{"id":"https://openalex.org/W2015269396","doi":"https://doi.org/10.1109/bigdata.2013.6691733","title":"Fast Change Point Detection for electricity market analysis","display_name":"Fast Change Point Detection for electricity market analysis","publication_year":2013,"publication_date":"2013-10-01","ids":{"openalex":"https://openalex.org/W2015269396","doi":"https://doi.org/10.1109/bigdata.2013.6691733","mag":"2015269396"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata.2013.6691733","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata.2013.6691733","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Big Data","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.osti.gov/biblio/1165211","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084146451","display_name":"William Gu","orcid":null},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"William Gu","raw_affiliation_strings":["Lawrence National Berkeley Laboratory, Berkeley, CA, USA","Lawrence Nat. Berkeley Lab., Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Lawrence National Berkeley Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"Lawrence Nat. Berkeley Lab., Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052985764","display_name":"Jaesik Choi","orcid":"https://orcid.org/0000-0002-4663-3263"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jaesik Choi","raw_affiliation_strings":["Lawrence National Berkeley Laboratory, Berkeley, CA, USA","Lawrence Nat. Berkeley Lab., Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Lawrence National Berkeley Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"Lawrence Nat. Berkeley Lab., Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103226688","display_name":"Ming Gu","orcid":"https://orcid.org/0009-0005-2951-5256"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]},{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ming Gu","raw_affiliation_strings":["Lawrence National Berkeley Laboratory, Berkeley, CA, USA","University of California, Berkeley, Berkeley, CA USA"],"affiliations":[{"raw_affiliation_string":"Lawrence National Berkeley Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"University of California, Berkeley, Berkeley, CA USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066426676","display_name":"Horst D. Simon","orcid":"https://orcid.org/0000-0003-0832-3720"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Horst Simon","raw_affiliation_strings":["Lawrence National Berkeley Laboratory, Berkeley, CA, USA","Lawrence Nat. Berkeley Lab., Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Lawrence National Berkeley Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"Lawrence Nat. Berkeley Lab., Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043129695","display_name":"Kesheng Wu","orcid":"https://orcid.org/0000-0002-6907-3393"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kesheng Wu","raw_affiliation_strings":["Lawrence National Berkeley Laboratory, Berkeley, CA, USA","Lawrence Nat. Berkeley Lab., Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Lawrence National Berkeley Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"Lawrence Nat. Berkeley Lab., Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5084146451"],"corresponding_institution_ids":["https://openalex.org/I148283060"],"apc_list":null,"apc_paid":null,"fwci":2.4907,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.90202767,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"50","last_page":"57"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12814","display_name":"Gaussian Processes and Bayesian Inference","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T12814","display_name":"Gaussian Processes and Bayesian Inference","score":0.9990000128746033,"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/T10876","display_name":"Fault Detection and Control Systems","score":0.9890999794006348,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9854000210762024,"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/electricity","display_name":"Electricity","score":0.7039256691932678},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6269248127937317},{"id":"https://openalex.org/keywords/change-detection","display_name":"Change detection","score":0.5757825374603271},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5558491945266724},{"id":"https://openalex.org/keywords/electricity-market","display_name":"Electricity market","score":0.5485223531723022},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.49240005016326904},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4919123649597168},{"id":"https://openalex.org/keywords/electricity-price-forecasting","display_name":"Electricity price forecasting","score":0.457057923078537},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.44714388251304626},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23229923844337463},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16105180978775024},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08878710865974426}],"concepts":[{"id":"https://openalex.org/C206658404","wikidata":"https://www.wikidata.org/wiki/Q12725","display_name":"Electricity","level":2,"score":0.7039256691932678},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6269248127937317},{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.5757825374603271},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5558491945266724},{"id":"https://openalex.org/C146733006","wikidata":"https://www.wikidata.org/wiki/Q676081","display_name":"Electricity