{"id":"https://openalex.org/W1768970167","doi":"https://doi.org/10.1109/percom.2015.7146506","title":"Online unsupervised state recognition in sensor data","display_name":"Online unsupervised state recognition in sensor data","publication_year":2015,"publication_date":"2015-03-01","ids":{"openalex":"https://openalex.org/W1768970167","doi":"https://doi.org/10.1109/percom.2015.7146506","mag":"1768970167"},"language":"en","primary_location":{"id":"doi:10.1109/percom.2015.7146506","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percom.2015.7146506","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Pervasive Computing and Communications (PerCom)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://infoscience.epfl.ch/record/204925/files/supp-material.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036900688","display_name":"Julien Eberle","orcid":null},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Julien Eberle","raw_affiliation_strings":["Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058165536","display_name":"Tri Kurniawan Wijaya","orcid":"https://orcid.org/0000-0002-8916-7442"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Tri Kurniawan Wijaya","raw_affiliation_strings":["Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001443156","display_name":"Karl Aberer","orcid":"https://orcid.org/0000-0003-3005-7342"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Karl Aberer","raw_affiliation_strings":["Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), School of Computer and Communication Sciences, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"School of Computer and Communication Sciences, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7398,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.84737478,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"18","issue":null,"first_page":"29","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.996999979019165,"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/T11309","display_name":"Music and Audio Processing","score":0.9884999990463257,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.7770437002182007},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.6692193746566772},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.6271907091140747},{"id":"https://openalex.org/keywords/streaming-data","display_name":"Streaming data","score":0.5979346036911011},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.59730464220047},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5134962201118469},{"id":"https://openalex.org/keywords/data-stream-mining","display_name":"Data stream mining","score":0.510139524936676},{"id":"https://openalex.org/keywords/data-stream","display_name":"Data stream","score":0.5031902194023132},{"id":"https://openalex.org/keywords/smart-environment","display_name":"Smart environment","score":0.47021010518074036},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41158172488212585},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33671626448631287},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.334402859210968},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.19416123628616333},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.0993664562702179},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.08340582251548767},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0764397382736206}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7770437002182007},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.6692193746566772},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.6271907091140747},{"id":"https://openalex.org/C2777611316","wikidata":"https://www.wikidata.org/wiki/Q39045282","display_name":"Streaming data","level":2,"score":0.5979346036911011},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.59730464220047},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5134962201118469},{"id":"https://openalex.org/C89198739","wikidata":"https://www.wikidata.org/wiki/Q3079880","display_name":"Data stream mining","level":2,"score":0.510139524936676},{"id":"https://openalex.org/C2778484313","wikidata":"https://www.wikidata.org/wiki/Q1172540","display_name":"Data stream","level":2,"score":0.5031902194023132},{"id":"https://openalex.org/C152223200","wikidata":"https://www.wikidata.org/wiki/Q3055471","display_name":"Smart environment","level":3,"score":0.47021010518074036},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41158172488212585},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33671626448631287},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.334402859210968},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.19416123628616333},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.0993664562702179},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.08340582251548767},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0764397382736206},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/percom.2015.7146506","is_oa":false,"landing_page_url":"https://doi.org/10.1109/percom.2015.7146506","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Pervasive