Presentations

* presenting author(s)

Optimization of Sliding Windows IMRT Treatment Planning

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Rafiq Habib*, Jessie Yeung*, Ernest Osei, Johnson Darko, Houra Mahmoudzadeh
Finalist, INFORMS Undergraduate Research Prize

 

A Vehicle Routing Problem for Livestock Feed Distribution

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Theodore Morissette*, Andrew Veldhuis*, Razi Sayed*, Eric Entz*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
Finalist, INFORMS Undergraduate Research Prize

 

Inverse Optimization For Standardizing Cancer Care Guidelines

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Kimia Ghobadi*, Houra Mahmoudzadeh
 

A Geometric Approach To Beam Angle Selection In Radiation Therapy Treatment Planning

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Danielle Ripsman*, Sibel Alumur Alev, Houra Mahmoudzadeh
 

Radiotherapy Patient Scheduling During Pandemics

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Shamim Raeisi*, Ernest Osei, Johnson Darko, Houra Mahmoudzadeh
 

A Network-based Column Generation Approach For Volumetric-modulated Arc Therapy

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Amirhossein Vaeztehrani*, Houra Mahmoudzadeh
 

Closed-form Constraint Generation For Classes Of Robust Polyhedral Uncertainty

INFORMS Annual Meeting, October 2021, Anaheim, CA (Hybrid)
Danielle Ripsman*, Houra Mahmoudzadeh
 

Data-driven Inverse Optimization for Standardizing Cancer Care Guidelines

INFORMS MSOM Conference, July 2021, (virtual)
Kimia Ghobadi*, Houra Mahmoudzadeh
 

Data-driven Inverse Optimization for Standardizing Cancer Care Guidelines

INFORMS Healthcare Conference, July 2021, (virtual)
Houra Mahmoudzadeh*, Kimia Ghobadi
 

An optimization model for sliding windows IMRT treatment planning

CORS Annual Meeting, May 2021, (virtual)
Rafiq Habib*, Johnson Darko, Ernest Osei, Houra Mahmoudzadeh
 

A vehicle routing problem for livestock feed distribution

CORS Annual Meeting, May 2021, (virtual)
Theodore Morissette*, Eric Entz*, Andrew Veldhuis*, Razi Sayed*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
First Place, CORS Student Paper Competition - Undergraduate Category

 

Inverse optimization for promotion pricing

CORS Annual Meeting, May 2021, (virtual)
Saeide Bigdellou*, Houra Mahmoudzadeh, Shirin Aslani, Mohammad Modarres
 

Generating the Pareto robust frontier in robust radiotherapy optimization problems

CORS Annual Meeting, May 2021, (virtual)
Fahimeh Rahimi*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
 

A two-stage column-and-constraint generation approach for direct aperture optimization in intensity-modulated radiation therapy

CORS Annual Meeting, May 2021, (virtual)
Amirhossein Vaeztehrani*, Houra Mahmoudzadeh
 

Closed-form constraint generation for robust radiation therapy treatment planning

CORS Annual Meeting, May 2021, (virtual)
Danielle Ripsman*, Houra Mahmoudzadeh
 

Radiotherapy patient scheduling during pandemics

CORS Annual Meeting, May 2021, (virtual)
Shamim Raeisi*, Ernest Osei, Johnson Darko, Houra Mahmoudzadeh, Hossein Abouee Mehrizi
 

Optimizing the operations of cancer centers during the COVID-19 pandemic

CORS Annual Meeting, May 2021, (virtual)
Arian Aminoleslami*, Ernest Osei, Johnson Darko, Houra Mahmoudzadeh, Hossein Abouee Mehrizi
 

Data-driven Inverse Optimization for Constraint Inference

CORS Annual Meeting, May 2021, (virtual)
Houra Mahmoudzadeh*, Kimia Ghobadi
 

An Analysis of Advance Scheduling Problem in Health Care Systems with Uncertainty

CORS Annual Meeting, May 2021, (virtual)
Nafise Niazi Shahraki*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
 

Inferring Linear Feasible Regions using Inverse Optimization

INFORMS Annual Meeting, November 2020, (virtual)
Houra Mahmoudzadeh*, Kimia Ghobadi
 

