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Sen. Netw."],"published-print":{"date-parts":[[2019,8,31]]},"abstract":"<jats:p>Buildings can achieve energy-efficiency by using solar passive design, energy-efficient structures and materials, or by optimizing their operational energy use. In each of these areas, efficiency can be improved if the physical properties of the building along with its dynamic behavior can be captured using low-cost embedded sensor devices. This opens up a new challenge of installing and maintaining the sensor devices for different types of buildings. In this article, we propose BuildSense, a sensing framework for fine-grained, long-term monitoring of buildings using a mix of physical and virtual sensors. It not only reduces the deployment and management cost of sensors but can also guarantee accurate and fault-tolerant data coverage for long-term use. We evaluate BuildSense using sensor measurements from two rammed-earth houses that were custom-designed for a challenging hot-arid climate so almost no artificial heating or cooling is required. We demonstrate that BuildSense can significantly reduce the cost of permanent physical sensors while still achieving fit-for-purpose accuracy, fault-tolerance, and stability. Overall, we were able to reduce the cost of a building sensor network by 60% to 80% by replacing physical sensors with virtual ones while still maintaining accuracy of \u22641.0\u00b0C and fault-tolerance of two or more predictors per virtual sensor.<\/jats:p>","DOI":"10.1145\/3341171","type":"journal-article","created":{"date-parts":[[2019,8,9]],"date-time":"2019-08-09T12:22:28Z","timestamp":1565353348000},"page":"1-23","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["BuildSense"],"prefix":"10.1145","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0590-1003","authenticated-orcid":false,"given":"Rachel","family":"Cardell-Oliver","sequence":"first","affiliation":[{"name":"The University of Western Australia, Crawley, Western Australia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4777-2086","authenticated-orcid":false,"given":"Chayan","family":"Sarkar","sequence":"additional","affiliation":[{"name":"TCS Research 8 Innovation, Rajarhat, Kolkata, India"}]}],"member":"320","published-online":{"date-parts":[[2019,8,9]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/2754932"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/2528282.2528304"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/2517351.2517370"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-33090-2_14"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jobe.2017.07.013"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2005.1498475"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/3014340.3014341"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/3137133.3137141"},{"key":"e_1_2_1_9_1","unstructured":"D. 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Wireless soil moisture sensor networks for environmental monitoring and irrigation. In EGU General Assembly Conference Abstracts, Vol. 12. 2539. ftp:\/\/ftp.gfz-potsdam.de\/home\/cegit\/egu\/pdf\/EGU2010-2539.pdf."},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/TPDS.2010.174"},{"key":"e_1_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/1127777.1127782"},{"key":"e_1_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/2434020.2434022"},{"key":"e_1_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1145\/1614320.1614337"},{"key":"e_1_2_1_24_1","volume-title":"Proceedings of the International Conference on Embedded Wireless Systems and Networks. 12--23","author":"Marjovi Ali","year":"2017","unstructured":"Ali Marjovi , Adrian Arfire , and Alcherio Martinoli . 2017 . Extending urban air quality maps beyond the coverage of a mobile sensor network: Data sources, methods, and performance evaluation . 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