{"id":"https://openalex.org/W4383890128","doi":"https://doi.org/10.1109/tkde.2023.3294440","title":"Discovering Dynamic Patterns from Spatiotemporal Data with Time-Varying Low-Rank Autoregression","display_name":"Discovering Dynamic Patterns from Spatiotemporal Data with Time-Varying Low-Rank Autoregression","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4383890128","doi":"https://doi.org/10.1109/tkde.2023.3294440"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2023.3294440","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2023.3294440","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/A5100443888","display_name":"Xinyu Chen","orcid":"https://orcid.org/0000-0001-6208-7744"},"institutions":[{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]},{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xinyu Chen","raw_affiliation_strings":["Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada","Department of Civil Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":"https://orcid.org/0000-0001-6208-7744","affiliations":[{"raw_affiliation_string":"Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I45683168"]},{"raw_affiliation_string":"Department of Civil Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101955002","display_name":"Chengyuan Zhang","orcid":"https://orcid.org/0000-0001-8463-7380"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chengyuan Zhang","raw_affiliation_strings":["Department of Civil Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":"https://orcid.org/0000-0001-8463-7380","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102023780","display_name":"Xiaoxu Chen","orcid":"https://orcid.org/0000-0003-3629-6109"},"institutions":[{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]},{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xiaoxu Chen","raw_affiliation_strings":["Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada","Department of Civil Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I45683168"]},{"raw_affiliation_string":"Department of Civil Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071891413","display_name":"Nicolas Saunier","orcid":"https://orcid.org/0000-0003-0218-7932"},"institutions":[{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nicolas Saunier","raw_affiliation_strings":["Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada"],"raw_orcid":"https://orcid.org/0000-0003-0218-7932","affiliations":[{"raw_affiliation_string":"Civil, Geological and Mining Engineering Department, Polytechnique Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I45683168"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058941074","display_name":"Lijun Sun","orcid":"https://orcid.org/0000-0001-9488-0712"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Lijun Sun","raw_affiliation_strings":["Department of Civil Engineering, McGill University, Montreal, QC, Canada"],"raw_orcid":"https://orcid.org/0000-0001-9488-0712","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, McGill University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5037,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.8832048,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.8913000226020813,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.8913000226020813,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11483","display_name":"Tropical and Extratropical Cyclones Research","score":0.8863000273704529,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.8810999989509583,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7476798295974731},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5496427416801453},{"id":"https://openalex.org/keywords/vector-autoregression","display_name":"Vector autoregression","score":0.46899986267089844},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.46391335129737854},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4572867751121521},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4286479353904724},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3370746076107025},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1359381079673767}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7476798295974731},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5496427416801453},{"id":"https://openalex.org/C133029050","wikidata":"https://www.wikidata.org/wiki/Q385593","display_name":"Vector autoregression","level":2,"score":0.46899986267089844},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.46391335129737854},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4572867751121521},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4286479353904724},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3370746076107025},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1359381079673767},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tkde.2023.3294440","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2023.3294440","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:publications.polymtl.ca:54711","is_oa":false,"landing_page_url":"https://publications.polymtl.ca/54711/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"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":"Article de revue"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8600000143051147,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1898516540","https://openalex.org/W1993482030","https://openalex.org/W2014356541","https://openalex.org/W2016189212","https://openalex.org/W2024165284","https://openalex.org/W2054121219","https://openalex.org/W2078268972","https://openalex.org/W2078898317","https://openalex.org/W2112823474","https://openalex.org/W2126194848","https://openalex.org/W2162548336","https://openalex.org/W2176202464","https://openalex.org/W2341174028","https://openalex.org/W2947626232","https://openalex.org/W2950741027","https://openalex.org/W2963006871","https://openalex.org/W2969215180","https://openalex.org/W3011500455","https://openalex.org/W3012523953","https://openalex.org/W3107841493","https://openalex.org/W3122476676","https://openalex.org/W3124039655","https://openalex.org/W3124444187","https://openalex.org/W3212184402","https://openalex.org/W4205492891","https://openalex.org/W4210968171","https://openalex.org/W4221135977","https://openalex.org/W4230512203","https://openalex.org/W4238160257","https://openalex.org/W4241115065","https://openalex.org/W4246327874","https://openalex.org/W4250955649","https://openalex.org/W4300263211","https://openalex.org/W4312258136","https://openalex.org/W4312585626","https://openalex.org/W6679272984","https://openalex.org/W6786401086"],"related_works":["https://openalex.org/W2152992791","https://openalex.org/W2284372755","https://openalex.org/W1552348273","https://openalex.org/W2163470474","https://openalex.org/W2112835755","https://openalex.org/W2349674371","https://openalex.org/W4291951920","https://openalex.org/W2963262648","https://openalex.org/W2791920475","https://openalex.org/W2097495471"],"abstract_inverted_index":{"The":[0,172],"problem":[1],"of":[2,106],"discovering":[3],"interpretable":[4],"dynamic":[5],"patterns":[6,124],"from":[7,37],"spatiotemporal":[8,68,81,112,166],"data":[9,113,167],"is":[10],"studied":[11],"in":[12,152,168],"this":[13],"paper.":[14],"For":[15],"that":[16],"purpose,":[17],"we":[18],"develop":[19],"a":[20],"time-varying":[21,64,142],"reduced-rank":[22],"vector":[23],"autoregression":[24],"(VAR)":[25],"model":[26,44,48,57,109,158],"whose":[27],"coefficient":[28],"matrices":[29],"are":[30,77,178],"parameterized":[31],"by":[32,132,148],"low-rank":[33],"tensor":[34,39],"factorization.":[35],"Benefiting":[36],"the":[38,42,55,72,104,107,119,122,133,137,140,149,153],"factorization":[40],"structure,":[41],"proposed":[43,56,73,108,154],"can":[45,125,145],"simultaneously":[46],"achieve":[47],"compression":[49],"and":[50,63,97,114,129,175],"pattern":[51],"discovery.":[52],"In":[53,118,136],"particular,":[54],"allows":[58],"one":[59],"to":[60],"characterize":[61],"nonstationarity":[62],"system":[65,143],"behaviors":[66,144],"underlying":[67],"data.":[69],"To":[70],"evaluate":[71],"model,":[74],"extensive":[75],"experiments":[76],"conducted":[78],"on":[79],"various":[80],"datasets":[82,174],"representing":[83],"different":[84],"nonlinear":[85],"dynamical":[86,170],"systems,":[87],"including":[88],"fluid":[89],"dynamics,":[90],"sea":[91],"surface":[92,95],"temperature,":[93,96],"USA":[94],"NYC":[98],"taxi":[99],"trips.":[100],"Experimental":[101],"results":[102],"demonstrate":[103],"effectiveness":[105],"for":[110,163],"analyzing":[111],"characterizing":[115],"spatial/temporal":[116],"patterns.":[117],"spatial":[120,123,134],"context,":[121,139],"be":[126,146],"automatically":[127],"extracted":[128],"intuitively":[130],"characterized":[131],"modes.":[135],"temporal":[138,150],"complex":[141,165],"revealed":[147],"modes":[151],"model.":[155],"Thus,":[156],"our":[157],"lays":[159],"an":[160],"insightful":[161],"foundation":[162],"understanding":[164],"real-world":[169],"systems.":[171],"adapted":[173],"Python":[176],"implementation":[177],"publicly":[179],"available":[180],"at":[181],"<uri":[182],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[183],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">https://github.com/xinychen/vars</uri>":[184],".":[185]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
