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Full-Text Articles in Social and Behavioral Sciences
Robust Placement Of Sensors In Dynamic Water Distribution Systems, Jianhua Xu, Michael Johnson, Paul Fischbeck, Mitchell Small, Jeanne Vanbriesen
Robust Placement Of Sensors In Dynamic Water Distribution Systems, Jianhua Xu, Michael Johnson, Paul Fischbeck, Mitchell Small, Jeanne Vanbriesen
Michael P. Johnson
Designing a robust sensor network to detect accidental contaminants in water distribution systems is a challenge given the uncertain nature of the contamination events (what, how much, when, where and for how long) and the dynamic nature of water distribution systems (driven by the random consumption of consumers). We formulate a set of scenario-based minimax and minimax regret models in order to provide robust sensor-placement schemes that perform well under all realizable contamination scenarios, and thus protect water consumers. Single-and multi objective versions of these models are then applied to a real water distribution system. A heuristic solution method is …
Social Networks And Physician Adoption Of Electronic Health Records: Insights From An Empirical Study, Kai Zheng, Rema Padman, David Krackhart, Michael Johnson, Herbert Diamond
Social Networks And Physician Adoption Of Electronic Health Records: Insights From An Empirical Study, Kai Zheng, Rema Padman, David Krackhart, Michael Johnson, Herbert Diamond
Michael P. Johnson
Objective: To study how social interactions influence physician adoption of an electronic health records (EHR) system. Design: A social network survey was used to delineate the structure of social interactions among 40 residents and 15 attending physicians in an ambulatory primary care practice. Social network analysis was then applied to relate the interaction structures to individual physicians’ utilization rates of an EHR system. Measurements: The social network survey assessed three distinct types of interaction structures: professional network based on consultation on patient care-related matters; friendship network based on personal intimacy; and perceived influence network based on a person’s perception of …
National Science Foundation Funded Project: "Collaborative Proposal: Decision Models For Foreclosed Housing Acquisition And Redevelopment", Michael Johnson, Jeffrey Keisler, Senay Solak, David Turcotte
National Science Foundation Funded Project: "Collaborative Proposal: Decision Models For Foreclosed Housing Acquisition And Redevelopment", Michael Johnson, Jeffrey Keisler, Senay Solak, David Turcotte
Michael P. Johnson
The recent housing foreclosure crisis has had devastating impacts on individuals and their communities. To mitigate some of these impacts a number of community-based organizations are acquiring foreclosed properties in efforts to support neighborhood stabilization and revitalization. Examples of actions taken on these foreclosed properties include: land-banking, rehabilitation, demolition and re-sale or/re-rental. These actions have the potential to minimize blight, reduce unanticipated housing mobility, and provide affordable housing opportunities. However, the cost of pursuing any or all of these strategies to their fullest extent far exceeds the resources available to typical community-based organizations. In this research project, the PIs will …
What Foreclosed Homes Should A Municipality Purchase To Stabilize Vulnerable Neighborhoods?, Michael Johnson
What Foreclosed Homes Should A Municipality Purchase To Stabilize Vulnerable Neighborhoods?, Michael Johnson
Michael P. Johnson
Over the past 3 years, increased rates of mortgage foreclosures in the U.S. have resulted in widespread bankruptcies of financial institutions and massive losses of consumer wealth. The effects have been especially pronounced in economically vulnerable regions. In response, municipalities and community-based organizations provide a variety of services to mitigate the effects of foreclosures. Purchases of foreclosed properties represent a particularly attractive strategy because they have the potential to minimize blight, reduce unanticipated housing mobility, and to provide affordable homeownership opportunities. Since the cost of such purchases far exceeds the resources available in most urban centers, not-for-profit managers must solve …