{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T13:26:56Z","timestamp":1767706016685,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":7,"publisher":"ACM","license":[{"start":{"date-parts":[[2014,9,13]],"date-time":"2014-09-13T00:00:00Z","timestamp":1410566400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/G043507\/1"],"award-info":[{"award-number":["EP\/G043507\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,9,13]]},"DOI":"10.1145\/2638728.2641320","type":"proceedings-article","created":{"date-parts":[[2014,9,17]],"date-time":"2014-09-17T14:22:41Z","timestamp":1410963761000},"page":"699-702","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":50,"title":["Tracking physical activity"],"prefix":"10.1145","author":[{"given":"Daniel","family":"Harrison","sequence":"first","affiliation":[{"name":"University College London, London, UK"}]},{"given":"Paul","family":"Marshall","sequence":"additional","affiliation":[{"name":"University College London, London, UK"}]},{"given":"Nadia","family":"Berthouze","sequence":"additional","affiliation":[{"name":"University College London, London, UK"}]},{"given":"Jon","family":"Bird","sequence":"additional","affiliation":[{"name":"University College London, London, UK"}]}],"member":"320","published-online":{"date-parts":[[2014,9,13]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/2207676.2208539"},{"key":"e_1_3_2_1_2_1","volume-title":"Presence and duration of reactivity to pedometers in adults. Medicine and science in sports and exercise, 44(6), 1097--1101","author":"Clemes S. A.","year":"2012","unstructured":"Clemes , S. A. , & Deans , N. K. ( 2012 ). Presence and duration of reactivity to pedometers in adults. Medicine and science in sports and exercise, 44(6), 1097--1101 . Clemes, S. A., & Deans, N. K. (2012). Presence and duration of reactivity to pedometers in adults. Medicine and science in sports and exercise, 44(6), 1097--1101."},{"key":"e_1_3_2_1_3_1","volume-title":"Health Survey for England","author":"Craig R","year":"2009","unstructured":"Craig , R and Mindell , J . ( 2009 ) Health Survey for England 2007. London : The Information Centre . Craig, R and Mindell, J. (2009) Health Survey for England 2007. London: The Information Centre."},{"key":"e_1_3_2_1_4_1","volume-title":"Habits in HCI workshop, BCS HCI","author":"Harrison D.","year":"2013","unstructured":"Harrison , D. , Bird , J. , Marshall , P. & Berthouze , N. ( 2013 ). Looking for bright spots: A bottom-up approach to encouraging urban exercise . Habits in HCI workshop, BCS HCI 2013. Harrison, D., Bird, J., Marshall, P. & Berthouze, N. (2013). Looking for bright spots: A bottom-up approach to encouraging urban exercise. Habits in HCI workshop, BCS HCI 2013."},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1787\/health_glance-2013-en"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557039"},{"key":"e_1_3_2_1_7_1","volume-title":"Global health risks: mortality and burden of disease attributable to selected major risks","author":"World Health Organization","year":"2009","unstructured":"World Health Organization ( 2009 ). Global health risks: mortality and burden of disease attributable to selected major risks . Geneva . World Health Organization (2009).Global health risks: mortality and burden of disease attributable to selected major risks. Geneva."}],"event":{"name":"UbiComp '14: The 2014 ACM Conference on Ubiquitous Computing","sponsor":["SIGMOBILE ACM Special Interest Group on Mobility of Systems, Users, Data and Computing","SIGCHI ACM Special Interest Group on Computer-Human Interaction","SIGSPATIAL ACM Special Interest Group on Spatial Information"],"location":"Seattle Washington","acronym":"UbiComp '14"},"container-title":["Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct Publication"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2638728.2641320","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2638728.2641320","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T06:56:16Z","timestamp":1750229776000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2638728.2641320"}},"subtitle":["problems related to running longitudinal studies with commercial devices"],"short-title":[],"issued":{"date-parts":[[2014,9,13]]},"references-count":7,"alternative-id":["10.1145\/2638728.2641320","10.1145\/2638728"],"URL":"https:\/\/doi.org\/10.1145\/2638728.2641320","relation":{},"subject":[],"published":{"date-parts":[[2014,9,13]]},"assertion":[{"value":"2014-09-13","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}