{"id":"https://openalex.org/W1998435622","doi":"https://doi.org/10.1587/transinf.2014edp7184","title":"Dominating Sets and Induced Matchings in Orthogonal Ray Graphs","display_name":"Dominating Sets and Induced Matchings in Orthogonal Ray Graphs","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W1998435622","doi":"https://doi.org/10.1587/transinf.2014edp7184","mag":"1998435622"},"language":"en","primary_location":{"id":"doi:10.1587/transinf.2014edp7184","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2014edp7184","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E97.D/12/E97.D_2014EDP7184/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/transinf/E97.D/12/E97.D_2014EDP7184/_pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076246585","display_name":"Asahi Takaoka","orcid":"https://orcid.org/0000-0002-0194-7138"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Asahi TAKAOKA","raw_affiliation_strings":["Department of Communications and Computer Engineering, Tokyo Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Communications and Computer Engineering, Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065870863","display_name":"Satoshi Tayu","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Satoshi TAYU","raw_affiliation_strings":["Department of Communications and Computer Engineering, Tokyo Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Communications and Computer Engineering, Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I90023481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089756558","display_name":"Shuichi Ueno","orcid":"https://orcid.org/0000-0002-2611-962X"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuichi UENO","raw_affiliation_strings":["Department of Communications and Computer Engineering, Tokyo Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Communications and Computer Engineering, Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7533,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.84170119,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"E97.D","issue":"12","first_page":"3101","last_page":"3109"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9994000196456909,"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":0.9994000196456909,"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9803000092506409,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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":0.9786999821662903,"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/combinatorics","display_name":"Combinatorics","score":0.7191922068595886},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5886937975883484},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.5811923742294312},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5223646759986877},{"id":"https://openalex.org/keywords/graph-coloring","display_name":"Graph coloring","score":0.41672617197036743},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4144870638847351},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3771176338195801}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7191922068595886},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5886937975883484},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.5811923742294312},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5223646759986877},{"id":"https://openalex.org/C76946457","wikidata":"https://www.wikidata.org/wiki/Q504843","display_name":"Graph coloring","level":3,"score":0.41672617197036743},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4144870638847351},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3771176338195801},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1587/transinf.2014edp7184","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2014edp7184","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E97.D/12/E97.D_2014EDP7184/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},{"id":"pmh:oai:irdb.nii.ac.jp:01177:0004528568","is_oa":true,"landing_page_url":"https://muroran-it.repo.nii.ac.jp/records/10263","pdf_url":"https://muroran-it.repo.nii.ac.jp/record/10263/files/IEICETIS_97_12_3101_3109.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS","raw_type":"journal article"},{"id":"pmh:oai:muroran-it.repo.nii.ac.jp:00010263","is_oa":false,"landing_page_url":"https://muroran-it.repo.nii.ac.jp/record/10263/files/IEICETIS_97_12_3101_3109.pdf","pdf_url":"https://muroran-it.repo.nii.ac.jp/record/10263/files/IEICETIS_97_12_3101_3109.pdf","source":{"id":"https://openalex.org/S4306400524","display_name":"Muroran Institute of Technology Academic Resources Archieve (Muroran Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I41725924","host_organization_name":"Muroran Institute of Technology","host_organization_lineage":["https://openalex.org/I41725924"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"VoR"}],"best_oa_location":{"id":"doi:10.1587/transinf.2014edp7184","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2014edp7184","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E97.D/12/E97.D_2014EDP7184/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5715183133","display_name":"Study of Huge Graphs for the Design of Nano-Circuits","funder_award_id":"26330007","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G6783837870","display_name":"\u8010\u6545\u969c\u30ca\u30ce\u56de\u8def\u8a2d\u8a08\u306b\u5411\u3051\u3066\u306e\u76f4\u4ea4\u534a\u76f4\u7dda\u4ea4\u5dee\u30b0\u30e9\u30d5\u306b\u95a2\u3059\u308b\u7814\u7a76","funder_award_id":"14J08924","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1998435622.pdf","grobid_xml":"https://content.openalex.org/works/W1998435622.