{"id":"https://openalex.org/W2996937721","doi":"https://doi.org/10.14778/3368289.3368300","title":"Efficient progressive minimum k-core search","display_name":"Efficient progressive minimum k-core search","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W2996937721","doi":"https://doi.org/10.14778/3368289.3368300","mag":"2996937721"},"language":"en","primary_location":{"id":"doi:10.14778/3368289.3368300","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3368289.3368300","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10453/148193","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011087034","display_name":"Conggai Li","orcid":"https://orcid.org/0000-0002-6164-2643"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]},{"id":"https://openalex.org/I37987034","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06","country_code":"CN","type":"education","lineage":["https://openalex.org/I37987034"]}],"countries":["AU","CN"],"is_corresponding":true,"raw_author_name":"Conggai Li","raw_affiliation_strings":["Guangzhou University and University of Technology Sydney"],"affiliations":[{"raw_affiliation_string":"Guangzhou University and University of Technology Sydney","institution_ids":["https://openalex.org/I114017466","https://openalex.org/I37987034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403537","display_name":"Fan Zhang","orcid":"https://orcid.org/0000-0003-0548-0130"},"institutions":[{"id":"https://openalex.org/I37987034","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06","country_code":"CN","type":"education","lineage":["https://openalex.org/I37987034"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Zhang","raw_affiliation_strings":["Guangzhou University"],"affiliations":[{"raw_affiliation_string":"Guangzhou University","institution_ids":["https://openalex.org/I37987034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100386104","display_name":"Ying Zhang","orcid":"https://orcid.org/0000-0002-2674-1638"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ying Zhang","raw_affiliation_strings":["University of Technology Sydney"],"affiliations":[{"raw_affiliation_string":"University of Technology Sydney","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046220908","display_name":"Lu Qin","orcid":"https://orcid.org/0000-0001-6068-5062"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Lu Qin","raw_affiliation_strings":["University of Technology Sydney"],"affiliations":[{"raw_affiliation_string":"University of Technology Sydney","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100385498","display_name":"Wenjie Zhang","orcid":"https://orcid.org/0000-0001-6572-2600"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wenjie Zhang","raw_affiliation_strings":["University of New South Wales"],"affiliations":[{"raw_affiliation_string":"University of New South Wales","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079659938","display_name":"Xuemin Lin","orcid":"https://orcid.org/0000-0003-2396-7225"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xuemin Lin","raw_affiliation_strings":["University of New South Wales"],"affiliations":[{"raw_affiliation_string":"University of New South Wales","institution_ids":["https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5011087034"],"corresponding_institution_ids":["https://openalex.org/I114017466","https://openalex.org/I37987034"],"apc_list":null,"apc_paid":null,"fwci":2.6713,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.91216751,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"3","first_page":"362","last_page":"375"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9983000159263611,"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/T11106","display_name":"Data Management and Algorithms","score":0.9983000159263611,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.996399998664856,"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/T12288","display_name":"Optimization and Search Problems","score":0.9943000078201294,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/vertex","display_name":"Vertex (graph theory)","score":0.6431806683540344},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.6291508674621582},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5706176161766052},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5242826342582703},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.507853090763092},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5060204863548279},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46291428804397583},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4614722728729248},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.4583558142185211},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.43451520800590515},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4189673662185669},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35442042350769043},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.29822903871536255}],"concepts":[{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.6431806683540344},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.6291508674621582},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5706176161766052},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5242826342582703},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.507853090763092},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5060204863548279},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46291428804397583},