{"id":"https://openalex.org/W4390819468","doi":"https://doi.org/10.1145/3631428","title":"SF-Adapter","display_name":"SF-Adapter","publication_year":2023,"publication_date":"2023-12-19","ids":{"openalex":"https://openalex.org/W4390819468","doi":"https://doi.org/10.1145/3631428"},"language":"en","primary_location":{"id":"doi:10.1145/3631428","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3631428","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3631428","source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"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":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3631428","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100742605","display_name":"Hua Kang","orcid":"https://orcid.org/0000-0002-3125-0024"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hua Kang","raw_affiliation_strings":["The Hong Kong University of Science and Technology, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-3125-0024","affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006409613","display_name":"Qingyong Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qingyong Hu","raw_affiliation_strings":["The Hong Kong University of Science and Technology, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-8719-7816","affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114378267","display_name":"Qian Zhang","orcid":"https://orcid.org/0000-0001-9205-1881"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qian Zhang","raw_affiliation_strings":["The Hong Kong University of Science and Technology, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0001-9205-1881","affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":0.7445,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.7389262,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"7","issue":"4","first_page":"1","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9736999869346619,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8152248859405518},{"id":"https://openalex.org/keywords/adapter","display_name":"Adapter (computing)","score":0.6890890598297119},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.6102899312973022},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.5897537469863892},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4869436025619507},{"id":"https://openalex.org/keywords/wearable-technology","display_name":"Wearable technology","score":0.4837353527545929},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.43774017691612244},{"id":"https://openalex.org/keywords/domain-adaptation","display_name":"Domain adaptation","score":0.429510235786438},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3580697774887085},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.34032803773880005},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.21920183300971985},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.11872589588165283}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8152248859405518},{"id":"https://openalex.org/C177284502","wikidata":"https://www.wikidata.org/wiki/Q1005390","display_name":"Adapter (computing)","level":2,"score":0.6890890598297119},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.6102899312973022},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.5897537469863892},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4869436025619507},{"id":"https://openalex.org/C54290928","wikidata":"https://www.wikidata.org/wiki/Q4845080","display_name":"Wearable technology","level":3,"score":0.4837353527545929},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.43774017691612244},{"id":"https://openalex.org/C2776434776","wikidata":"https://www.wikidata.org/wiki/Q19246213","display_name":"Domain adaptation","level":3,"score":0.429510235786438},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3580697774887085},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.34032803773880005},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.21920183300971985},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.11872589588165283},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3631428","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3631428","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3631428","source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"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":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-134117","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-134117","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1145/3631428","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3631428","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3631428","source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"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":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4390819468.pdf","grobid_xml":"https://content.openalex.org/works/W4390819468.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1731081199","https://openalex.org/W1857382374","https://openalex.org/W2144348409","https://openalex.org/W2798658180","https://openalex.org/W2888680699","https://openalex.org/W3011074022","https://openalex.org/W3034218934","https://openalex.org/W3175042385","https://openalex.org/W3201853323","https://openalex.org/W3203048322","https://openalex.org/W4214715922","https://openalex.org/W4291125982","https://openalex.org/W4312889818","https://openalex.org/W4386076614"],"related_works":["https://openalex.org/W3090300519","https://openalex.org/W2514492205","https://openalex.org/W4250401876","https://openalex.org/W2943851981","https://openalex.org/W2095299560","https://openalex.org/W2907667791","https://openalex.org/W3047461507","https://openalex.org/W3126390843","https://openalex.org/W4245880644","https://openalex.org/W2999186374"],"abstract_inverted_index":{"Wearable":[0],"sensor-based":[1,143],"human":[2],"activity":[3,102],"recognition":[4,35,234],"(HAR)":[5],"has":[6,40,75],"gained":[7],"significant":[8],"attention":[9],"due":[10],"to":[11,46,121,164,170,176,207,236,255],"the":[12,31,34,56,63,90,98,110,123,166,171,178,237,249],"widespread":[13],"use":[14],"of":[15,33,202,248],"smart":[16],"wearable":[17,142],"devices.":[18,108,154],"However,":[19,62],"variations":[20],"in":[21,49],"different":[22],"subjects":[23],"can":[24],"cause":[25],"a":[26,44,78,83,136,146,158,182,200],"domain":[27,38,73,138,241],"shift":[28],"that":[29,189,229],"impedes":[30],"scaling":[32],"model.":[36],"Unsupervised":[37],"adaptation":[39,74,104,139,187,212,220,242],"been":[41],"proposed":[42],"as":[43,77],"solution":[45],"recognize":[47],"activities":[48],"new,":[50],"unlabeled":[51,91,172],"target":[52,59,92,106,152,173],"domains":[53],"by":[54],"training":[55],"source":[57,67,85,239],"and":[58,194,213,252],"data":[60,68],"together.":[61],"need":[64,99],"for":[65,89,100,141,151,211],"accessing":[66],"raises":[69],"privacy":[70],"concerns.":[71],"Source-free":[72],"emerged":[76],"practical":[79],"setting,":[80],"where":[81],"only":[82],"pre-trained":[84,168],"model":[86,103,169,186],"is":[87,119],"provided":[88],"domain.":[93,174],"This":[94],"setup":[95],"aligns":[96],"with":[97,115,145,244],"personalized":[101],"on":[105,148,225],"local":[107,191],"As":[109],"edge":[111,153],"devices":[112],"are":[113],"resource-constrained":[114],"limited":[116],"memory,":[117],"it":[118],"crucial":[120],"take":[122],"computational":[124,149,216],"efficiency,":[125],"i.e.,":[126],"memory":[127,257],"cost":[128],"into":[129],"consideration.":[130],"In":[131],"this":[132],"paper,":[133],"we":[134,156,180,198],"develop":[135],"source-free":[137],"framework":[140],"HAR,":[144],"focus":[147],"efficiency":[150,217],"Firstly,":[155],"design":[157,199],"lightweight":[159],"add-on":[160],"module":[161],"called":[162],"adapter":[163],"adapt":[165],"frozen":[167],"Secondly,":[175],"optimize":[177],"adapter,":[179],"adopt":[181],"simple":[183],"yet":[184],"effective":[185,210],"method":[188,231],"leverages":[190],"representation":[192],"similarity":[193],"prediction":[195],"consistency.":[196],"Additionally,":[197],"set":[201],"sample":[203],"selection":[204],"optimization":[205],"strategies":[206],"select":[208],"samples":[209],"further":[214],"enhance":[215],"while":[218],"maintaining":[219],"performance.":[221],"Our":[222],"extensive":[223],"experiments":[224],"three":[226],"datasets":[227],"demonstrate":[228],"our":[230],"achieves":[232],"comparable":[233],"accuracy":[235],"state-of-the-art":[238],"free":[240],"methods":[243],"fewer":[245],"than":[246],"1%":[247],"parameters":[250],"updated":[251],"saves":[253],"up":[254],"4.99X":[256],"cost.":[258]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2024-01-13T00:00:00"}