Works (33)

Updated: July 6th, 2023 21:15

2023 article

Detecting Human Trafficking: Automated Classification of Online Customer Reviews of Massage Businesses

Li, R., Tobey, M., Mayorga, M. E., Caltagirone, S., & Ozaltin, O. Y. (2023, February 22). M&SOM-MANUFACTURING & SERVICE OPERATIONS MANAGEMENT, Vol. 2.

By: R. Li n, M. Tobey n, M. Mayorga n, S. Caltagirone & O. Ozaltin n

author keywords: human trafficking; massage businesses; online customer reviews; Natural Language Processing; ensemble learning
Sources: Web Of Science, ORCID
Added: March 20, 2023

2022 article

Coordination of manufacturing and engineering activities during product transitions

Bansal, A., Ozaltin, O. Y., Uzsoy, R., & Kempf, K. G. (2022, April 9). NAVAL RESEARCH LOGISTICS, Vol. 4.

By: A. Bansal*, O. Ozaltin n, R. Uzsoy n & K. Kempf*

author keywords: combinatorial auctions; integer programming; Product transition; subadditive duality
Sources: Web Of Science, ORCID
Added: April 18, 2022

2022 article

Interpretable models for the automated detection of human trafficking in illicit massage businesses

Tobey, M., Li, R., Ozaltin, O. Y., Mayorga, M. E., & Caltagirone, S. (2022, August 28). IISE TRANSACTIONS, Vol. 8.

By: M. Tobey n, R. Li n, O. Ozaltin n, M. Mayorga n & S. Caltagirone

author keywords: Human trafficking; illicit massage; interpretable machine learning; risk scores; decision trees
Sources: Web Of Science, ORCID
Added: September 26, 2022

2022 article

Managing Product Transitions: A Bilevel Programming Approach

Khorramfar, R., Ozaltin, O. Y., Kempf, K. G., & Uzsoy, R. (2022, June 30). INFORMS JOURNAL ON COMPUTING, Vol. 6, pp. 1–17.

By: R. Khorramfar*, O. Ozaltin n, K. Kempf* & R. Uzsoy n

author keywords: product transitions; bilevel programming; constraint and column generation; generalized Nash equilibrium
Sources: Web Of Science, ORCID
Added: July 1, 2022

2022 journal article

Septic shock prediction and knowledge discovery through temporal pattern mining

ARTIFICIAL INTELLIGENCE IN MEDICINE, 132.

By: J. Agor*, R. Li* & O. Ozaltin*

author keywords: Temporal pattern mining; Sepsis; Electronic health records; Prediction; Pattern selection
MeSH headings : Critical Care; Electronic Health Records; Humans; Knowledge Discovery; Sepsis / diagnosis; Sepsis / therapy; Shock, Septic / diagnosis; Shock, Septic / therapy
Sources: Web Of Science, ORCID
Added: October 17, 2022

2021 journal article

Mapping of critical events in disease progression through binary classification: Application to amyotrophic lateral sclerosis

JOURNAL OF BIOMEDICAL INFORMATICS, 123.

author keywords: Disease progression; Timing of critical events; Binary classification; Amyotrophic lateral sclerosis; Prognosis; Kaplan-Meier analysis
MeSH headings : Amyotrophic Lateral Sclerosis; Disease Progression; Humans; Prospective Studies; Speech; Walking
Sources: Web Of Science, ORCID
Added: November 1, 2021

2021 journal article

Prediction of Sepsis Related Mortality: An Optimization Approach

IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, 25(11), 4207–4216.

By: J. Agor*, N. Paramita n & O. Ozaltn n

author keywords: Sepsis; SOFA score; optimization; mixed-integer programming; electronic health records
Sources: Web Of Science, ORCID
Added: November 23, 2021

2020 journal article

Optimal influenza vaccine distribution with equity

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 283(2), 714–725.

By: S. Enayati* & O. Ozaltin n

author keywords: OR in health services; Vaccine distribution; Influenza; Equity
Sources: Web Of Science, ORCID
Added: March 16, 2020

2020 journal article

Prepositioning disaster relief supplies using robust optimization

IISE TRANSACTIONS, 52(10), 1122–1140.

By: G. Velasquez n, M. Mayorga n & O. Ozaltin n

author keywords: Humanitarian logistics; inventory prepositioning; disaster relief supply chains; robust optimization
Sources: Web Of Science, ORCID
Added: April 6, 2020

2019 chapter

An embarrassingly parallel method for large-scale stochastic programs

In Springer Optimization and Its Applications (Vol. 149, pp. 127–151).

