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SPLASH: A PROGRESS REPORT ON BUILDING A PLATFORM FOR A 360 DEGREE VIEW OF HEALTH

Location of grocery stores, available modes of transportation, economic and social demographics, urban planning, medicine, agriculture, advertising and marketing practices, and regulations are diverse components of a complex system that affect health. Decision makers need to predict the health effects of changes in these factors. Typically, experts in different organizations drawing on knowledge and techniques from different disciplines create independent models for understanding various components of such complex systems. It is a significant challenge to pull these sorts of models together into an integrated picture. This paper describes our progress toward designing the Smarter Planet Platform for Analysis and Simulation of Health (Splash), a platform for composing multiple heterogeneous models, simulations, and datasets. This platform comprises mechanisms for cataloging, describing, connecting, and executing a set of models together. We focused initially on a five-model composition related to obesity. This paper describes some challenges we encountered and some lessons we learned.