market","level":3,"score":0.5485223531723022},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.49240005016326904},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4919123649597168},{"id":"https://openalex.org/C2781104810","wikidata":"https://www.wikidata.org/wiki/Q23580049","display_name":"Electricity price forecasting","level":4,"score":0.457057923078537},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44714388251304626},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23229923844337463},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16105180978775024},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08878710865974426},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/bigdata.2013.6691733","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata.2013.6691733","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Big Data","raw_type":"proceedings-article"},{"id":"pmh:oai:osti.gov:1165211","is_oa":true,"landing_page_url":"https://www.osti.gov/biblio/1165211","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"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":null},{"id":"pmh:oai:scholarworks.unist.ac.kr:201301/37389","is_oa":false,"landing_page_url":"http://ieeexplore.ieee.org/document/6691733/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401118","display_name":"Scholarworks@UNIST (Ulsan National Institute of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I48566637","host_organization_name":"Ulsan National Institute of Science and Technology","host_organization_lineage":["https://openalex.org/I48566637"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"CONFERENCE"}],"best_oa_location":{"id":"pmh:oai:osti.gov:1165211","is_oa":true,"landing_page_url":"https://www.osti.gov/biblio/1165211","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"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":null},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W73242347","https://openalex.org/W175854469","https://openalex.org/W233115880","https://openalex.org/W1483365869","https://openalex.org/W1540854473","https://openalex.org/W1548849615","https://openalex.org/W1591760710","https://openalex.org/W1599057079","https://openalex.org/W1746819321","https://openalex.org/W1963375715","https://openalex.org/W2044535354","https://openalex.org/W2063664545","https://openalex.org/W2070005306","https://openalex.org/W2075132325","https://openalex.org/W2110769522","https://openalex.org/W2130788627","https://openalex.org/W2131689821","https://openalex.org/W2153347097","https://openalex.org/W2282382832","https://openalex.org/W2339536549","https://openalex.org/W3122207805","https://openalex.org/W3124205360","https://openalex.org/W4211049957","https://openalex.org/W4235331951","https://openalex.org/W6607206061","https://openalex.org/W6682399247","https://openalex.org/W6830627584"],"related_works":["https://openalex.org/W4400555014","https://openalex.org/W2347295811","https://openalex.org/W2028449551","https://openalex.org/W3005545942","https://openalex.org/W2088353375","https://openalex.org/W2356680598","https://openalex.org/W4389989272","https://openalex.org/W4399254721","https://openalex.org/W2966111772","https://openalex.org/W3003665221"],"abstract_inverted_index":{"Electricity":[0,20,54,162],"is":[1,11,88,141,181],"a":[2,41,66,138],"vital":[3],"part":[4],"of":[5,22,69,92,136],"our":[6],"daily":[7],"life;":[8],"therefore":[9],"it":[10,147],"important":[12],"to":[13,31,126,149],"avoid":[14],"irregularities":[15],"such":[16],"as":[17],"the":[18,48,52,77,90,104,116,133,151,155,160,166,176],"California":[19,53,161],"Crisis":[21],"2000":[23],"and":[24],"2001.":[25],"In":[26,103],"this":[27,73,97,112],"work,":[28],"we":[29,75,114,173],"seek":[30],"predict":[32],"anomalies":[33],"using":[34,154],"advanced":[35],"machine":[36],"learning":[37,95],"algorithms,":[38],"more":[39],"specifically":[40],"Change":[42,106,152,168,177],"Point":[43,107,178],"Detection":[44,108,179],"(CPD)":[45],"algorithm":[46,109,145,180],"on":[47,65],"electricity":[49],"prices":[50],"during":[51,159],"Crisis.":[55,163],"Such":[56],"algorithms":[57],"are":[58],"effective,":[59],"but":[60],"computationally":[61],"expensive":[62],"when":[63],"applied":[64],"large":[67],"amount":[68],"data.":[70,85],"To":[71],"address":[72],"challenge,":[74],"accelerate":[76],"Gaussian":[78],"Process":[79],"(GP)":[80],"for":[81],"1-dimensional":[82],"time":[83],"series":[84],"Since":[86],"GP":[87,139],"at":[89],"core":[91],"many":[93,101],"statistical":[94],"techniques,":[96],"improvement":[98],"could":[99],"benefit":[100],"algorithms.":[102],"specific":[105],"used":[110],"in":[111,184],"study,":[113],"reduce":[115],"overall":[117],"computational":[118],"complexity":[119],"from":[120],"O(n":[121,127],"<sup":[122,128],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[123,129],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">5</sup>":[124],")":[125],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[130],"),":[131],"where":[132],"amountized":[134],"cost":[135],"solving":[137],"projet":[140],"O(1).":[142],"Our":[143],"efficient":[144],"makes":[146],"possible":[148],"compute":[150],"Points":[153,169],"hourly":[156],"price":[157],"data":[158],"By":[164],"comparing":[165],"detected":[167],"with":[170],"known":[171],"events,":[172],"show":[174],"that":[175],"indeed":[182],"effective":[183],"detecting":[185],"signals":[186],"preceding":[187],"major":[188],"events.":[189]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