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4614722728729248},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.4583558142185211},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.43451520800590515},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4189673662185669},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35442042350769043},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.29822903871536255},{"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.14778/3368289.3368300","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3368289.3368300","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/148193","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/148193","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":{"id":"pmh:oai:opus.lib.uts.edu.au:10453/148193","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/148193","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":59,"referenced_works":["https://openalex.org/W168389790","https://openalex.org/W776559747","https://openalex.org/W1154358131","https://openalex.org/W1445903523","https://openalex.org/W1676999057","https://openalex.org/W1747101780","https://openalex.org/W1748749724","https://openalex.org/W1888358353","https://openalex.org/W1964419312","https://openalex.org/W1975573070","https://openalex.org/W1980162113","https://openalex.org/W1984903982","https://openalex.org/W1994727615","https://openalex.org/W2026369636","https://openalex.org/W2032753391","https://openalex.org/W2059148040","https://openalex.org/W2060077622","https://openalex.org/W2071213388","https://openalex.org/W2072903423","https://openalex.org/W2073127061","https://openalex.org/W2084668738","https://openalex.org/W2085717309","https://openalex.org/W2086595847","https://openalex.org/W2115022330","https://openalex.org/W2125895010","https://openalex.org/W2133131640","https://openalex.org/W2136850043","https://openalex.org/W2138761185","https://openalex.org/W2142599626","https://openalex.org/W2148606255","https://openalex.org/W2150782426","https://openalex.org/W2156020699","https://openalex.org/W2167822639","https://openalex.org/W2228089378","https://openalex.org/W2547646153","https://openalex.org/W2574388534","https://openalex.org/W2592340121","https://openalex.org/W2604873699","https://openalex.org/W2729780524","https://openalex.org/W2774854434","https://openalex.org/W2799896657","https://openalex.org/W2900569176","https://openalex.org/W2912590937","https://openalex.org/W2950201929","https://openalex.org/W2950850544","https://openalex.org/W2962676535","https://openalex.org/W2962788915","https://openalex.org/W2963054764","https://openalex.org/W2966737735","https://openalex.org/W2981454525","https://openalex.org/W2987496047","https://openalex.org/W3015485598","https://openalex.org/W3125991563","https://openalex.org/W6637459119","https://openalex.org/W6637754264","https://openalex.org/W6648886718","https://openalex.org/W6660341138","https://openalex.org/W6686449064","https://openalex.org/W7023726515"],"related_works":["https://openalex.org/W3158538495","https://openalex.org/W2045815042","https://openalex.org/W1901944325","https://openalex.org/W2092226129","https://openalex.org/W2913619905","https://openalex.org/W2052299349","https://openalex.org/W4297728441","https://openalex.org/W3125758369","https://openalex.org/W2375898439","https://openalex.org/W2028287801"],"abstract_inverted_index":{"As":[0],"one":[1],"of":[2,27,44,116,133,164,197],"the":[3,18,25,28,56,89,114,117,122,131,162,165,168,178,193,198],"most":[4],"representative":[5],"cohesive":[6],"subgraph":[7,60],"models,":[8],"k":[9,30,40,58,180],"-core":[10,31,59,181],"model":[11],"has":[12,69],"recently":[13],"received":[14],"significant":[15],"attention":[16],"in":[17,140],"literature.":[19],"In":[20,142],"this":[21,73,98,143],"paper,":[22,144],"we":[23,52,145],"investigate":[24],"problem":[26,74],"minimum":[29,179],"search:":[32],"given":[33],"a":[34,42,78,158],"graph":[35],"G":[36],",":[37,155],"an":[38,147],"integer":[39],"and":[41,82,107,149,167,173,195],"set":[43],"query":[45,63],"vertices":[46],"Q":[47],"=":[48],"{":[49],"q":[50,65],"},":[51],"aim":[53],"to":[54,87,113,156],"find":[55,88],"smallest":[57],"containing":[61],"every":[62],"vertex":[64],"\u03f5":[66],"Q.":[67],"It":[68],"been":[70],"shown":[71],"that":[72,130],"is":[75,84,109],"NP-hard":[76],"with":[77,121],"huge":[79],"search":[80,169,182],"space,":[81],"it":[83],"very":[85],"challenging":[86],"optimal":[90,123],"solution.":[91,124],"There":[92],"are":[93,183],"several":[94],"heuristic":[95],"algorithms":[96],"for":[97,177],"problem,":[99],"but":[100],"they":[101],"rely":[102],"on":[103,188],"simple":[104],"scoring":[105],"functions":[106],"there":[108],"no":[110],"guarantee":[111],"as":[112],"size":[115,132],"resulting":[118,135],"subgraph,":[119],"compared":[120],"Our":[125,185],"empirical":[126],"study":[127],"also":[128],"indicates":[129],"their":[134],"subgraphs":[136],"may":[137],"be":[138],"large":[139],"practice.":[141],"develop":[146],"effective":[148],"efficient":[150],"progressive":[151],"algorithm,":[152],"namely":[153],"PSA":[154],"provide":[157],"good":[159],"trade-off":[160],"between":[161],"quality":[163],"result":[166],"time.":[170],"Novel":[171],"lower":[172],"upper":[174],"bound":[175],"techniques":[176],"designed.":[184],"extensive":[186],"experiments":[187],"12":[189],"real-life":[190],"graphs":[191],"demonstrate":[192],"effectiveness":[194],"efficiency":[196],"new":[199],"techniques.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}