{"id":"https://openalex.org/W2613878116","doi":"https://doi.org/10.1007/s00453-017-0315-3","title":"Approximability of Clique Transversal in Perfect Graphs","display_name":"Approximability of Clique Transversal in Perfect Graphs","publication_year":2017,"publication_date":"2017-05-08","ids":{"openalex":"https://openalex.org/W2613878116","doi":"https://doi.org/10.1007/s00453-017-0315-3","mag":"2613878116"},"language":"en","primary_location":{"id":"doi:10.1007/s00453-017-0315-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-017-0315-3","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Algorithmica","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/A5001781037","display_name":"Samuel Fiorini","orcid":"https://orcid.org/0000-0002-6845-9008"},"institutions":[{"id":"https://openalex.org/I132053463","display_name":"Universit\u00e9 Libre de Bruxelles","ror":"https://ror.org/01r9htc13","country_code":"BE","type":"education","lineage":["https://openalex.org/I132053463"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Samuel Fiorini","raw_affiliation_strings":["D\u00e9partement de Math\u00e9matique, Universit\u00e9 libre de Bruxelles, Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Math\u00e9matique, Universit\u00e9 libre de Bruxelles, Brussels, Belgium","institution_ids":["https://openalex.org/I132053463"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023086362","display_name":"R. Krithika","orcid":"https://orcid.org/0000-0002-5319-7981"},"institutions":[{"id":"https://openalex.org/I59611059","display_name":"Institute of Mathematical Sciences","ror":"https://ror.org/05078rg59","country_code":"IN","type":"facility","lineage":["https://openalex.org/I59611059"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. Krithika","raw_affiliation_strings":["The Institute of Mathematical Sciences, HBNI, Chennai, India"],"affiliations":[{"raw_affiliation_string":"The Institute of Mathematical Sciences, HBNI, Chennai, India","institution_ids":["https://openalex.org/I59611059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049949046","display_name":"N. S. Narayanaswamy","orcid":null},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"N. S. Narayanaswamy","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073311967","display_name":"Venkatesh Raman","orcid":"https://orcid.org/0000-0001-8123-0980"},"institutions":[{"id":"https://openalex.org/I59611059","display_name":"Institute of Mathematical Sciences","ror":"https://ror.org/05078rg59","country_code":"IN","type":"facility","lineage":["https://openalex.org/I59611059"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Venkatesh Raman","raw_affiliation_strings":["The Institute of Mathematical Sciences, HBNI, Chennai, India"],"affiliations":[{"raw_affiliation_string":"The Institute of Mathematical Sciences, HBNI, Chennai, India","institution_ids":["https://openalex.org/I59611059"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5001781037"],"corresponding_institution_ids":["https://openalex.org/I132053463"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.2369,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.54929356,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"80","issue":"8","first_page":"2221","last_page":"2239"},"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":0.9998000264167786,"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/T12288","display_name":"Optimization and Search Problems","score":0.9898999929428101,"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":0.8201282024383545},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.715770423412323},{"id":"https://openalex.org/keywords/vertex-cover","display_name":"Vertex cover","score":0.5756087303161621},{"id":"https://openalex.org/keywords/independent-set","display_name":"Independent set","score":0.5188952088356018},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.5114778280258179},{"id":"https://openalex.org/keywords/clique-problem","display_name":"Clique problem","score":0.5030750632286072},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4840371012687683},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.4761757254600525},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.4459133446216583},{"id":"https://openalex.org/keywords/clique-sum","display_name":"Clique-sum","score":0.4277323782444},{"id":"https://openalex.org/keywords/chordal-graph","display_name":"Chordal graph","score":0.4183715283870697},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.32774102687835693},{"id":"https://openalex.org/keywords/1-planar-graph","display_name":"1-planar graph","score":0.1585647165775299}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8201282024383545},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.715770423412323},{"id":"https://openalex.org/C40687702","wikidata":"https://www.wikidata.org/wiki/Q11515519","display_name":"Vertex cover","level":3,"score":0.5756087303161621},{"id":"https://openalex.org/C122818955","wikidata":"https://www.wikidata.org/wiki/Q1060343","display_name":"Independent set","level":3,"score":0.5188952088356018},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.5114778280258179},{"id":"https://openalex.org/C150997102","wikidata":"https://www.wikidata.org/wiki/Q1196873","display_name":"Clique problem","level":5,"score":0.5030750632286072},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4840371012687683},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.4761757254600525},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.4459133446216583},{"id":"https://openalex.org/C186942658","wikidata":"https://www.wikidata.org/wiki/Q5134410","display_name":"Clique-sum","level":5,"score":0.4277323782444},{"id":"https://openalex.org/C160446614","wikidata":"https://www.wikidata.org/wiki/Q1322892","display_name":"Chordal graph","level":3,"score":0.4183715283870697},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.32774102687835693},{"id":"https://openalex.org/C102192266","wikidata":"https://www.wikidata.org/wiki/Q4545823","display_name":"1-planar graph","level":4,"score":0.1585647165775299}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s00453-017-0315-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-017-0315-3","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Algorithmica","raw_type":"journal-article"},{"id":"pmh:oai:dipot.ulb.ac.be:2013/272428","is_oa":false,"landing_page_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/272428","pdf_url":null,"source":{"id":"https://openalex.org/S4306401063","display_name":"D\u00e9p\u00f4t institutionnel de l'Universit\u00e9 libre de Bruxelles (Universit\u00e9 Libre de Bruxelles)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I132053463","host_organization_name":"Universit\u00e9 Libre de Bruxelles","host_organization_lineage":["https://openalex.org/I132053463"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Algorithmica, 80 (8","raw_type":"info:ulb-repo/semantics/openurl/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W144954708","https://openalex.org/W1507717186","https://openalex.org/W1548134571","https://openalex.org/W1593672838","https://openalex.org/W1836728813","https://openalex.org/W1899379166","https://openalex.org/W1949860258","https://openalex.org/W1973199140","https://openalex.org/W1990313671","https://openalex.org/W1991728994","https://openalex.org/W1997998268","https://openalex.org/W2004181701","https://openalex.org/W2013415302","https://openalex.org/W2014363582","https://openalex.org/W2027999353","https://openalex.org/W2034437384","https://openalex.org/W2051856222","https://openalex.org/W2075339720","https://openalex.org/W2083367669","https://openalex.org/W2090354123","https://openalex.org/W2100440346","https://openalex.org/W2137118456","https://openalex.org/W2143474538","https://openalex.org/W2143698439","https://openalex.org/W2150440741","https://openalex.org/W2166115470","https://openalex.org/W2402972486","https://openalex.org/W2570081448","https://openalex.org/W2914414140","https://openalex.org/W2952587811","https://openalex.org/W4205585032","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4221147992","https://openalex.org/W2046263886","https://openalex.org/W2138660534","https://openalex.org/W1546874952","https://openalex.org/W2744198939","https://openalex.org/W2046112356","https://openalex.org/W2312409807","https://openalex.org/W1968027460","https://openalex.org/W2002621149","https://openalex.org/W1879675207"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}