Stephen Roehrig

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Teaching Professor of Information Systems, H. John Heinz III School of Public Policy and Management

Teaching and Research Interests:

• Relational database and data warehousing theory and practice, privacy and confidentiality in large databases, computational models of defeasible reasoning.

Published Papers: 

• Disclosure Detection in Multivariate Categorical Databases: Auditing Confidentiality Protection through Two New Matrix Operators
  Management Science 45, 1999; 1710-1723.
  (with: Sumit Chowdhury, George Duncan, Ramayya Krishnan, Sumita Mukherjee)
  
  
• The Relationship Between Advertising and Content Provision on the Internet
  European J. Marketing, Summer 1998.
  (with: Y. Yuan, J. Caulkins)
  
  
• Incompletely Specified Probabilistic Networks
  Journal of Management Information Systems, 1995.
  
  
• Path Analysis and Probabilistic Networks
  Decision Support Systems, 1995.
  
  

Publications: 

• "The Structure of W-Limit Sets of Nonexpansive Maps"
  Proceedings of the American Mathematical Society, (1981).
  (with: R. Sine)
  
  

Consulting:

• U.S. Bureau of the Census
• U.S. Bureau of Labor Statistics
• U.S. Energy Information Agency

Courses Taught:

• Financial Computing I (46901)
  (Masters Program)
  • 2012, Mini 1 (Section: I)
  • 2011, Mini 1 (Section: I)
  • 2010, Mini 1 (Section: I)
  • 2009, Mini 1 (Section: I)
  • 2008, Mini 1 (Section: I)
  • 2007, Mini 1 (Section: I)

• Financial Computing II (46902)
  (Masters Program)
  • 2012, Mini 2 (Section: I)
  • 2012, Mini 3 (Section: I)
  • 2011, Mini 3 (Section: I)
  • 2010, Mini 3 (Section: I)
  • 2008, Mini 2 (Section: I)
  • 2007, Mini 2 (Section: I)

• Financial Computing III (46903)
  (Masters Program)
  • 2013, Mini 4 (Section: I)
  • 2012, Mini 4 (Section: I)
  • 2011, Mini 4 (Section: I)
  • 2010, Mini 4 (Section: I)
  • 2009, Mini 3 (Section: I)
  • 2008, Mini 3 (Section: I)

• Object Oriented Programming I (46961)
  (Masters Program)
  • 2006, Mini 1 (Section: H)
  • 2006, Mini 1 (Section: I)
  • 2005, Mini 1 (Section: H)
  • 2005, Mini 1 (Section: I)

• Object Oriented Programming II (46962)
  (Masters Program)
  • 2006, Mini 2 (Section: I)
  • 2005, Mini 2 (Section: H)
  • 2005, Mini 2 (Section: I)

• Object Oriented Programming III (46963)
  (Masters Program)
  • 2007, Mini 4 (Section: I)
  • 2006, Mini 4 (Section: H)
  • 2006, Mini 4 (Section: I)