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This paper assesses the ability of human sensors, i.e., user-generated observations in a wide range of social networks, the mobile phone network, or micro-blogs, to complement geo-sensor networks. We clearly delineate the concepts of People as Sensors, Collective Sensing and Citizen Science. Furthermore, we point out current challenges in fusing data from technical and human sensors, and sketch future research areas in this field.<\/jats:p>","DOI":"10.1145\/2826686.2826692","type":"journal-article","created":{"date-parts":[[2015,9,22]],"date-time":"2015-09-22T12:31:00Z","timestamp":1442925060000},"page":"29-35","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":9,"title":["Fusing human and technical sensor data"],"prefix":"10.1145","volume":"7","author":[{"given":"Bernd","family":"Resch","sequence":"first","affiliation":[{"name":"University of Salzburg, Austria and Heidelberg University, Germany and Harvard University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Blaschke","sequence":"additional","affiliation":[{"name":"University of Salzburg, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2015,9,17]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-79996-2_10"},{"key":"e_1_2_1_2_1","volume-title":"Participatory sensing","author":"Burke J. 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Forth, editor, Handbook of Research on Urban Informatics: The Practise and Promise of the Real-time City , Lecture Notes in Geoinformation and Cartography , pages 414 -- 436 . Springer Berlin Heidelberg , 2009 . E. Paulos. Citizen science: Enabling participatory urbanism. In M. Forth, editor, Handbook of Research on Urban Informatics: The Practise and Promise of the Real-time City, Lecture Notes in Geoinformation and Cartography, pages 414--436. Springer Berlin Heidelberg, 2009."},{"key":"e_1_2_1_10_1","series-title":"Lecture Notes in Geoinformation and Cartography","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1007\/978-3-642-34203-5_22","volume-title":"Progress in Location-Based Services","author":"Resch B.","year":"2013","unstructured":"B. Resch . People as sensors and collective sensing-contextual observations complementing geo-sensor network measurements . In J. M. Krisp, editor, Progress in Location-Based Services , Lecture Notes in Geoinformation and Cartography , pages 391 -- 406 . Springer Berlin Heidelberg , 2013 . B. Resch. People as sensors and collective sensing-contextual observations complementing geo-sensor network measurements. In J. M. Krisp, editor, Progress in Location-Based Services, Lecture Notes in Geoinformation and Cartography, pages 391--406. Springer Berlin Heidelberg, 2013."},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-04028-8_14"},{"key":"e_1_2_1_12_1","volume-title":"Contextual sensing: Integrating contextual information with human and technical geo-sensor information for smart cities. Sensors, pending","author":"Sagl G.","year":"2015","unstructured":"G. Sagl , B. Resch , and T. Blaschke . Contextual sensing: Integrating contextual information with human and technical geo-sensor information for smart cities. Sensors, pending , 2015 . G. Sagl, B. Resch, and T. Blaschke. Contextual sensing: Integrating contextual information with human and technical geo-sensor information for smart cities. Sensors, pending, 2015."},{"key":"e_1_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dss.2008.11.014"},{"volume-title":"Free gps navigation with turn by turn","year":"2015","key":"e_1_2_1_14_1","unstructured":"Waze. Free gps navigation with turn by turn , 2015 . Waze. Free gps navigation with turn by turn, 2015."},{"key":"e_1_2_1_15_1","first-page":"279","volume-title":"Muenchner Fort-bildungsseminar","author":"Wieser A.","year":"2013","unstructured":"A. Wieser . Smarte qualit\u00e4tssicherung von hydrologischen messdaten in naher echtzeit . Muenchner Fort-bildungsseminar , Geoinformationssysteme , pages 279 -- 285 , 2013 . A. Wieser. Smarte qualit\u00e4tssicherung von hydrologischen messdaten in naher echtzeit. 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