By: B. Sand?k?? & O. Özalt?n

Source: ORCID
Added: May 6, 2020

2019 conference paper

Evaluating an Emergency Department Care Redesign: A Simulation Approach

Proceedings - Winter Simulation Conference, 2019-December, 1137–1147.

By: B. Swan n, O. Ozaltin n, S. Hilburn*, E. Gignac* & G. McCammon*

Source: ORCID
Added: May 6, 2020

2019 journal article

Feature selection for classification models via bilevel optimization

COMPUTERS & OPERATIONS RESEARCH, 106, 156–168.

By: J. Agor n & O. Ozaltin n

author keywords: Feature selection; Classification; Bilevel programming; Cross validation
Sources: Web Of Science, ORCID
Added: June 17, 2019

2019 conference paper

The Effect of the Distribution of the Inverse Growth Rate on Pancreatic Cancer Progression

Proceedings - Winter Simulation Conference, 2019-December, 1044–1054.

By: L. Abu-El-Haija*, J. Ivy*, O. Ozaltin n & W. Park*

Source: ORCID
Added: May 6, 2020

2019 journal article

The value of missing information in severity of illness score development

JOURNAL OF BIOMEDICAL INFORMATICS, 97.

By: J. Agor*, O. Ozaltin*, J. Ivy*, M. Capan*, R. Arnold & S. Romero

author keywords: Severity of illness scores; Sepsis; Missing data; Prediction models; Electronic health records
MeSH headings : Adolescent; Adult; Aged; Aged, 80 and over; Area Under Curve; Computational Biology / methods; Data Interpretation, Statistical; Electronic Health Records / statistics & numerical data; Female; Hospital Mortality; Humans; Intensive Care Units; Logistic Models; Male; Middle Aged; Models, Statistical; Outcome Assessment, Health Care / statistics & numerical data; Sepsis / mortality; Severity of Illness Index; Support Vector Machine; Young Adult
Sources: Web Of Science, ORCID
Added: April 27, 2020

2019 journal article

Tollgate-based progression pathways of ALS patients

JOURNAL OF NEUROLOGY, 266(3), 755–765.

By: O. Dalgic*, F. Erenay*, K. Pasupathy*, O. Ozaltin n, B. Crum* & M. Sir*

author keywords: ALS progression; Tollgate-based staging system; Phenotypes; Kaplan-Meier analysis
MeSH headings : Adult; Aged; Aged, 80 and over; Amyotrophic Lateral Sclerosis / diagnosis; Amyotrophic Lateral Sclerosis / physiopathology; Disease Progression; Female; Humans; Longitudinal Studies; Male; Medical Records; Middle Aged; Prognosis; Severity of Illness Index; Young Adult
Sources: Web Of Science, ORCID
Added: March 11, 2019

2018 journal article

Ambulance redeployment and dispatching under uncertainty with personnel workload limitations

IISE TRANSACTIONS, 50(9), 777–788.

By: S. Enayati*, O. Ozaltin n, M. Mayorga n & C. Saydam n

author keywords: EMS; workload; two-stage stochastic programming; decomposition algorithm
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 review

Models for predicting the evolution of influenza to inform vaccine strain selection

[Review of ]. HUMAN VACCINES & IMMUNOTHERAPEUTICS, 14(3), 678–683.

By: J. Agor n & O. Ozaltin n

author keywords: influenza evolution; prediction models; influenza vaccine; strain selection; antigenic difference; influenza
MeSH headings : Antigens, Viral / immunology; Humans; Influenza Vaccines / immunology; Influenza, Human / immunology; Influenza, Human / prevention & control; Seasons; World Health Organization
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

On a class of bilevel linear mixed-integer programs in adversarial settings

Journal of Global Optimization, 71(1), 91–113.

By: M. Zare*, O. Özalt?n & O. Prokopyev*

author keywords: Bilevel linear mixed-integer programs; Bilevel linear programs; Computational complexity; Strong-weak approach; Pessimistic bilevel programs
Source: ORCID
Added: May 6, 2020

2018 journal article

Optimal design of the seasonal influenza vaccine with manufacturing autonomy

INFORMS Journal on Computing, 30(2), 371–387.

By: O. Özaltin n, O. Prokopyev* & A. Schaefer*

author keywords: influenza vaccine; multistage stochastic mixed-integer programming; bilevel programming; integer programming
Source: ORCID
Added: May 6, 2020

2018 journal article

Optimal production in a competitive market under yield uncertainty

OPTIMIZATION LETTERS, 12(7), 1487–1502.