An Adversarial-based Solution to a Robust Multi-priority Advance Patient Scheduling Problem with Demand Uncertainty

INFORMS Annual Meeting, November 2020, (virtual)
Nafise Niazi Shahraki*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
 

Finding The Pareto Robust Frontier Of Robust Optimal Solutions

INFORMS Annual Meeting, November 2020, (virtual)
Fahimeh Rahimi*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
 

Optimizing the Operations of Cancer Centers During the COVID-19 Pandemic

INFORMS Annual Meeting, November 2020, (virtual)
Arian Aminoleslami*, Hossein Abouee Mehrizi, Houra Mahmoudzadeh
 

A Network-based Column Generation Approach For Direct Aperture Optimization In Radiation Therapy

INFORMS Annual Meeting, November 2020, (virtual)
Amirhossein Vaeztehrani*, Houra Mahmoudzadeh
 

Implementing Constraint Generation Methods for Solving Large-scale IMRT Treatment Optimization Problems

CORS 2020 (competition only), June 2020 
Lucy Fountain*, Houra Mahmoudzadeh
Runner-up, CORS Student Paper Competition - Undergraduate Category

 

Multi-point Inverse Optimization of Constraint Parameters

INFORMS Annual Meeting, October 2019, Seattle, WA
Kimia Ghobadi*, Houra Mahmoudzadeh
 

Optimal Re-allocation of Pay and Display Machines for Toronto Parking Authority

INFORMS Annual Meeting, October 2019, Seattle, WA
Milan Preet Kaur*, Mandeep Hanspal, Jui Dhaval Champaneri, Sathana Srikanthan and Houra Mahmoudzadeh
Winner, INFORMS Undergraduate OR Prize
(See article on Waterloo Engineering News)
 

Multi-point Inverse Optimization of Constraint Parameters

INFORMS Healthcare, July 2019, Cambridge, MA
Houra Mahmoudzadeh*, Kimia Ghobadi
 

Robust Direct Aperture Optimization for Radiation Therapy Treatment Planning

INFORMS Healthcare, July 2019, Cambridge, MA
Danielle Ripsman*, Thomas Purdie, Timothy Chan, and Houra Mahmoudzadeh
 

A Robust Optimization Approach for Partially-Ineffective Uncertainty Sets with Application to Power Dispatch

CORS Annual Meeting, May 2019, Saskatoon, ON
Milad Dehghani Filabadi*, Sahar Pirooz Azad, and Houra Mahmoudzadeh
Finalist (top 3) of the CORS Student Paper Competition - Open Category

 

Optimal Re-allocation of Pay and Display Machines for Toronto Parking Authority

CORS Annual Meeting, May 2019, Saskatoon, ON
Milan Preet Kaur*, Mandeep Hanspal, Jui Dhaval Champaneri*, Sathana Srikanthan and Houra Mahmoudzadeh
First Place, CORS Student Paper Competition - Undergraduate Category

 

Robust Direct Aperture Optimization for Radiation Therapy Treatment Planning

Canadian Healthcare Optimization Workshop (CHOW) and CORS Annual Meeting, May 2019, Saskatoon, ON
D.  Ripsman*, T. Purdie, T. Chan, H.Mahmoudzadeh
First Place, CORS Healthcare Operational Research SIG Oral Presentation Competition
 

IMRT with the sliding window technique: An optimization model and demonstration 

IISE Annual Conference and Expo,  May 2019, Orlando, FL
Jessie Yeung*, Johnson Darko, Ernest Osei, Houra Mahmoudzadeh.
Finalist, Representing IISE Canada in the International IISE Undergraduate Student Technical Paper Competition 

 

IMRT with the sliding window technique: An optimization model and demonstration 

IISE Student Conference, 2019, Montreal, QC
J. Yeung*, J. Darko, E. Osei, H. Mahmoudzadeh.
First Place, Canadian IISE Undergraduate Student Technical Paper Competition

 

Robust direct aperture optimization for radiation therapy treatment planning

CORS Annual Meeting 2018, Halifax, NS
D. A. Ripsman*, H. Mahmoudzadeh, T. C. Y. Chan, T. G. Purdie.
 