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W2152706","https://openalex.org/W24081582","https://openalex.org/W118941943","https://openalex.org/W123842721","https://openalex.org/W141971525","https://openalex.org/W639947448","https://openalex.org/W854087466","https://openalex.org/W1579049696","https://openalex.org/W1890176618","https://openalex.org/W1964095725","https://openalex.org/W1967207440","https://openalex.org/W1972937804","https://openalex.org/W1972965975","https://openalex.org/W1973275449","https://openalex.org/W1974366154","https://openalex.org/W1974918981","https://openalex.org/W1975172784","https://openalex.org/W1977889556","https://openalex.org/W1990809933","https://openalex.org/W1995359535","https://openalex.org/W1999576733","https://openalex.org/W2000763343","https://openalex.org/W2010733068","https://openalex.org/W2019670386","https://openalex.org/W2020270928","https://openalex.org/W2022850650","https://openalex.org/W2033470072","https://openalex.org/W2041949666","https://openalex.org/W2047570770","https://openalex.org/W2047899424","https://openalex.org/W2058460385","https://openalex.org/W2062476001","https://openalex.org/W2068155033","https://openalex.org/W2068654529","https://openalex.org/W2070477262","https://openalex.org/W2074087553","https://openalex.org/W2084877920","https://openalex.org/W2096993714","https://openalex.org/W2098976472","https://openalex.org/W2103589346","https://openalex.org/W2143474538","https://openalex.org/W2145519285","https://openalex.org/W2148438817","https://openalex.org/W2149785904","https://openalex.org/W2154520530","https://openalex.org/W2170633983","https://openalex.org/W2175446664","https://openalex.org/W2175518075","https://openalex.org/W2276595507","https://openalex.org/W2562831453","https://openalex.org/W2738644697","https://openalex.org/W2748096547","https://openalex.org/W2913398500","https://openalex.org/W4210377846","https://openalex.org/W4230110633","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1972035260","https://openalex.org/W2794488505","https://openalex.org/W4301594054","https://openalex.org/W3125889879","https://openalex.org/W3124422538","https://openalex.org/W1519201794","https://openalex.org/W2157169356","https://openalex.org/W1629505938","https://openalex.org/W2767824041","https://openalex.org/W1987322712"],"abstract_inverted_index":{"An":[0],"orthogonal":[1,55,91,153,191,243],"ray":[2,26,36,44,56,92,154,192,244],"graph":[3,7,20],"is":[4,21,139,177],"an":[5],"intersection":[6],"of":[8,54,122,125,142,180],"horizontal":[9,43],"and":[10,31,41,58,77,119,161,215],"vertical":[11,25,35],"rays":[12],"(closed":[13],"half-lines)":[14],"in":[15,101,114,132,144,170,182,201,212,224,239],"the":[16,28,38,46,69,73,78,94,106,120,140,145,156,162,178,183,194,204,216,231],"plane.":[17],"Such":[18],"a":[19,126],"3-directional":[22,190],"if":[23,33],"every":[24,34,42],"has":[27,37,45],"same":[29,39,47],"direction,":[30],"2-directional":[32,90,152],"direction":[40],"direction.":[48],"We":[49,86,147,227],"derive":[50],"some":[51],"structural":[52],"properties":[53],"graphs,":[57,93,155,193],"based":[59],"on":[60],"these":[61,84],"properties,":[62],"we":[63,186],"introduce":[64],"polynomial-time":[65],"algorithms":[66],"that":[67,88,150,188,230],"solve":[68],"dominating":[70,95,108,123],"set":[71,96,109],"problem,":[72,76],"induced":[74,158,195,206,233],"matching":[75,159,196,207,234],"strong":[79,163,217],"edge":[80,164,218],"coloring":[81,165,219],"problem":[82,97,110,160,166,197,208,220,235],"for":[83,89,151,189,242],"graphs.":[85,245],"show":[87,149,187,229],"can":[98,111,129,167,198,209,221,236],"be":[99,112,130,168,199,210,222,237],"solved":[100,113,169,200,211,223,238],"O(n2":[102],"log5":[103],"n)":[104,117,135,173],"time,":[105,118,136,174,203,214],"weighted":[107,157,205,232],"O(n4":[115],"log":[116,134,172],"number":[121,141,179],"sets":[124],"fixed":[127],"size":[128],"computed":[131],"O(n6":[133],"where":[137,175],"n":[138],"vertices":[143],"graph.":[146,184],"also":[148],"O(n2+m":[171],"m":[176],"edges":[181],"Moreover,":[185],"O(m2)":[202],"O(m4)":[213],"O(m3)":[225],"time.":[226],"finally":[228],"O(m6)":[240],"time":[241]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}