By: M. Jansen n & O. Ozaltin n

author keywords: Cournot competition; Yield uncertainty; Capacity constraint; Influenza vaccine market
Sources: Web Of Science, ORCID
Added: October 16, 2018

2017 journal article

A SCALABLE BOUNDING METHOD FOR MULTISTAGE STOCHASTIC PROGRAMS

SIAM JOURNAL ON OPTIMIZATION, 27(3), 1772–1800.

By: B. Sandikci & O. Ozaltin*

author keywords: stochastic programming; multistage; mixed-integer; bounding; parallel computing
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Deriving effective vaccine allocation strategies for pandemic influenza: Comparison of an agent-based simulation and a compartmental model

PLOS ONE, 12(2).

By: O. Dalgic*, O. Ozaltin n, W. Ciccotelli* & F. Erenay*

MeSH headings : Adolescent; Adult; Age Factors; Aged; Child; Child, Preschool; Computer Simulation; Disease Transmission, Infectious / statistics & numerical data; Humans; Infant; Influenza Vaccines / supply & distribution; Influenza, Human / epidemiology; Influenza, Human / prevention & control; Influenza, Human / transmission; Middle Aged; Models, Theoretical; Pandemics / prevention & control; Resource Allocation; Risk; Systems Analysis; Time Factors; Urban Population; Washington; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Note on Cournot Competition Under Yield Uncertainty

M&SOM-MANUFACTURING & SERVICE OPERATIONS MANAGEMENT, 19(2), 305–308.

By: M. Jansen n & O. Ozaltin n

author keywords: Cournot competition; random yield; capacity constraints; influenza vaccine market
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 conference paper

Predicting future states in DotA 2 using value-split models of time series attribute data

ACM International Conference Proceeding Series, Part F130151.

By: Z. Cleghern n, S. Lahiri n, O. Ozaltin n & D. Roberts n

author keywords: Multiplayer Online Battle Arena (MOBA) Games; Game Analytics; Time Series Analysis; Prediction
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2017 conference paper

Simulating triage of patients into an internal medicine department to validate the use of an optimization-based workload score

2017 winter simulation conference (wsc), 2881–2892.

By: J. Agor*, K. McKenzie*, M. Mayorga*, O. Ozaltin*, R. Parikh & J. Huddleston

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Single-ratio fractional integer programs with stochastic right-hand sides

IISE TRANSACTIONS, 49(6), 579–592.

By: J. Zhang n & O. Ozaltin n

author keywords: Fractional integer programming; stochastic integer programming; value functions; superadditive duality
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 conference paper

Optimal distribution of the influenza vaccine

2016 10th european conference on antennas and propagation (eucap), 2015-January, 1411–1420.

By: O. Ozaltin*, O. Dalgic & F. Erenay

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

Simulation of triaging patients into an internal medicine department to validate the use of an optimization based workload score

2016 winter simulation conference (wsc), 0, 3708–3709.

By: J. Agor*, K. McKenzie*, O. Ozaltin*, M. Mayorga*, R. Parikh & J. Huddleston

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Exact solution approach for a class of nonlinear bilevel knapsack problems

JOURNAL OF GLOBAL OPTIMIZATION, 61(2), 291–310.

By: B. Beheshti*, O. Ozaltin n, M. Zare* & O. Prokopyev*

author keywords: Bilevel programming; Integer programming; Value functions; Knapsack problem
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Two-stage quadratic integer programs with stochastic right-hand sides

Mathematical Programming, 133(1-2), 121–158.

By: O. ÖzaltIn*, O. Prokopyev* & A. Schaefer*

author keywords: Stochastic integer programming; Quadratic integer programming; Value functions; Superadditive duality
Source: ORCID
Added: May 6, 2020

2011 journal article

Optimizing the Societal Benefits of the Annual Influenza Vaccine: A Stochastic Programming Approach

OPERATIONS RESEARCH, 59(5), 1131–1143.

Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Predicting the solution time of branch-and-bound algorithms for mixed-integer programs

INFORMS Journal on Computing, 23(3), 392–403.

By: O. Özaltin*, B. Hunsaker* & A. Schaefer*

author keywords: solution time prediction; mixed-integer programming; branch-and-bound algorithm
Source: ORCID
Added: May 6, 2020

2010 journal article

The bilevel knapsack problem with stochastic right-hand sides

Operations Research Letters, 38(4), 328–333.

By: O. Özaltin*, O. Prokopyev* & A. Schaefer*

author keywords: Bilevel programming; Stochastic integer programming; Value functions
Source: ORCID
Added: May 6, 2020