A decision-making mechanism for context inference in pervasive healthcare environments

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A decision-making mechanism for context inference in pervasive healthcare environments
Abstract: This paper presents a Fuzzy approach to health-monitoring of patients in pervasive computing environments. A decision model considers three classes of variables that represent the context information being collected: environmental, physiological, and behavioral. A case study of blood pressure monitoring was developed to identify critical situations based on medical knowledge. The solution maintains the interpretability of the decision rules, even after a learning phase which may propose adjustments in these rules. In this phase, the Fuzzy c-Means clustering was chosen to adjust membership functions, using the cluster centers. A medical team evaluated data from 24-h monitoring of 30 patients and the rating was compared with the results of the system. The proposed approach proved to be individualized, identifying critical events in patients with different levels of blood pressure with an accuracy of 90% and low number of false negatives.
Keywords:	Context inference Fuzzy logic Pervasive healthcare
Author(s):	.
Source:	Decision Support Systems 55 (2013) 528–537
Subject:	تصمیم گیری
Category:	مقاله مجله
Release Date:	2013
No of Pages:	10
Price(Tomans):	0
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