{"id":"https://openalex.org/W3183141138","doi":"https://doi.org/10.1145/3447516","title":"Sensor-Based Estimation of Dim Light Melatonin Onset Using Features of Two Time Scales","display_name":"Sensor-Based Estimation of Dim Light Melatonin Onset Using Features of Two Time Scales","publication_year":2021,"publication_date":"2021-07-21","ids":{"openalex":"https://openalex.org/W3183141138","doi":"https://doi.org/10.1145/3447516","mag":"3183141138","pmid":"https://pubmed.ncbi.nlm.nih.gov/42238540"},"language":"en","primary_location":{"id":"doi:10.1145/3447516","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3447516","pdf_url":null,"source":{"id":"https://openalex.org/S4210174653","display_name":"ACM Transactions on Computing for Healthcare","issn_l":"2637-8051","issn":["2637-8051","2691-1957"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Computing for Healthcare","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1908.07483","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052743446","display_name":"Cheng Wan","orcid":"https://orcid.org/0000-0002-2295-3481"},"institutions":[{"id":"https://openalex.org/I74775410","display_name":"Rice University","ror":"https://ror.org/008zs3103","country_code":"US","type":"education","lineage":["https://openalex.org/I74775410"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cheng Wan","raw_affiliation_strings":["Rice University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rice University","institution_ids":["https://openalex.org/I74775410"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086778923","display_name":"Andrew W. McHill","orcid":"https://orcid.org/0000-0002-9428-6884"},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew W. Mchill","raw_affiliation_strings":["Oregon Health & Science University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health & Science University","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031090054","display_name":"Elizabeth B. Klerman","orcid":"https://orcid.org/0000-0002-7402-3171"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Elizabeth B. Klerman","raw_affiliation_strings":["Massachusetts General Hospital and Harvard Medical School"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Massachusetts General Hospital and Harvard Medical School","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061041118","display_name":"Akane Sano","orcid":"https://orcid.org/0000-0003-4484-8946"},"institutions":[{"id":"https://openalex.org/I74775410","display_name":"Rice University","ror":"https://ror.org/008zs3103","country_code":"US","type":"education","lineage":["https://openalex.org/I74775410"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Akane Sano","raw_affiliation_strings":["Rice University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rice University","institution_ids":["https://openalex.org/I74775410"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1899,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.43290821,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2","issue":"3","first_page":"1","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","score":0.9642000198364258,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/melatonin","display_name":"Melatonin","score":0.8204972743988037},{"id":"https://openalex.org/keywords/circadian-rhythm","display_name":"Circadian rhythm","score":0.49076685309410095},{"id":"https://openalex.org/keywords/rhythm","display_name":"Rhythm","score":0.487064391374588},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4765787124633789},{"id":"https://openalex.org/keywords/mood","display_name":"Mood","score":0.4316529631614685},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.41948145627975464},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.367642879486084},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.24452242255210876},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24065536260604858},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.20597246289253235},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.11072170734405518}],"concepts":[{"id":"https://openalex.org/C2778182776","wikidata":"https://www.wikidata.org/wiki/Q180912","display_name":"Melatonin","level":2,"score":0.8204972743988037},{"id":"https://openalex.org/C121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","level":2,"score":0.49076685309410095},{"id":"https://openalex.org/C135343436","wikidata":"https://www.wikidata.org/wiki/Q170406","display_name":"Rhythm","level":2,"score":0.487064391374588},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4765787124633789},{"id":"https://openalex.org/C2780733359","wikidata":"https://www.wikidata.org/wiki/Q331769","display_name":"Mood","level":2,"score":0.4316529631614685},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.41948145627975464},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.367642879486084},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.24452242255210876},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24065536260604858},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.20597246289253235},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.11072170734405518},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1145/3447516","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3447516","pdf_url":null,"source":{"id":"https://openalex.org/S4210174653","display_name":"ACM Transactions on Computing for