Zou, B;
Lampos, V;
Gorton, R;
Cox, IJ;
(2016)
On infectious intestinal disease surveillance using social media content.
In: Kostkova, P and Grasso, F and Castillo, C, (eds.)
DH '16: Proceedings of the 6th International Conference on Digital Health.
(pp. pp. 157-161).
Association for Computing Machinery (ACM): New York, NY, USA.
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Abstract
This paper investigates whether infectious intestinal diseases (IIDs) can be detected and quantified using social media content. Experiments are conducted on user-generated data from the microblogging service, Twitter. Evaluation is based on the comparison with the number of IID cases reported by traditional health surveillance methods. We employ a deep learning approach for creating a topical vocabulary, and then apply a regularised linear (Elastic Net) as well as a nonlinear (Gaussian Process) regression function for inference. We show that like previous text regression tasks, the nonlinear approach performs better. In general, our experimental results, both in terms of predictive performance and semantic interpretation, indicate that Twitter data contain a signal that could be strong enough to complement conventional methods for IID surveillance.
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