Özgür Özmen

According to our database, Özgür Özmen authored at least 25 papers between 2012 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Anomaly Detection in Electronic Health Records Across Hospital Networks: Integrating Machine Learning With Graph Algorithms.

Haoran Niu, Olufemi A. Omitaomu, Michael A. Langston, Stephen K. Grady, Mohammed M. Olama, Özgür Özmen, Hilda B. Klasky, Angela Laurio, Merry Ward, Jonathan R. Nebeker

IEEE J. Biomed. Health Informatics, May, 2025

2024

A framework for inferring and analyzing pharmacotherapy treatment patterns.

Everett Neil Rush, Özgür Özmen, Minsu Kim, Erin Rush Ortegon, Makoto Jones, Byung H. Park, Steven Pizer, Jodie Trafton, Lisa A. Brenner, Merry Ward, Jonathan R. Nebeker

BMC Medical Informatics Decis. Mak., December, 2024

EHR-BERT: A BERT-based model for effective anomaly detection in electronic health records.

Haoran Niu, Olufemi A. Omitaomu, Michael A. Langston, Mohammed M. Olama, Özgür Özmen, Hilda B. Klasky, Angela Laurio, Merry Ward, Jonathan R. Nebeker

J. Biomed. Informatics, 2024

2023

Race conditions and data partitioning: risks posed by common errors to reproducible parallel simulations.

James J. Nutaro, Özgür Özmen

Simul., April, 2023

CPViz: Visualizing clinical pathways represented in higher-order networks.

Junghoon Chae, Byung H. Park, Minsu Kim, Everett Neil Rush, Özgür Özmen, Makoto Jones, Merry Ward, Jonathan R. Nebeker

Proceedings of the Visualization and Data Analysis 2023, 2023

Towards a Comparative Assessment of Data-Driven Process Models in Health Information Technology.

Hilda B. Klasky, Özgür Özmen, Olufemi A. Omitaomu, Mohammed M. Olama, Merry Ward, Angela Laurio, Jonathan R. Nebeker

Proceedings of the 11th IEEE International Conference on Healthcare Informatics, 2023

2022

Tissue scale agent-based simulation of premalignant progressions in Barrett's esophagus.

Özgür Özmen, James J. Nutaro, Sassan Ostvar, Chin Hur, Chung Yin Kong

Simul., 2022

Detecting anomalous sequences in electronic health records using higher-order tensor networks.

Haoran Niu, Olufemi A. Omitaomu, Michael A. Langston, Mohammed M. Olama, Özgür Özmen, Hilda B. Klasky, Angela Laurio, Brian C. Sauer, Merry Ward, Jonathan R. Nebeker

J. Biomed. Informatics, 2022

Use of Event-Time Embeddings via RNN to Discern Novel Event Sequences in EHRs.

Özgür Özmen, Hilda B. Klasky, Olufemi A. Omitaomu, Mohammed M. Olama, P. Teja Kuruganti, Laura Pullum, Addi Thakur Malviya, Merry Ward, Jeanie M. Scott, Angela Laurio, Brian C. Sauer, Frank Drews, Jonathan R. Nebeker

Proceedings of the 10th IEEE International Conference on Healthcare Informatics, 2022

Real-time Multi-granular Analytics Framework for HIT Systems.

Byung H. Park, Sangkeun Lee, Özgür Özmen, Mohit Kumar, Merry Ward, Jonathan R. Nebeker

Proceedings of the IEEE International Conference on Big Data, 2022

2021

A new methodological framework for hazard detection models in health information technology systems.

Olufemi A. Omitaomu, Hilda B. Klasky, Mohammed M. Olama, Özgür Özmen, Laura Pullum, Addi Thakur Malviya, P. Teja Kuruganti, Jeanie M. Scott, Angela Laurio, Frank Drews, Brian C. Sauer, Merry Ward, Jonathan R. Nebeker

J. Biomed. Informatics, 2021

2020

Quantifying the Uncertainty of Precision Estimates for Rule based Text Classifiers.

James J. Nutaro, Özgür Özmen

CoRR, 2020

Characterizing Sub-Cohorts via Data Normalization and Representation Learning.

Everett Neil Rush, Özgür Özmen, Kathryn Knight, Byung H. Park, Clifton Baker, Makoto Jones, Merry Ward, Jonathan R. Nebeker

Proceedings of the 33rd IEEE International Symposium on Computer-Based Medical Systems, 2020

Adaptive Anomaly Detection for Dynamic Clinical Event Sequences.

Haoran Niu, Olufemi A. Omitaomu, Qing C. Cao, Mohammed M. Olama, Özgür Özmen, Hilda B. Klasky, Laura Pullum, Addi Thakur Malviya, P. Teja Kuruganti, Jeanie M. Scott, Angela Laurio, Frank Drews, Brian C. Sauer, Merry Ward, Jonathan R. Nebeker

Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

2019

Using Simulation to Quantify the Reliability of Control Software.

James J. Nutaro, Özgür Özmen

Proceedings of the 2019 Winter Simulation Conference, 2019

Topic Modeling to Discern Irregular Order Patterns in Unlabeled Electronic Health Records.

Özgür Özmen, Hilda B. Klasky, Olufemi A. Omitaomu, Mohammed M. Olama, P. Teja Kuruganti, Laura Pullum, Merry Ward, Jeanie M. Scott, Angela Laurio, Jonathan R. Nebeker

Proceedings of the 2019 IEEE EMBS International Conference on Biomedical & Health Informatics, 2019

2016

Analyzing the impact of modeling choices and assumptions in compartmental epidemiological models.

Özgür Özmen, James J. Nutaro, Laura L. Pullum, Arvind Ramanathan

Simul., 2016

The impact of socio-technical communication styles on the diversity and innovation potential of global science collaboratories.

Özgür Özmen, Levent Yilmaz, Jeffrey S. Smith

Comput. Math. Organ. Theory, 2016

High-performance computing framework for predictive simulation of healthcare delivery innovation.

Byung H. Park, Özgür Özmen, Gil Weigand, Mallikarjun Shankar

Proceedings of the 2016 IEEE-EMBS International Conference on Biomedical and Health Informatics, 2016

2015

Activity diagrams for DEVS models: a case study modeling health care behavior (WIP).

Özgür Özmen, James J. Nutaro

Proceedings of the Symposium on Theory of Modeling & Simulation: DEVS Integrative M&S Symposium, 2015

2014

Disaggregation and refinement of system dynamics models via agent-based modeling.

James J. Nutaro, Özgür Özmen, Jack Schryver

Proceedings of the 2014 Summer Simulation Multiconference, 2014

2013

An agent-based simulation study of a complex adaptive collaboration network.

Özgür Özmen, Jeffrey S. Smith, Levent Yilmaz

Proceedings of the Winter Simulations Conference: Simulation Making Decisions in a Complex World, 2013

2012

An Information Foraging Model of Knowledge Creation and Spillover Dynamics in Open Source Science.

Özgür Özmen, Levent Yilmaz

Int. J. Agent Technol. Syst., 2012

An agent-based information foraging model of scientific knowledge creation and spillover in open science communities.

Özgür Özmen, Levent Yilmaz

Proceedings of the 2012 Spring Simulation Multiconference, 2012

A complex adaptive model of information foraging and preferential attachment dynamics in Global Participatory Science.

Özgür Özmen, Levent Yilmaz, Jeffrey S. Smith, Alice E. Smith

Proceedings of the IEEE International Multi-Disciplinary Conference on Cognitive Methods in Situation Awareness and Decision Support, 2012