{"id":"https://openalex.org/W2105664651","doi":"https://doi.org/10.1016/s0166-218x(02)00462-6","title":"On the orientation of graphs and hypergraphs","display_name":"On the orientation of graphs and hypergraphs","publication_year":2003,"publication_date":"2003-09-01","ids":{"openalex":"https://openalex.org/W2105664651","doi":"https://doi.org/10.1016/s0166-218x(02)00462-6","mag":"2105664651"},"language":"en","primary_location":{"id":"doi:10.1016/s0166-218x(02)00462-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0166-218x(02)00462-6","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied 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/A5091492325","display_name":"Andr\u00e1s Frank","orcid":"https://orcid.org/0000-0001-6161-4848"},"institutions":[{"id":"https://openalex.org/I106118109","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","ror":"https://ror.org/01jsq2704","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]},{"id":"https://openalex.org/I4210131589","display_name":"Ericsson (Hungary)","ror":"https://ror.org/03c0yyz21","country_code":"HU","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210131589"]}],"countries":["HU"],"is_corresponding":true,"raw_author_name":"Andr\u00e1s Frank","raw_affiliation_strings":["Department of Operations Research, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary","Traffic Lab Ericsson Hungary, Laborc u. 1, Budapest, H-1037, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Operations Research, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary","institution_ids":["https://openalex.org/I106118109"]},{"raw_affiliation_string":"Traffic Lab Ericsson Hungary, Laborc u. 1, Budapest, H-1037, Hungary","institution_ids":["https://openalex.org/I4210131589"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072284685","display_name":"Tam\u00e1s Kir\u00e1ly","orcid":"https://orcid.org/0000-0001-7218-2112"},"institutions":[{"id":"https://openalex.org/I106118109","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","ror":"https://ror.org/01jsq2704","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]}],"countries":["HU"],"is_corresponding":true,"raw_author_name":"Tam\u00e1s Kir\u00e1ly","raw_affiliation_strings":["Department of Operations Research, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Operations Research, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary","institution_ids":["https://openalex.org/I106118109"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090547771","display_name":"Zolt\u00e1n Kir\u00e1ly","orcid":"https://orcid.org/0000-0002-9815-5793"},"institutions":[{"id":"https://openalex.org/I106118109","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","ror":"https://ror.org/01jsq2704","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]},{"id":"https://openalex.org/I4210131589","display_name":"Ericsson (Hungary)","ror":"https://ror.org/03c0yyz21","country_code":"HU","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210131589"]}],"countries":["HU"],"is_corresponding":true,"raw_author_name":"Zolt\u00e1n Kir\u00e1ly","raw_affiliation_strings":["Department of Computer Science, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary","Traffic Lab Ericsson Hungary, Laborc u. 1, Budapest, H-1037, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, E\u00f6tv\u00f6s University, P\u00e1zm\u00e1ny P\u00e9ter s\u00e9t\u00e1ny 1/C, Budapest, H-1117, Hungary","institution_ids":["https://openalex.org/I106118109"]},{"raw_affiliation_string":"Traffic Lab Ericsson Hungary, Laborc u. 1, Budapest, H-1037, Hungary","institution_ids":["https://openalex.org/I4210131589"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072284685","https://openalex.org/A5090547771","https://openalex.org/A5091492325"],"corresponding_institution_ids":["https://openalex.org/I106118109","https://openalex.org/I4210131589"],"apc_list":{"value":2750,"currency":"USD","value_usd":2750},"apc_paid":null,"fwci":3.2761,"has_fulltext":false,"cited_by_count":81,"citation_normalized_percentile":{"value":0.92473979,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"131","issue":"2","first_page":"385","last_page":"400"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9998999834060669,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9965000152587891,"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9922000169754028,"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/mathematics","display_name":"Mathematics","score":0.6640598773956299},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5653470158576965},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.5505490899085999},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.48432648181915283},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4835067093372345},{"id":"https://openalex.org/keywords/undirected-graph","display_name":"Undirected graph","score":0.47924116253852844},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4467499852180481},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4389827251434326},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4296235740184784},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2437182068824768},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06660941243171692},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.06591889262199402}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6640598773956299},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5653470158576965},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5505490899085999},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.48432648181915283},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4835067093372345},{"id":"https://openalex.org/C3018234147","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Undirected graph","level":3,"score":0.47924116253852844},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4467499852180481},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4389827251434326},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4296235740184784},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2437182068824768},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06660941243171692},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.06591889262199402},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/s0166-218x(02)00462-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0166-218x(02)00462-6","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied Mathematics","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.102.6733","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.102.6733","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.elte.hu/egres/tr/egres-01-06.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.29.1213","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.29.1213","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.elte.hu/egres/design/generated/../../tr/egres-01-06rev.ps.gz","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1508474907","https://openalex.org/W1565413026","https://openalex.org/W1786780942","https://openalex.org/W2010006094","https://openalex.org/W2012121392","https://openalex.org/W2014228444","https://openalex.org/W2068241960","https://openalex.org/W2106121057","https://openalex.org/W2112660220","https://openalex.org/W2313441277","https://openalex.org/W2335132016","https://openalex.org/W3158027121","https://openalex.org/W4399889134","https://openalex.org/W6630378156","https://openalex.org/W6633790391","https://openalex.org/W6811704845"],"related_works":["https://openalex.org/W2075768550","https://openalex.org/W3022218857","https://openalex.org/W2369178846","https://openalex.org/W2082716031","https://openalex.org/W2370289839","https://openalex.org/W2933494595","https://openalex.org/W1568049691","https://openalex.org/W2581850242","https://openalex.org/W2160325950","https://openalex.org/W1994341438"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":5}],"updated_date":"2026-06-13T07:54:00.901334","created_date":"2025-10-10T00:00:00"}
