{"id":"https://openalex.org/W1972221471","doi":"https://doi.org/10.1016/s0012-365x(99)00321-0","title":"Star-factorization of symmetric complete bipartite multi-digraphs","display_name":"Star-factorization of symmetric complete bipartite multi-digraphs","publication_year":2000,"publication_date":"2000-03-01","ids":{"openalex":"https://openalex.org/W1972221471","doi":"https://doi.org/10.1016/s0012-365x(99)00321-0","mag":"1972221471"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(99)00321-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(99)00321-0","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","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/A5084705796","display_name":"Kazuhiko Ushio","orcid":null},"institutions":[{"id":"https://openalex.org/I916559398","display_name":"Kindai University","ror":"https://ror.org/05kt9ap64","country_code":"JP","type":"education","lineage":["https://openalex.org/I916559398"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kazuhiko Ushio","raw_affiliation_strings":["Department of Industrial Engineering, Faculty of Science and Technology, Kinki University, Osaka 577-8502, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Industrial Engineering, Faculty of Science and Technology, Kinki University, Osaka 577-8502, Japan","institution_ids":["https://openalex.org/I916559398"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5084705796"],"corresponding_institution_ids":["https://openalex.org/I916559398"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":1.3707,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.80251201,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"215","issue":"1-3","first_page":"293","last_page":"297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.989799976348877,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9782000184059143,"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/bipartite-graph","display_name":"Bipartite graph","score":0.8559513688087463},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8403608798980713},{"id":"https://openalex.org/keywords/digraph","display_name":"Digraph","score":0.7949842214584351},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7835972309112549},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.7344053387641907},{"id":"https://openalex.org/keywords/star","display_name":"Star (game theory)","score":0.4863436818122864},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.43942126631736755},{"id":"https://openalex.org/keywords/complete-bipartite-graph","display_name":"Complete bipartite graph","score":0.4116096794605255},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.2006739377975464},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11162495613098145}],"concepts":[{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.8559513688087463},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8403608798980713},{"id":"https://openalex.org/C2779145032","wikidata":"https://www.wikidata.org/wiki/Q191494","display_name":"Digraph","level":2,"score":0.7949842214584351},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7835972309112549},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.7344053387641907},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.4863436818122864},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.43942126631736755},{"id":"https://openalex.org/C134119311","wikidata":"https://www.wikidata.org/wiki/Q913598","display_name":"Complete bipartite graph","level":4,"score":0.4116096794605255},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.2006739377975464},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11162495613098145},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0012-365x(99)00321-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(99)00321-0","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5400000214576721,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1968986283","https://openalex.org/W1972324219","https://openalex.org/W2054375542","https://openalex.org/W2057974249","https://openalex.org/W2088385043","https://openalex.org/W2582544049","https://openalex.org/W2612978016","https://openalex.org/W2799004609"],"related_works":["https://openalex.org/W99690574","https://openalex.org/W2790788195","https://openalex.org/W2962785705","https://openalex.org/W2121104987","https://openalex.org/W4293584096","https://openalex.org/W2355185940","https://openalex.org/W2091826982","https://openalex.org/W2394105393","https://openalex.org/W245205139","https://openalex.org/W2365751441"],"abstract_inverted_index":null,"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}