{"id":"https://openalex.org/W2574388534","doi":"https://doi.org/10.14778/3115404.3115406","title":"When engagement meets similarity","display_name":"When engagement meets similarity","publication_year":2017,"publication_date":"2017-06-01","ids":{"openalex":"https://openalex.org/W2574388534","doi":"https://doi.org/10.14778/3115404.3115406","mag":"2574388534"},"language":"en","primary_location":{"id":"doi:10.14778/3115404.3115406","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3115404.3115406","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":"https://opus.lib.uts.edu.au/bitstream/10453/121512/1/p998-zhang.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063040436","display_name":"Fan Zhang","orcid":"https://orcid.org/0000-0002-6189-2992"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fan Zhang","raw_affiliation_strings":["East China Normal University and University of Technology Sydney"],"affiliations":[{"raw_affiliation_string":"East China Normal University and University of Technology Sydney","institution_ids":["https://openalex.org/I66867065"]}]},{"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/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuemin Lin","raw_affiliation_strings":["East China Normal University and University of New South Wales"],"affiliations":[{"raw_affiliation_string":"East China Normal University and University of New South Wales","institution_ids":["https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5063040436"],"corresponding_institution_ids":["https://openalex.org/I66867065"],"apc_list":null,"apc_paid":null,"fwci":11.5471,"has_fulltext":true,"cited_by_count":123,"citation_normalized_percentile":{"value":0.98961502,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"10","issue":"10","first_page":"998","last_page":"1009"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9842000007629395,"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":0.9842000007629395,"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/pruning","display_name":"Pruning","score":0.7467586398124695},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.7325863838195801},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.6613991260528564},{"id":"https://openalex.org/keywords/pairwise-comparison","display_name":"Pairwise comparison","score":0.6382812857627869},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5548770427703857},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5370691418647766},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4625399112701416},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.45271360874176025},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3838973045349121},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3344140648841858},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17783570289611816},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.15438807010650635},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07764294743537903}],"concepts":[{"id":"https://openalex.org/C108010975","wikidata":"https://www.wikidata.org/wiki/Q500094","display_name":"Pruning","level":2,"score":0.7467586398124695},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.7325863838195801},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.6613991260528564},{"id":"https://openalex.org/C184898388","wikidata":"https://www.wikidata.org/wiki/Q1435712","display_name":"Pairwise comparison","level":2,"score":0.6382812857627869},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5548770427703857},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5370691418647766},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4625399112701416},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.45271360874176025},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3838973045349121},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3344140648841858},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17783570289611816},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.15438807010650635},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07764294743537903},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.14778/3115404.3115406","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3115404.3115406","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:10453/121512","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/121512","pdf_url":"https://opus.lib.uts.edu.au/bitstream/10453/121512/1/p998-zhang.pdf","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/131190","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/131190","pdf_url":"http://hdl.handle.net/10453/131190","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":null,"license_id":null,"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:10453/121512","is_oa":true,"landing_page_url":"http://hdl.handle.net/10453/121512","pdf_url":"https://opus.lib.uts.edu.au/bitstream/10453/121512/1/p998-zhang.pdf","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G204887131","display_name":null,"funder_award_id":"DP150102728","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G240611355","display_name":null,"funder_award_id":"61232006","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2545615073","display_name":null,"funder_award_id":"DP170101628","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4443352811","display_name":null,"funder_award_id":"DP150103071","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4611444012","display_name":null,"funder_award_id":"NSFC61232006","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5797785011","display_name":null,"funder_award_id":"16010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5800652842","display_name":null,"funder_award_id":"6123200","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8208342437","display_name":null,"funder_award_id":"1 and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8305276883","display_name":null,"funder_award_id":"170101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2574388534.pdf"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1154358131","https://openalex.org/W1496956529","https://openalex.org/W1533959098","https://openalex.org/W1676999057","https://openalex.org/W1926280565","https://openalex.org/W1963605141","https://openalex.org/W1975573922","https://openalex.org/W1983365058","https://openalex.org/W2011039300","https://openalex.org/W2012921801","https://openalex.org/W2017152855","https://openalex.org/W2025266141","https://openalex.org/W2025904765","https://openalex.org/W2026369636","https://openalex.org/W2070452390","https://openalex.org/W2076279155","https://openalex.org/W2085717309","https://openalex.org/W2086416261","https://openalex.org/W2111315907","https://openalex.org/W2116007667","https://openalex.org/W2129256050","https://openalex.org/W2133131640","https://openalex.org/W2141667528","https://openalex.org/W2148606255","https://openalex.org/W2156020699","https://openalex.org/W2228089378","https://openalex.org/W2432087854","https://openalex.org/W2547646153","https://openalex.org/W2592340121","https://openalex.org/W2594188495","https://openalex.org/W2604873699","https://openalex.org/W2951803119","https://openalex.org/W2951988735","https://openalex.org/W3037826211","https://openalex.org/W3102647957"],"related_works":["https://openalex.org/W2487162673","https://openalex.org/W2949152769","https://openalex.org/W4372354731","https://openalex.org/W2562400057","https://openalex.org/W1692008701","https://openalex.org/W2597588799","https://openalex.org/W4360593462","https://openalex.org/W2194570607","https://openalex.org/W2807634898","https://openalex.org/W2793211469"],"abstract_inverted_index":{"In":[0,27],"this":[1],"paper,":[2],"we":[3,29,65],"investigate":[4],"the":[5,31,39,42,67,89,107,128,158],"problem":[6],"of":[7,34,41,110,127,172],"(":[8,54,84,91,115,119,130,160],"k,r":[9,55,85,92,120,131,161],")-core":[10,56,117,121,132],"which":[11],"intends":[12],"to":[13,37,58,80,99,165],"find":[14,88,166],"cohesive":[15,168],"subgraphs":[16],"on":[17,73,153],"social":[18],"networks":[19],"considering":[20],"both":[21,95],"user":[22],"engagement":[23,40],"and":[24,87,170],"similarity":[25,69],"perspectives.":[26],"particular,":[28],"adopt":[30],"popular":[32],"concept":[33],"k":[35,61],"-core":[36],"guarantee":[38],"users":[43,71],"(vertices)":[44],"in":[45,52],"a":[46,53],"group":[47],"(subgraph)":[48],"where":[49,94,144],"each":[50],"vertex":[51],"connects":[57],"at":[59],"least":[60],"other":[62],"vertices.":[63],"Meanwhile,":[64],"consider":[66],"pairwise":[68],"among":[70],"based":[72,118],"their":[74],"attributes.":[75],"Efficient":[76],"algorithms":[77,143,175],"are":[78,97,149],"proposed":[79,180],"enumerate":[81],"all":[82],"maximal":[83],")-cores":[86,162],"maximum":[90,129],")-core,":[93],"problems":[96],"shown":[98],"be":[100],"NP-hard.":[101],"Effective":[102],"pruning":[103],"techniques":[104],"substantially":[105],"reduce":[106],"search":[108,138,145],"space":[109],"two":[111,141,173],"algorithms.":[112],"A":[113],"novel":[114],"k,k'":[116],"size":[122],"upper":[123],"bound":[124],"enhances":[125],"performance":[126,171],"computation.":[133],"We":[134],"also":[135],"devise":[136],"effective":[137],"orders":[139],"for":[140,147],"mining":[142,174],"priorities":[146],"vertices":[148],"different.":[150],"Comprehensive":[151],"experiments":[152],"real-life":[154],"data":[155],"demonstrate":[156],"that":[157],"maximal/maximum":[159],"enable":[163],"us":[164],"interesting":[167],"subgraphs,":[169],"is":[176],"effectively":[177],"improved":[178],"by":[179],"techniques.":[181]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":18},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":24},{"year":2019,"cited_by_count":30},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":1}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}
