Abstract Details
Activity Number:
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580
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Type:
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Invited
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Date/Time:
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Thursday, August 7, 2014 : 8:30 AM to 10:20 AM
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Sponsor:
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Section on Statistics in Epidemiology
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Abstract #310742
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View Presentation
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Title:
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On Benefits and Limitations of Social Media for Early Outbreak Detection
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Author(s):
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Elena Naumova*+ and Marwah Soliman
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Companies:
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Tufts University and University of Texas at Dallas
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Keywords:
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forecasting ;
social media ;
epidemiology ;
surveillance ;
computational statistics ;
outbreak detection
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Abstract:
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While recent years have seen substantial progress in improving surveillance of infectious diseases, a few major challenges hindering operational, real-time forecast of infectious diseases still exist. Indeed, many currently employed forecast models: a) lack flexibility, due to overly restrictive assumptions; b) suffer from misspecifications or inclusion of data elements not universally available in real time; and c) have technically demanding computational requirements. Most importantly, these models do not offer observations for near real-time forecasting, which substantially reduces practical utility of these prediction models. In this talk we discuss how social media input can be incorporated to a time series model for operational tracking and out-of-sample real-time prediction of influenza in a city of approximately 1.5 million population and verify our results against rates of hospitalizations and laboratory-confirmed cases of flu. We demonstrate benefits and limitations of data from social media to operationalize early outbreak detection.
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Authors who are presenting talks have a * after their name.
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