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Due to their unstructured nature, providing information that is meaningful to health professionals from this source is a daunting task. To this end, we employ Social Network Applications as Social Sensors that gather structured data and use Semantic Web technologies to fuse them with hardware sensor data, effectively integrating both sources. We show that this combination of social and hardware sensor observations creates a novel space that can be used for a variety of feature-rich e-Health applications. We present the design of our prototype framework, SENHANCE, and our findings from its pilot application in the NutriHeAl project, where a Facebook app is integrated with Fitbit digital pedometers for Lifestyle monitoring. <\/jats:p>","DOI":"10.1177\/1460458215571642","type":"journal-article","created":{"date-parts":[[2015,3,11]],"date-time":"2015-03-11T01:31:57Z","timestamp":1426037517000},"page":"505-522","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["SENHANCE: A Semantic Web framework for integrating social and hardware sensors in e-Health"],"prefix":"10.1177","volume":"22","author":[{"given":"Ioannis","family":"Pagkalos","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Greece"}]},{"given":"Loukas","family":"Petrou","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Greece"}]}],"member":"179","published-online":{"date-parts":[[2016,7,26]]},"reference":[{"issue":"370","key":"bibr1-1460458215571642","first-page":"176","volume":"2012","author":"Srivastava M","year":"1958","journal-title":"Philos Trans R Soc Math Phys Eng Sci"},{"first-page":"525","volume-title":"2011 IEEE international conference on pervasive computing and communications workshops (PERCOM workshops)","author":"Rosi A","key":"bibr2-1460458215571642"},{"key":"bibr3-1460458215571642","unstructured":"Facebook Statistics and Metrics by Continents. http:\/\/web.archive.org\/web\/20130429081721\/http:\/\/www.socialbakers.com\/countries\/continents."},{"key":"bibr4-1460458215571642","unstructured":"Pew Research Center\u2019s Internet and American Life Project. 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