My research focuses on geographic disparities, particularly racial disparities in
housing and public health. Much of my research uses Geographic Information Systems (GIS)
to analyze spatial patterns.

Urban History/Historical GIS

Link

Legacy of Courage: W.E.B. Du Bois and The Philadelphia Negro (2011)
 

PDF

Invitation to Mapping: How GIS can Facilitate New Discovering in Urban and Planning History, Journal of Planning History (2010)
 

PDF

W.E.B. Du Bois and the Social Survey Movement, The Shape of Philadelphia (2009)
 

Link

Historical Redlining in Philadelphia website (2008)
 

Link

Mapping the Du Bois Philadelphia Negro website (2008)
 

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Community Mapping

PDF

Why Social Work Needs Mapping, Departmental Papers (SPP) (2007)
 

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Integrating and Distributing Administrative Data to Support Community Change (with Dennis P. Culhane), Departmental Papers (City and Regional Planning) (2005)
 

PDF

Removing Barriers to the Use of Community Information Systems (with Mary L. Wernecke and Heather McKelvey), Departmental Papers (City and Regional Planning) (2005)
 

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Evaluating a Community Based Homelessness Prevention Program: A Geographic Information System Approach (with Yin-Ling I. Wong), Departmental Papers (SPP) (2001)
 

Housing

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Community Activists and University Researchers Collaborating for Affordable Housing: Dual Perspectives on the Experience (with David Koppisch), Departmental Papers (City and Regional Planning) (2005)
 

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Closing the Gap: Housing (un)Affordability in Philadelphia (with Dennis P. Culhane), Departmental Papers (City and Regional Planning) (2003)
 

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Predicting Housing Abandonment with the Philadelphia Neighborhood Information System (with Dennis P. Culhane, Tony E. Smith, and C. Dana Tomlin), Departmental Papers (City and Regional Planning) (2003)
 

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Comment on James R. Cohen’s “Abandoned Housing: Exploring Lessons from Baltimore” (with Dennis P. Culhane), Departmental Papers (City and Regional Planning) (2001)
 

Public Health

OpenURL

A Cross‐Sectional Prevalence Study of Ethnically‐Targeted and General Audience Outdoor, Milbank Quarterly (2009)
 

PDF

Clustering of Unhealthy Advertisements around Child-serving Institutions: A Three‐city, Health and Place (2009)
 

PDF

FED-UP with Childhood Obesity (with Stella Volpe), The Shape of Philadelphia (2009)
 

Link

Can Technology Be an Ally in the Fight against Childhood Obesity? (2008)
 

OpenURL

Childhood Overweight and the Built Environment: Making Technology Part of the Solution Rather than Part of the Problem, The Annals of the American Academy of Political and Social Science (2008)
 

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GIS Resources

PDF

Manual for working with ArcGIS 10 (2011)
 

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ArcGIS 9.3 manual (2007)