{"id":"https://openalex.org/W2090667601","doi":"https://doi.org/10.1109/tkde.2007.1002","title":"Discovery of Periodic Patterns in Spatiotemporal Sequences","display_name":"Discovery of Periodic Patterns in Spatiotemporal Sequences","publication_year":2007,"publication_date":"2007-03-14","ids":{"openalex":"https://openalex.org/W2090667601","doi":"https://doi.org/10.1109/tkde.2007.1002","mag":"2090667601"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2007.1002","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2007.1002","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},"type":"article","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/A5054198975","display_name":"Huiping Cao","orcid":"https://orcid.org/0000-0002-1350-1846"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Huiping Cao","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Hong Kong, China","Dept. of Comput. Sci., Hong Kong Univ., Pokfulam"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Hong Kong Univ., Pokfulam","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045731304","display_name":"Nikos Mamoulis","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Nikos Mamoulis","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Hong Kong, China","Dept. of Comput. Sci., Hong Kong Univ., Pokfulam"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Hong Kong Univ., Pokfulam","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108756735","display_name":"David W. Cheung","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"David W. Cheung","raw_affiliation_strings":["Department of Computer Science, University of Hong Kong, Hong Kong, China","Dept. of Comput. Sci., Hong Kong Univ., Pokfulam"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Hong Kong Univ., Pokfulam","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5054198975"],"corresponding_institution_ids":["https://openalex.org/I889458895"],"apc_list":null,"apc_paid":null,"fwci":15.8241,"has_fulltext":false,"cited_by_count":156,"citation_normalized_percentile":{"value":0.98765998,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"19","issue":"4","first_page":"453","last_page":"467"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9983999729156494,"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9916999936103821,"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":0.7907363176345825},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.686512291431427},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.5797394514083862},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5247264504432678},{"id":"https://openalex.org/keywords/periodic-sequence","display_name":"Periodic sequence","score":0.4971020519733429},{"id":"https://openalex.org/keywords/symbol","display_name":"Symbol (formal)","score":0.44610869884490967},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12649273872375488}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7907363176345825},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.686512291431427},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5797394514083862},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5247264504432678},{"id":"https://openalex.org/C120241303","wikidata":"https://www.wikidata.org/wiki/Q3503302","display_name":"Periodic sequence","level":2,"score":0.4971020519733429},{"id":"https://openalex.org/C134400042","wikidata":"https://www.wikidata.org/wiki/Q2372244","display_name":"Symbol (formal)","level":2,"score":0.44610869884490967},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12649273872375488},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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":2,"locations":[{"id":"doi:10.1109/tkde.2007.1002","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2007.1002","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:hub.hku.hk:10722/47085","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/47085","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"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":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1484413656","https://openalex.org/W1486723877","https://openalex.org/W1506285740","https://openalex.org/W1540310433","https://openalex.org/W1553193704","https://openalex.org/W1566114229","https://openalex.org/W1608194207","https://openalex.org/W1673310716","https://openalex.org/W1837913551","https://openalex.org/W1861465509","https://openalex.org/W1939649909","https://openalex.org/W2006761268","https://openalex.org/W2039152947","https://openalex.org/W2050400354","https://openalex.org/W2108072252","https://openalex.org/W2112128729","https://openalex.org/W2115639613","https://openalex.org/W2118887058","https://openalex.org/W2120765374","https://openalex.org/W2124527135","https://openalex.org/W2126310301","https://openalex.org/W2131518207","https://openalex.org/W2147440465","https://openalex.org/W2148500771","https://openalex.org/W2149660273","https://openalex.org/W2158454296","https://openalex.org/W6628750762","https://openalex.org/W6629065563","https://openalex.org/W6632119897","https://openalex.org/W6633080275","https://openalex.org/W6633857196","https://openalex.org/W6681750443"],"related_works":["https://openalex.org/W2277696552","https://openalex.org/W2342276130","https://openalex.org/W2407707314","https://openalex.org/W2078825692","https://openalex.org/W2376206440","https://openalex.org/W2167028754","https://openalex.org/W2206006039","https://openalex.org/W133641854","https://openalex.org/W1991902168","https://openalex.org/W1491405641"],"abstract_inverted_index":{"In":[0,93,119],"many":[1],"applications":[2],"that":[3,137],"track":[4],"and":[5,33,107,111,189],"analyze":[6],"spatiotemporal":[7,52,81,105],"data,":[8],"movements":[9],"obey":[10],"periodic":[11,49,66,102,117,135,156],"patterns;":[12],"the":[13,16,30,38,59,85,91,98,127,132,146,153,187,192],"objects":[14],"follow":[15,34],"same":[17,31,39],"routes":[18],"(approximately)":[19],"over":[20],"regular":[21],"time":[22,32],"intervals.":[23],"For":[24],"example,":[25],"people":[26],"wake":[27],"up":[28],"at":[29],"more":[35],"or":[36,163],"less":[37],"route":[40],"to":[41,58,79],"their":[42],"work":[43],"everyday.":[44],"The":[45,129,149],"discovery":[46,154],"of":[47,84,87,100,126,134,145,155,191],"hidden":[48],"patterns":[50,67,103,136],"in":[51,90,104],"data":[53,60,106],"could":[54],"unveil":[55],"important":[56],"information":[57],"analyst.":[61],"Existing":[62],"approaches":[63],"for":[64,114,174],"discovering":[65],"focus":[68],"on":[69],"symbol":[70],"sequences.":[71],"However,":[72],"these":[73,175],"methods":[74],"cannot":[75],"directly":[76],"be":[77,161,172],"applied":[78],"a":[80,142,180],"sequence":[82],"because":[83],"fuzziness":[86],"spatial":[88],"locations":[89],"sequence.":[92],"this":[94],"paper,":[95],"we":[96,121,178,185],"define":[97],"problem":[99,151],"mining":[101,169],"propose":[108],"an":[109],"effective":[110],"efficient":[112],"algorithm":[113],"retrieving":[115],"maximal":[116],"patterns.":[118],"addition,":[120],"study":[122],"two":[123],"interesting":[124],"variants":[125],"problem.":[128],"first":[130],"is":[131,152],"retrieval":[133],"are":[138],"frequent":[139],"only":[140],"during":[141],"continuous":[143],"subinterval":[144],"whole":[147],"history.":[148],"second":[150],"patterns,":[157],"whose":[158],"instances":[159],"may":[160],"shifted":[162],"distorted.":[164],"We":[165],"demonstrate":[166],"how":[167],"our":[168],"technique":[170],"can":[171],"adapted":[173],"variants.":[176],"Finally,":[177],"present":[179],"comprehensive":[181],"experimental":[182],"evaluation,":[183],"where":[184],"show":[186],"effectiveness":[188],"efficiency":[190],"proposed":[193],"techniques":[194]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":17},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":11},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":22},{"year":2012,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}