Healthcare","issn_l":"2637-8051","issn":["2637-8051","2691-1957"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Computing for Healthcare","raw_type":"journal-article"},{"id":"pmid:42238540","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42238540","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM transactions on computing for healthcare","raw_type":null},{"id":"pmh:oai:arXiv.org:1908.07483","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.07483","pdf_url":"https://arxiv.org/pdf/1908.07483","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:pubmedcentral.nih.gov:13229570","is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13229570/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ACM Trans Comput Healthc","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1908.07483","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.07483","pdf_url":"https://arxiv.org/pdf/1908.07483","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320327982","display_name":"NEC Corporation","ror":null},{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W179875071","https://openalex.org/W1899622156","https://openalex.org/W1924770834","https://openalex.org/W1963751716","https://openalex.org/W1965935205","https://openalex.org/W1972576332","https://openalex.org/W1975970716","https://openalex.org/W1984524952","https://openalex.org/W1987796397","https://openalex.org/W2025605322","https://openalex.org/W2041362984","https://openalex.org/W2068122865","https://openalex.org/W2075072883","https://openalex.org/W2078365051","https://openalex.org/W2078437124","https://openalex.org/W2082096003","https://openalex.org/W2093725103","https://openalex.org/W2098545770","https://openalex.org/W2103257619","https://openalex.org/W2103987983","https://openalex.org/W2104022295","https://openalex.org/W2114256688","https://openalex.org/W2115228849","https://openalex.org/W2127985481","https://openalex.org/W2138643959","https://openalex.org/W2143302812","https://openalex.org/W2158714844","https://openalex.org/W2186554023","https://openalex.org/W2259214365","https://openalex.org/W2334959457","https://openalex.org/W2335080816","https://openalex.org/W2565843549","https://openalex.org/W2606013951","https://openalex.org/W2622433070","https://openalex.org/W2738642287","https://openalex.org/W2753319005","https://openalex.org/W2779582454","https://openalex.org/W2802769465","https://openalex.org/W2889162782","https://openalex.org/W2933351604","https://openalex.org/W2962850285","https://openalex.org/W2965578912","https://openalex.org/W3021924995","https://openalex.org/W4247702682","https://openalex.org/W4295312788"],"related_works":["https://openalex.org/W2157939113","https://openalex.org/W2035624349","https://openalex.org/W4231581304","https://openalex.org/W4256234604","https://openalex.org/W777362865","https://openalex.org/W2313100937","https://openalex.org/W2112782466","https://openalex.org/W2401855602","https://openalex.org/W3112583219","https://openalex.org/W2377603382"],"abstract_inverted_index":{"Circadian":[0],"rhythms":[1],"influence":[2],"multiple":[3,38],"essential":[4],"biological":[5],"activities":[6],"including":[7],"sleep,":[8],"performance,":[9],"and":[10,35,49,164],"mood.":[11],"The":[12,29,124,174],"dim":[13],"light":[14,83],"melatonin":[15],"onset":[16],"(DLMO)":[17],"is":[18,33,102],"the":[19,50,131,135,146,161,171],"gold":[20],"standard":[21],"for":[22,56,65,94,115],"measuring":[23],"human":[24],"circadian":[25],"phase":[26],"(i.e.,":[27],"timing).":[28],"collection":[30],"of":[31,99,145],"DLMO":[32,117],"expensive":[34],"time-consuming":[36],"since":[37],"saliva":[39],"or":[40,78,204],"blood":[41],"samples":[42,51],"are":[43],"required":[44],"overnight":[45],"in":[46],"special":[47],"conditions,":[48],"must":[52],"then":[53],"be":[54],"assayed":[55],"melatonin.":[57],"Recently,":[58],"several":[59],"computational":[60],"approaches":[61],"have":[62],"been":[63],"designed":[64],"estimating":[66,95,116],"DLMO.":[67,96],"These":[68],"methods":[69],"collect":[70],"daily":[71,201],"sampled":[72,80,143,202,206],"data":[73,81,119,128,144,159,177,203],"(e.g.,":[74,82],"sleep":[75,157],"onset/offset":[76],"times)":[77],"frequently":[79,142,205],"exposure/skin":[84],"temperature/physical":[85],"activity":[86],"collected":[87],"every":[88],"minute)":[89],"to":[90],"train":[91],"learning":[92],"models":[93,154,169,197],"One":[97],"limitation":[98],"these":[100],"studies":[101],"that":[103,155,182,198],"they":[104],"only":[105],"leverage":[106],"one":[107],"time-scale":[108,188],"data.":[109,207],"We":[110,149],"propose":[111],"a":[112],"two-step":[113,184],"framework":[114],"using":[118,176],"from":[120,129,178],"both":[121],"time":[122],"scales.":[123],"first":[125,162],"step":[126,137,163],"summarizes":[127],"before":[130],"current":[132,147],"day,":[133],"while":[134],"second":[136,172],"combines":[138],"this":[139],"summary":[140],"with":[141,186],"day.":[148],"evaluate":[150],"three":[151],"moving":[152],"average":[153],"input":[156],"timing":[158],"as":[160,170],"use":[165,199],"recurrent":[166],"neural":[167],"network":[168],"step.":[173],"results":[175],"207":[179],"undergraduates":[180],"show":[181],"our":[183],"model":[185],"two":[187],"features":[189],"has":[190],"statistically":[191],"significantly":[192],"lower":[193],"root-mean-square":[194],"errors":[195],"than":[196],"either":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2021-08-02T00:00:00"}