IMRT with the sliding window technique: An optimization model and demonstration 

CORS Annual Meeting 2018, Halifax, NS
J. Yeung*, J. Darko, E. Osei, H. Mahmoudzadeh.
Finalist of the CORS Student Paper Competition - Undergraduate Category

 

Optimal power flow in HVDC interconnected systems considering wind uncertainty

CORS Annual Meeting 2018, Halifax, NS
M. Dehghani Filabadi, S. Pirooz Azad, H. Mahmoudzadeh*.
 

Robust inverse optimization

 INFORMS Annual Meeting 2017, Houston, TX
T. Lee*, H. Mahmoudzadeh, D. Terekhov, K. Ghobadi.
 

Robust multi-class multi-period scheduling of MRI services with wait targets

 CORS/IFORS 2017, Quebec City, QC
A. Mirahmadi Shalamzari*, H. Mahmoudzadeh, H. Abouee Mehrizi.
 

Robust inverse optimization

CORS/IFORS 2017, Quebec City, QC
D. Terekhov*, K. Ghobadi, T. Lee, H. Mahmoudzadeh.
 

Robust mixed-integer optimization for radiation therapy treatment planning with delivery constraints

Optimization Days 2017, Montreal, QC
D. A. Ripsman*, H. Mahmoudzadeh, T. C. Y. Chan, T. G. Purdie.
 

Robust multi-class multi-period scheduling of MRI services with wait targets

Optimization Days 2017, Montreal, QC
A. Mirahmadi Shalamzari*, H. Mahmoudzadeh, H. Abouee Mehrizi.
 

Robust inverse optimization

INFORMS Annual Meeting 2016, Nashville, TN
K. Ghobadi*, T. Lee, H. Mahmoudzadeh, D. Terekhov.
 

Robust inverse optimization

CORS Annual Meeting 2016, Banff, AB
T. Lee*, K. Ghobadi, D. Terekhov, H. Mahmoudzadeh.
 

Robust optimization methods for breast cancer radiation therapy

INFORMS Annual Meeting 2015, Philadelphia, PA
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

Robust-CVaR optimization for breast cancer radiation therapy

Robust and Probabilistic Radiation Therapy Workshop, Massachusetts General Hospital, Boston, MA
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

Robust optimization methods for breast cancer radiation therapy

CORS/INFORMS International Joint Conference 2015, Montréal, QC
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

Cardiac sparing in left-sided breast IMRT using robust optimization

World Congress on Medical Physics and Biomedical Engineering 2015, Toronto, ON
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

Pareto robust optimality in breast cancer radiation therapy treatment

INFORMS Annual Meeting 2014, San Francisco, CA
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A constraint generation solution approach to robust optimization models in radiation therapy treatment planning

ESIXXXI: OR Applied to Health in a Modern World 2014, Forte di Bard, Italy
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A constraint generation solution method for robust breast cancer IMRT treatment planning

INFORMS Annual Meeting 2013, Minneapolis, MN
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust direct aperture optimization approach for left-sided breast IMRT

AAPM Annual Meeting 2013, Indianapolis, IN
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR model and constraint generation solution method for breast cancer radiation therapy

INFORMS Healthcare 2013, Chicago, IL
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR optimization approach to left-sided breast IMRT

Radiation Physics Seminar, Princess Margaret Cancer Centre, 2012, Toronto, ON
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR approach to left-sided breast cancer radiation therapy

INFORMS Annual Meeting 2012, Phoenix, AZ
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR approach to left-sided breast IMRT

AAPM Annual Meeting 2012, Charlotte, NC
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR approach to left-sided breast cancer radiation therapy

CORS Annual Conference 2012, Niagara Falls, ON
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.
 

A robust-CVaR optimization approach to left-sided breast IMRT

Ontario Consortium for Adaptive Interventions in Radiation Oncology (OCAIRO) Lecture Series, Princess Margaret Cancer Centre, 2012, Toronto, ON
H. Mahmoudzadeh*, T. C. Y. Chan, T. G. Purdie.