAM, 2009)

Guest Editorial. - Onur Seref; Petros Xanthopoulos (J. Comb. Optim., 2009)

Assessment of Linear and Nonlinear Synchronization Measures for Analyzing EEG in a Mild Epileptic Paradigm. - Vangelis Sakkalis; Ciprian Doru Giurcaneanu; Petros Xanthopoulos; Michalis E. Zervakis; Vassilis Tsiaras; Yinghua Yang; Eleni Karakonstantaki; Sifis Micheloyannis (IEEE Trans. Inf. Technol. Biomed., 2009)

Archimedes and the Foundations of Industrial Engineering. - Petros Xanthopoulos (Encyclopedia of Optimization, 2009)

A Novel Wavelet Based Algorithm for Spike and Wave Detection in Absence Epilepsy. - Petros Xanthopoulos; Steffen Rebennack; Chang-Chia Liu; Jicong Zhang; Gregory L. Holmes; Basim M. Uthman; Panos M. Pardalos (BIBE, 2010)

Supervised Classification Methods for Mining Cell Differences as Depicted by Raman Spectroscopy. - Petros Xanthopoulos; Roberta De Asmundis; Mario Rosario Guarracino; Georgios Pyrgiotakis; Panos M. Pardalos (CIBB, 2010)

Data Mining Techniques in Agricultural and Environmental Sciences. - Altannar Chinchuluun; Petros Xanthopoulos; Vera Tomaino; Panos M. Pardalos (Int. J. Agric. Environ. Inf. Syst., 2010)

Classification of cancer cell death with spectral dimensionality reduction and generalized eigenvalues. - Mario R. Guarracino; Petros Xanthopoulos; Georgios Pyrgiotakis; Vera Tomaino; Brij M. Moudgil; Panos M. Pardalos (Artif. Intell. Medicine, 2011)

Analysis of the expansion of the panama canal using simulation modeling and artificial intelligence. - Luis Rabelo; Liliana Cruz; Sayli Bhide; Oloruntomi Joledo; John Pastrana; Petros Xanthopoulos (WSC, 2014)

Robust generalized eigenvalue classifier with ellipsoidal uncertainty. - Petros Xanthopoulos; Mario R. Guarracino; Panos M. Pardalos (Ann. Oper. Res., 2014)

A weighted support vector machine method for control chart pattern recognition. - Petros Xanthopoulos; Talayeh Razzaghi (Comput. Ind. Eng., 2014)

A robust unsupervised consensus control chart pattern recognition framework. - Siavash Haghtalab; Petros Xanthopoulos; Kaveh Madani (Expert Syst. Appl., 2015)

Sparse Proximal Support Vector Machines for feature selection in high dimensional datasets. - Vijay Pappu; Orestis P. Panagopoulos; Petros Xanthopoulos; Panos M. Pardalos (Expert Syst. Appl., 2015)

A priori synthetic over-sampling methods for increasing classification sensitivity in imbalanced data sets. - William A. Rivera; Petros Xanthopoulos (Expert Syst. Appl., 2016)

Weighted relaxed support vector machines. - Onur Seref; Talayeh Razzaghi; Petros Xanthopoulos (Ann. Oper. Res., 2017)

Online feature importance ranking based on sensitivity analysis. - Alaleh Razmjoo; Petros Xanthopoulos; Qipeng P. Zheng (Expert Syst. Appl., 2017)

Constraint relaxation, cost-sensitive learning and bagging for imbalanced classification problems with outliers. - Talayeh Razzaghi; Petros Xanthopoulos; Onur Seref (Optim. Lett., 2017)

Soil-Compressibility Prediction Models Using Machine Learning. - Scott Kirts; Orestis P. Panagopoulos; Petros Xanthopoulos; Boo Hyun Nam (J. Comput. Civ. Eng., 2018)

Relaxed support vector regression. - Orestis P. Panagopoulos; Petros Xanthopoulos; Talayeh Razzaghi; Onur Seref (Ann. Oper. Res., 2019)

Feature importance ranking for classification in mixed online environments. - Alaleh Razmjoo; Petros Xanthopoulos; Qipeng P. Zheng (Ann. Oper. Res., 2019)

A weighted framework for unsupervised ensemble learning based on internal quality measures. - Ramazan Ünlü; Petros Xanthopoulos (Ann. Oper. Res., 2019)

Estimating the number of clusters in a dataset via consensus clustering. - Ramazan Ünlü; Petros Xanthopoulos (Expert Syst. Appl., 2019)

Case Article - DeLand Crayon Company: An Application of the Traveling Salesman Problem to Production Scheduling with Sequence-Dependent Setup Times. - B. Madhu Rao; Petros Xanthopoulos; Qipeng Phil Zheng (INFORMS Trans. Educ., 2020)

Case - Production Scheduling at DeLand Crayon Company. - B. Madhu Rao; Petros Xanthopoulos; Qipeng Phil Zheng (INFORMS Trans. Educ., 2020)

A reduced variance unsupervised ensemble learning algorithm based on modern portfolio theory. - Ramazan Ünlü; Petros Xanthopoulos (Expert Syst. Appl., 2021)

ChatGPT paraphrased product reviews can confuse consumers and undermine their trust in genuine reviews. Can you tell the difference? - Konstantinos F. Xylogiannopoulos; Petros Xanthopoulos; Panagiotis Karampelas; Georgios A. Bakamitsos (Inf. Process. Manag., 2024)

Is AI-assisted paraphrase the new tool for fake review creation? Challenges and remedies. - Konstantinos F. Xylogiannopoulos; Petros Xanthopoulos; Panagiotis Karampelas; Georgios A. Bakamitsos (Knowl. Based Syst., 2025)

Future of Clean Cooking Energy Access in Emerging Economies by 2030. - Mehmet Ali Cakir; Ramazan Ünlü; Sümeyra Cay Cakir; Petros Xanthopoulos (Oper. Res. Forum, 2025)

The power of text similarity in identifying AI-LLM paraphrased documents: The case of BBC news articles and ChatGPT. - Konstantinos F. Xylogiannopoulos; Petros Xanthopoulos; Panagiotis Karampelas; Georgios A. Bakamitsos (CoRR, 2025)