{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:14:12Z","timestamp":1750306452621,"version":"3.41.0"},"publisher-location":"New York, New York, USA","reference-count":9,"publisher":"ACM Press","license":[{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"ASU-DCU Catalyst Fund"},{"DOI":"10.13039\/501100004963","name":"Seventh Framework Programme","doi-asserted-by":"publisher","award":["288199 (Dem@Care)"],"award-info":[{"award-number":["288199 (Dem@Care)"]}],"id":[{"id":"10.13039\/501100004963","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001602","name":"Science Foundation Ireland","doi-asserted-by":"publisher","award":["12\/RC\/2289"],"award-info":[{"award-number":["12\/RC\/2289"]}],"id":[{"id":"10.13039\/501100001602","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Virginia G. Piper Charitable Trust"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015]]},"DOI":"10.1145\/2800835.2800962","type":"proceedings-article","created":{"date-parts":[[2015,10,6]],"date-time":"2015-10-06T15:22:12Z","timestamp":1444144932000},"page":"1069-1074","source":"Crossref","is-referenced-by-count":3,"title":["Using periodicity intensity to detect long term behaviour change"],"prefix":"10.1145","author":[{"given":"Feiyan","family":"Hu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alan F.","family":"Smeaton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eamonn","family":"Newman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew P.","family":"Buman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","reference":[{"key":"key-10.1145\/2800835.2800962-1","doi-asserted-by":"crossref","unstructured":"Aiden R. Doherty, Alan F. Smeaton. 2008. Automatically segmenting lifelog data into events. In Proceedings of theNinth International Workshop on Image Analysis for Multimedia Interactive Services, (WIAMIS'08). 20--23. IEEE.","DOI":"10.1109\/WIAMIS.2008.32"},{"key":"key-10.1145\/2800835.2800962-2","unstructured":"Aiden R. Doherty, Niamh Caprani, Ciarán O'Conaire, Vaiva Kalnikaite, Cathal Gurrin, Noel E. O'Connor and Alan F. Smeaton. 2011. Passively recognising human activities through lifelogging.Computers in Human Behavior, 27, 5:1948--1958."},{"key":"key-10.1145\/2800835.2800962-3","doi-asserted-by":"crossref","unstructured":"Changgui Gu, Claudia P. Coomans, Kun Hu, Frank A. J. L. Scheer, H. Eugene Stanley, Johanna H. Meijer. 2015. Lack of exercise leads to significant and reversible loss of scale invariance in both aged and young mice. InProceedings of the National Academy of Sciences02\/2015; 112, 8: 2320--2324. http:\/\/dx.doi.org\/10.1073\/pnas.1424706112","DOI":"10.1073\/pnas.1424706112"},{"key":"key-10.1145\/2800835.2800962-4","doi-asserted-by":"crossref","unstructured":"Cathal Gurrin, Alan F. Smeaton, and Aiden R. Doherty. 2014. LifeLogging: Personal Big Data.Found. Trends Inf. Retr.8, 1: 1--125. http:\/\/dx.doi.org\/10.1561\/1500000033","DOI":"10.1561\/1500000033"},{"key":"key-10.1145\/2800835.2800962-5","unstructured":"Feiyan Hu, Alan F. Smeaton and Eamonn Newman. 2014. Periodicity detection in lifelog data with missing and irregularly sampled data. InProceedings of the IEEE International Conference on Bioinformatics and Biomedicine(BIBM), 16--23, Belfast, N. Ireland, November 2--5."},{"key":"key-10.1145\/2800835.2800962-6","doi-asserted-by":"crossref","unstructured":"Kun Hu, Eus J. W. Van Someren, Steven A. Shea, and Frank A. J. L. Scheer. 2009. Reduction of scale invariance of activity fluctuations with aging and Alzheimer's disease: Involvement of the circadian pacemaker.Proceedings of the National Academy of Sciences 106, 8: 2490--2494.http:\/\/dx.doi.org\/10.1073\/pnas.0806087106","DOI":"10.1073\/pnas.0806087106"},{"key":"key-10.1145\/2800835.2800962-7","doi-asserted-by":"crossref","unstructured":"Pil Ho Kim and Fausto Giunchiglia. 2012. Life logging practice for human behavior modeling.IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2873--2878. http:\/\/dx.doi.org\/10.1109\/ICSMC.2012.6378185","DOI":"10.1109\/ICSMC.2012.6378185"},{"key":"key-10.1145\/2800835.2800962-8","unstructured":"J. D. Scargle. 1982. Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data.Astrophysical Journal, 263: 835--853."},{"key":"key-10.1145\/2800835.2800962-9","doi-asserted-by":"crossref","unstructured":"Peng Wang and Alan F. Smeaton. 2013. Using visual lifelogs to automatically characterise everyday activities.Information Sciences230: 147--161.","DOI":"10.1016\/j.ins.2012.12.028"}],"event":{"number":"2015","sponsor":["Google Inc.","Telef\u00f3nica","SIGCHI, ACM Special Interest Group on Computer-Human Interaction","SIGMOBILE, ACM Special Interest Group on Mobility of Systems, Users, Data and Computing","FX Palo Alto Laboratory, Inc.","ISTC-PC, Intel Science and Technology Center for Pervasive Computing","Panasonic, Panasonic Corporation","Microsoft","Rakuten Institute of Technology"],"acronym":"UbiComp '15","name":"the 2015 ACM International Joint Conference","start":{"date-parts":[[2015,9,7]]},"location":"Osaka, Japan","end":{"date-parts":[[2015,9,11]]}},"container-title":["Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers - UbiComp '15"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2800835.2800962","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/dl.acm.org\/ft_gateway.cfm?id=2800962&ftid=1628731&dwn=1","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T05:43:12Z","timestamp":1750225392000},"score":1,"resource":{"primary":{"URL":"http:\/\/dl.acm.org\/citation.cfm?doid=2800835.2800962"}},"subtitle":[],"proceedings-subject":"Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers","short-title":[],"issued":{"date-parts":[[2015]]},"references-count":9,"URL":"https:\/\/doi.org\/10.1145\/2800835.2800962","relation":{},"subject":[],"published":{"date-parts":[[2015]]}}}