{"id":"https://openalex.org/W2140561855","doi":"https://doi.org/10.1109/cidm.2011.5949426","title":"Periodic quick test for classifying long-term activities","display_name":"Periodic quick test for classifying long-term activities","publication_year":2011,"publication_date":"2011-04-01","ids":{"openalex":"https://openalex.org/W2140561855","doi":"https://doi.org/10.1109/cidm.2011.5949426","mag":"2140561855"},"language":"en","primary_location":{"id":"doi:10.1109/cidm.2011.5949426","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cidm.2011.5949426","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Symposium on Computational Intelligence and Data Mining (CIDM)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069221764","display_name":"Pekka Siirtola","orcid":"https://orcid.org/0000-0002-5995-5421"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Pekka Siirtola","raw_affiliation_strings":["Computer Science and Engineering Laboratory, University of Oulu, Finland","Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering Laboratory, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053650091","display_name":"Heli Koskim\u00e4ki","orcid":"https://orcid.org/0000-0003-2760-2071"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Heli Koskimaki","raw_affiliation_strings":["Computer Science and Engineering Laboratory, University of Oulu, Finland","Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering Laboratory, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070507098","display_name":"Juha R\u00f6ning","orcid":"https://orcid.org/0000-0001-9993-8602"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Juha Roning","raw_affiliation_strings":["Computer Science and Engineering Laboratory, University of Oulu, Finland","Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering Laboratory, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Computer Science and Engineering Laboratory, P.O. BOX 4500, FI-90014, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"135","last_page":"140"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9998999834060669,"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":0.9998999834060669,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10338","display_name":"Advanced Sensor and Energy Harvesting Materials","score":0.9437999725341797,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.7558941841125488},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6518768072128296},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6260627508163452},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6114735007286072},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.5679731369018555},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5352882146835327},{"id":"https://openalex.org/keywords/test-set","display_name":"Test set","score":0.49877429008483887},{"id":"https://openalex.org/keywords/test","display_name":"Test (biology)","score":0.4961441457271576},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.4609431028366089},{"id":"https://openalex.org/keywords/sliding-window-protocol","display_name":"Sliding window protocol","score":0.4225725829601288},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3676413893699646},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.2642570734024048}],"concepts":[{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.7558941841125488},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6518768072128296},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6260627508163452},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6114735007286072},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.5679731369018555},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5352882146835327},{"id":"https://openalex.org/C169903167","wikidata":"https://www.wikidata.org/wiki/Q3985153","display_name":"Test set","level":2,"score":0.49877429008483887},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.4961441457271576},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4609431028366089},{"id":"https://openalex.org/C102392041","wikidata":"https://www.wikidata.org/wiki/Q592860","display_name":"Sliding window protocol","level":3,"score":0.4225725829601288},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3676413893699646},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.2642570734024048},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cidm.2011.5949426","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cidm.2011.5949426","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Symposium on Computational Intelligence and Data Mining (CIDM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321855","display_name":"Tekes","ror":"https://ror.org/02ag8cq23"},{"id":"https://openalex.org/F4320336704","display_name":"Infotech Oulu","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W98188630","https://openalex.org/W1491797991","https://openalex.org/W1527911497","https://openalex.org/W1534268656","https://openalex.org/W1584096058","https://openalex.org/W2096335861","https://openalex.org/W2105046342","https://openalex.org/W2110729448","https://openalex.org/W2127127580","https://openalex.org/W2161995681","https://openalex.org/W2556902169","https://openalex.org/W2613161123","https://openalex.org/W2747485148","https://openalex.org/W4239167631","https://openalex.org/W6604091132","https://openalex.org/W6629350661","https://openalex.org/W6631658523","https://openalex.org/W6675583992"],"related_works":["https://openalex.org/W2765080098","https://openalex.org/W2385749422","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W2009888974","https://openalex.org/W2355539379","https://openalex.org/W2056341223","https://openalex.org/W4231410700","https://openalex.org/W4237770763","https://openalex.org/W2592948570"],"abstract_inverted_index":{"A":[0],"novel":[1],"method":[2,14,85,144,167],"to":[3,30],"classify":[4],"long-term":[5,62],"human":[6],"activities":[7,45,105],"is":[8,38,86],"presented":[9,84],"in":[10],"this":[11],"study.":[12],"The":[13,24,65,79,112,138],"consists":[15],"of":[16,60,134,161],"two":[17],"parts:":[18],"quick":[19,25,49],"test":[20,26,50],"and":[21,100,128],"periodic":[22,36],"classification.":[23],"uses":[27],"temporal":[28,98],"information":[29,99],"improve":[31],"recognition":[32,152],"accuracy,":[33],"while":[34,148],"the":[35,41,83,135,151,159],"classification":[37,52,139],"based":[39],"on":[40,76],"assumption":[42],"that":[43,82,94,104],"recognized":[44],"are":[46,106],"long-term.":[47],"Periodic":[48],"(PQT)":[51],"was":[53,145,154,168],"tested":[54],"using":[55,141,149,164,174],"a":[56,73,91,117,142,165],"data":[57,66],"set":[58],"consisting":[59],"six":[61,70,136,170],"sports":[63],"exercises.":[64],"were":[67,114],"collected":[68],"from":[69],"persons":[71],"wearing":[72],"two-dimensional":[74],"accelerometer":[75],"their":[77],"wrist.":[78],"results":[80,113],"show":[81],"not":[87,96,102],"only":[88],"faster":[89],"than":[90,173],"normal":[92,118,143,166],"method,":[93],"does":[95,101],"use":[97],"assume":[103],"long-term,":[107],"but":[108],"also":[109],"more":[110],"accurate.":[111],"compared":[115],"with":[116],"sliding":[119],"window":[120],"technique":[121],"which":[122],"divides":[123],"signal":[124],"into":[125,132],"smaller":[126],"sequences":[127,163],"classifies":[129],"each":[130],"sequence":[131],"one":[133],"classes.":[137],"accuracy":[140],"around":[146],"84%":[147],"PQT":[150],"rate":[153],"over":[155,169],"90%.":[156],"In":[157],"addition,":[158],"number":[160],"classified":[162],"times":[171],"higher":[172],"PQT.":[175]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