Computing and Communications (PerCom)","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.tind.io:204925","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/204925","pdf_url":"https://infoscience.epfl.ch/record/204925/files/supp-material.pdf","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference proceedings"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.996.999","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.996.999","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://infoscience.epfl.ch/record/204925/files/online_percom2015.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:infoscience.tind.io:204925","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/204925","pdf_url":"https://infoscience.epfl.ch/record/204925/files/supp-material.pdf","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference proceedings"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1768970167.pdf","grobid_xml":"https://content.openalex.org/works/W1768970167.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W151863654","https://openalex.org/W1051151099","https://openalex.org/W1537039776","https://openalex.org/W1598358187","https://openalex.org/W1633659671","https://openalex.org/W1801768344","https://openalex.org/W1814262059","https://openalex.org/W1857382374","https://openalex.org/W1889841741","https://openalex.org/W1973222433","https://openalex.org/W1989458369","https://openalex.org/W1993601324","https://openalex.org/W1998373023","https://openalex.org/W2004626126","https://openalex.org/W2006272420","https://openalex.org/W2006761268","https://openalex.org/W2016016348","https://openalex.org/W2053696850","https://openalex.org/W2054218117","https://openalex.org/W2070406401","https://openalex.org/W2083236658","https://openalex.org/W2097098223","https://openalex.org/W2100964305","https://openalex.org/W2102319615","https://openalex.org/W2110893883","https://openalex.org/W2129905273","https://openalex.org/W2137630387","https://openalex.org/W2144024567","https://openalex.org/W2149558335","https://openalex.org/W2154892776","https://openalex.org/W2158382689","https://openalex.org/W2164274563","https://openalex.org/W4233014035","https://openalex.org/W6606194391","https://openalex.org/W6635741669","https://openalex.org/W6636873521","https://openalex.org/W6639464859","https://openalex.org/W6668417485","https://openalex.org/W6683424812"],"related_works":["https://openalex.org/W4389449520","https://openalex.org/W4246591448","https://openalex.org/W2060628068","https://openalex.org/W3208495060","https://openalex.org/W2801575137","https://openalex.org/W2235038291","https://openalex.org/W1658774705","https://openalex.org/W25382803","https://openalex.org/W2277307313","https://openalex.org/W2593770100"],"abstract_inverted_index":{"Smart":[0],"sensors,":[1],"such":[2,51,58,106],"as":[3,59,107,113],"smart":[4,7],"meters":[5],"or":[6,63,109],"phones,":[8],"are":[9],"nowadays":[10],"ubiquitous.":[11],"To":[12],"be":[13,68],"\u201csmart\u201d,":[14],"however,":[15],"they":[16],"need":[17],"to":[18,46,120],"process":[19],"their":[20],"input":[21],"data":[22,38,74,100],"with":[23,75],"limited":[24],"storage":[25],"and":[26,44,81,93,129,154],"computational":[27],"resources.":[28,85],"In":[29],"this":[30],"paper,":[31],"we":[32],"convert":[33,94],"the":[34,72,138,146],"stream":[35,41],"of":[36,42,79,89,123,137,148],"sensor":[37],"into":[39,96],"a":[40,52,90],"symbols,":[43],"further,":[45],"higher":[47],"level":[48],"symbols":[49,97],"in":[50,126],"way":[53],"that":[54],"common":[55],"analytical":[56],"tasks":[57],"anomaly":[60],"detection,":[61],"forecasting":[62],"state":[64],"recognition,":[65],"can":[66],"still":[67],"carried":[69],"out":[70],"on":[71],"transformed":[73],"almost":[76],"no":[77],"loss":[78],"accuracy,":[80],"using":[82,151],"far":[83],"fewer":[84],"We":[86,144],"identify":[87],"states":[88,122],"monitored":[91],"system":[92,139],"them":[95],"(thus,":[98],"reducing":[99],"size),":[101],"while":[102],"keeping":[103],"\u201cinteresting\u201d":[104],"events,":[105],"anomalies":[108],"transition":[110],"between":[111],"states,":[112],"it":[114],"is.":[115],"Our":[116],"algorithm":[117],"is":[118,133,140],"able":[119],"find":[121],"various":[124,155],"length":[125],"an":[127],"online":[128],"unsupervised":[130],"way,":[131],"which":[132],"crucial":[134],"since":[135],"behavior":[136],"not":[141],"known":[142],"beforehand.":[143],"show":[145],"effectiveness":[147],"our":[149],"approach":[150],"real-world":[152],"datasets":[153],"application":[156],"scenarios.":[157]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
