{"id":"https://openalex.org/W7206200416","doi":"https://doi.org/10.48550/arxiv.2609.00008","title":"Core-periphery identification in massive networks","display_name":"Core-periphery identification in massive networks","publication_year":2026,"publication_date":"2026-07-29","ids":{"openalex":"https://openalex.org/W7206200416","doi":"https://doi.org/10.48550/arxiv.2609.00008"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.00008","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.00008","pdf_url":"https://arxiv.org/pdf/2609.00008","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.00008","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006784072","display_name":"Eric Yanchenko","orcid":"https://orcid.org/0000-0001-6075-6449","observed_orcids":["https://orcid.org/0000-0001-6075-6449","https://orcid.org/0000-0001-8548-1453"]},"institutions":[{"id":"https://openalex.org/I70999451","display_name":"Akita International University","ror":"https://ror.org/05qz4zw08","country_code":"JP","type":"education","lineage":["https://openalex.org/I70999451"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yanchenko, Eric","raw_affiliation_strings":["Akita International University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Akita International University","institution_ids":["https://openalex.org/I70999451"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5006784072"],"corresponding_institution_ids":["https://openalex.org/I70999451"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9955999851226807,"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":0.9955999851226807,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.003599999938160181,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11476","display_name":"Graph theory and applications","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/core-periphery-structure","display_name":"core-periphery structure","score":0.9559999704360962},{"id":"https://openalex.org/keywords/large-scale-networks","display_name":"large-scale networks","score":0.8130000233650208},{"id":"https://openalex.org/keywords/divide-and-conquer","display_name":"divide-and-conquer","score":0.9369999766349792},{"id":"https://openalex.org/keywords/space-efficient-algorithms","display_name":"memory-efficient algorithms","score":0.5879999995231628},{"id":"https://openalex.org/keywords/network-scalability","display_name":"network scalability","score":0.43799999356269836},{"id":"https://openalex.org/keywords/large-scale-graph-processing","display_name":"large-scale graph processing","score":0.4399999976158142}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7472000122070312},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5756999850273132},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5719000101089478},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5113000273704529},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5085999965667725},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4991999864578247},{"id":"https://openalex.org/C110484373","wikidata":"https://www.wikidata.org/wiki/Q264398","display_name":"Adjacency list","level":2,"score":0.4943000078201294},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.45019999146461487},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.41280001401901245},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3790000081062317},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3653999865055084},{"id":"https://openalex.org/C2988224531","wikidata":"https://www.wikidata.org/wiki/Q20830730","display_name":"Network structure","level":2,"score":0.3427000045776367},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3409999907016754},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3215000033378601},{"id":"https://openalex.org/C3018263672","wikidata":"https://www.wikidata.org/wiki/Q1296251","display_name":"Efficient algorithm","level":2,"score":0.3167000114917755},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.31369999051094055},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.2904999852180481},{"id":"https://openalex.org/C34947359","wikidata":"https://www.wikidata.org/wiki/Q665189","display_name":"Complex network","level":2,"score":0.2874000072479248},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.2791999876499176},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.25690001249313354}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.00008","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.00008","pdf_url":"https://arxiv.org/pdf/2609.00008","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},{"id":"doi:10.48550/arxiv.2609.00008","doi":"https://doi.org/10.48550/arxiv.2609.00008","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.00008","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.00008","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.00008","pdf_url":"https://arxiv.org/pdf/2609.00008","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7206200416.pdf","grobid_xml":"https://content.openalex.org/works/W7206200416.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4281695810","https://openalex.org/W2950087371","https://openalex.org/W4300166449","https://openalex.org/W7056617458","https://openalex.org/W6966542290","https://openalex.org/W7142964234","https://openalex.org/W7095859411","https://openalex.org/W2798555646","https://openalex.org/W3017132060","https://openalex.org/W2593820328"],"abstract_inverted_index":{"Modern":[0],"networks":[1,24],"can":[2],"be":[3,17,28,103],"huge":[4],"with":[5,131],"millions":[6],"or":[7,63],"even":[8],"billions":[9],"of":[10,19,82,91,95,111],"nodes":[11,55],"and":[12,105,120],"edges.":[13],"Thus,":[14],"algorithms":[15],"must":[16],"capable":[18],"scaling":[20],"to":[21,27,41,102,118],"such":[22,69],"large":[23,72],"in":[25,37,45,71],"order":[26],"practically":[29],"useful.":[30],"In":[31],"this":[32],"work,":[33],"we":[34,74],"are":[35,56],"interested":[36],"developing":[38],"an":[39],"algorithm":[40,84,117],"identify":[42,68],"core-periphery":[43],"structure":[44,49],"massive":[46],"networks.":[47],"Core-periphery":[48],"is":[50,85],"a":[51,59,76,107,128],"meso-scale":[52],"feature":[53,81],"where":[54],"grouped":[57],"into":[58,141],"densely":[60],"connected":[61,65],"core":[62],"sparsely":[64],"periphery.":[66],"To":[67],"structures":[70],"networks,":[73],"propose":[75],"divide-and-conquer":[77],"algorithm.":[78],"The":[79],"key":[80],"our":[83],"leveraging":[86],"the":[87,92,96,115,138],"edge":[88],"list":[89],"representation":[90],"network,":[93],"instead":[94],"adjacency":[97],"matrix,":[98],"as":[99],"it":[100],"tends":[101],"faster":[104],"makes":[106],"more":[108],"efficient":[109],"use":[110],"memory.":[112,142],"We":[113],"apply":[114],"proposed":[116],"synthetic":[119],"real-world":[121,129],"data,":[122],"notably":[123],"demonstrating":[124],"its":[125],"performance":[126],"on":[127],"network":[130,140],"almost":[132],"14":[133],"million":[134],"edges":[135],"without":[136],"loading":[137],"entire":[139]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-09-03T00:00:00"}