Alexander (Alex) Brodsky



Department of Computer Science

Volgenau School of Engineering

George Mason University

4400 University Drive, MS 4A5

Fairfax, Virginia 22030-4444

Office: 4418 Nguen Engineering Building

Phone: 703-993-1529



Office Hours (Spring 2018): Wednesday 5:00-6:00 PM - please verify







Current Research Interests:

-       Decision Support, Guidance and Optimization (DSGO) systems

-       DSGO applications, including to manufacturing, energy, power, sustainability and supply chain


Prior Research Interests:

-       Constraint databases

-       Constraints for databases and secure information systems


About Decision Guidance

Overview of publications

Google Scholar

Research Gate


Courses Regularly Taught:


-       CS 450 Database Concepts

-       CS-550 Database Management Systems

-       CS-787 Decision-Guidance Systems

-       INFS-740 Database Programming for the World-Wide Web


Former PhD Students (as of Summer 2016):


-       Prof. Hanan Mengash, A Decision-Guided Group Package Recommender based on Multi-Criteria Optimization and Voting, defended in the Spring of 2016. Dr. Mengash is a computer science professor at Princess Nora Bin Abdul Rahaman Univeristy.


-       Prof. Hesham Altaleb, Market-based Decision Guidance for Electric Power Consortia, 2015. Dr. Altaleb is a Computer and Information Sciences professor at Muhammad Bin Saudi University.


-       Dr. John McDowal, A Framework for Optimal Service Composition and Execution Based on Business Process Management Notation (BPMN), 2014. Directed jointly with Professor Kerschberg. Dr. McDowal is a computer scientist at Booz-Allen-Hamilton.


-       Dr. Nathan Egge, Decision Guidance Query Language (DGQL): Algorithms based on Preprocessing and Continuous Approximations, 2014. Dr. Egge is currently a research staff member at the Mozilla Corporation.


-       Dr. Susan Farley, Top-k Algorithms for SimQL: A Decision Guidance Query Language Based on Stochastic Simulation, 2013. Dr. Farley is a computer scientist at Booz-Allen-Hamilton.


-       Prof. Chun-Kit Ngan, A Framework and Algorithms for Multivariate Time Series Analytics: Learning, Monitoring, and Recommendation, 2013. Directed jointly with Professor Lin. Dr. Ngan is a professor at Penn State University.


-       Dr. Guodong (Gordon) Shao, Decision Guidance for Sustainable Manufacturing, 2013. Directed jointly with Professor Ammann. Dr. Shao is a Computer Scientist working on decision support for Smart Manufacturing Systems at the National Institute of Standards and Technology (NIST).


-       Dr. Juan (Judy) Luo, Regression Learning in Decision Guidance Systems: Models, Languages and Algorithms, 2012. Dr. Luo works at George Mason University.


-       Dr. Khalid Alodhaibi, Decision-Guided Recommenders with Composite Alternatives, 2011. Dr. Alodhaibi is currently CIO and Executive Director of King Fahad Medical City, Saudi Arabia.


-       Dr. Lei Zhang, Securing the Information Disclosure Process, 2010. Directed jointly with Professor Jajodia. Dr. Zhang works at Google Corporation.


-       Prof. Malak Al-Nury, Service Composition Framework to Unify Simulation and Optimization in Supply Chains, 2010. Dr. Malak is a professor and chair of the Information Systems department at Effat University in Saudi Arabia. She is currently on a two-year assignment at MIT.


-       Prof. Csilla Farkas, Secure Databases: Constraints, Inference Channels and Monitoring Disclosures, 1999. Directed jointly with Professor Jajodia. Dr. Farkas is a professor at the University of South Carolina.


-       Dr. Jia Chen, Multityped Constraint Algebras and Mathematical Programming in Constraint Databases, 1999.


-       Dr. Victor Segal, Algorithms, Optimization and Implementation of Constraint Object-Oriented Database System, 1999. Dr. Segal currently is Principle System Engineer at MITRE Corporation.


-       Prof. Samuel Varas, On Optimal Constraint Decomposition, Monitoring and Management in Distributed Environments, 1998. Directed jointly with Professor Kerschberg. Dr. Varas is a professor at the Adolfo Ibanez University in Santiago, Chile.


Current PhD Students


-       Mohan Krishnamoorthy, Manufacturing Processes: Languages and Algorithms for Descriptive, Predictive and Prescriptive Analytics. Directed jointly with Professor Menasce.


-       Roberto Levy, A Decision Guidance Framework for Energy Public Policy and Investment.


-       M. Omar Nachawati, Algorithms and Framework for a Decision Guidance Management System..


-       Fernando Boccanera, Decision Guidance for Healthcare Individual and Group Policy