{"id":"https://openalex.org/W2026156613","doi":"https://doi.org/10.1016/s0377-2217(02)00299-0","title":"Differential approximation for optimal satisfiability and related problems","display_name":"Differential approximation for optimal satisfiability and related problems","publication_year":2003,"publication_date":"2003-02-17","ids":{"openalex":"https://openalex.org/W2026156613","doi":"https://doi.org/10.1016/s0377-2217(02)00299-0","mag":"2026156613"},"language":"en","primary_location":{"id":"doi:10.1016/s0377-2217(02)00299-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0377-2217(02)00299-0","pdf_url":null,"source":{"id":"https://openalex.org/S103321696","display_name":"European Journal of Operational Research","issn_l":"0377-2217","issn":["0377-2217","1872-6860"],"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":"European Journal of Operational Research","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/A5002493273","display_name":"Cristina Bazgan","orcid":"https://orcid.org/0000-0002-5460-6222"},"institutions":[{"id":"https://openalex.org/I56435720","display_name":"Universit\u00e9 Paris Dauphine-PSL","ror":"https://ror.org/052bz7812","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580","https://openalex.org/I56435720"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Cristina Bazgan","raw_affiliation_strings":["LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal de Lattre de Tassigny, F-75775 Paris Cedex 16, France","LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal De Lattre de Tassigny, F-75775 Paris Cedex 16, France"],"affiliations":[{"raw_affiliation_string":"LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal de Lattre de Tassigny, F-75775 Paris Cedex 16, France","institution_ids":["https://openalex.org/I56435720"]},{"raw_affiliation_string":"LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal De Lattre de Tassigny, F-75775 Paris Cedex 16, France","institution_ids":["https://openalex.org/I56435720"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111473903","display_name":"Vang\u00e9lis Th. Paschos","orcid":null},"institutions":[{"id":"https://openalex.org/I56435720","display_name":"Universit\u00e9 Paris Dauphine-PSL","ror":"https://ror.org/052bz7812","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580","https://openalex.org/I56435720"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Vangelis Th. Paschos","raw_affiliation_strings":["LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal de Lattre de Tassigny, F-75775 Paris Cedex 16, France","LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal De Lattre de Tassigny, F-75775 Paris Cedex 16, France"],"affiliations":[{"raw_affiliation_string":"LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal de Lattre de Tassigny, F-75775 Paris Cedex 16, France","institution_ids":["https://openalex.org/I56435720"]},{"raw_affiliation_string":"LAMSADE, Universit\u00e9 Paris-Dauphine, Place du Mar\u00e9chal De Lattre de Tassigny, F-75775 Paris Cedex 16, France","institution_ids":["https://openalex.org/I56435720"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5111473903"],"corresponding_institution_ids":["https://openalex.org/I56435720"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":null,"fwci":1.4547,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.81689615,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"147","issue":"2","first_page":"397","last_page":"404"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9994999766349792,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9994999766349792,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9921000003814697,"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":0.9890000224113464,"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":0.7107532024383545},{"id":"https://openalex.org/keywords/vertex-cover","display_name":"Vertex cover","score":0.687160074710846},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.6431894302368164},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.6395041346549988},{"id":"https://openalex.org/keywords/satisfiability","display_name":"Satisfiability","score":0.5882078409194946},{"id":"https://openalex.org/keywords/differential","display_name":"Differential (mechanical device)","score":0.5504403114318848},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.5157423615455627},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4936741292476654},{"id":"https://openalex.org/keywords/set-cover-problem","display_name":"Set cover problem","score":0.43108710646629333},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4213044345378876},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.38857588171958923},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17204749584197998},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.0964830219745636},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.05275312066078186}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7107532024383545},{"id":"https://openalex.org/C40687702","wikidata":"https://www.wikidata.org/wiki/Q11515519","display_name":"Vertex cover","level":3,"score":0.687160074710846},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.6431894302368164},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.6395041346549988},{"id":"https://openalex.org/C168773769","wikidata":"https://www.wikidata.org/wiki/Q1350299","display_name":"Satisfiability","level":2,"score":0.5882078409194946},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.5504403114318848},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.5157423615455627},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4936741292476654},{"id":"https://openalex.org/C100808899","wikidata":"https://www.wikidata.org/wiki/Q1192100","display_name":"Set cover problem","level":3,"score":0.43108710646629333},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4213044345378876},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.38857588171958923},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17204749584197998},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0964830219745636},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05275312066078186},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0377-2217(02)00299-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0377-2217(02)00299-0","pdf_url":null,"source":{"id":"https://openalex.org/S103321696","display_name":"European Journal of Operational Research","issn_l":"0377-2217","issn":["0377-2217","1872-6860"],"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":"European Journal of Operational Research","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:eee:ejores:v:147:y:2003:i:2:p:397-404","is_oa":false,"landing_page_url":"http://www.sciencedirect.com/science/article/pii/S0377-2217(02)00299-0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W118210480","https://openalex.org/W1571307015","https://openalex.org/W1967935161","https://openalex.org/W1975218943","https://openalex.org/W2001258377","https://openalex.org/W2038225707","https://openalex.org/W2081254453","https://openalex.org/W2088377032","https://openalex.org/W2137560895","https://openalex.org/W2148352980","https://openalex.org/W2171103562","https://openalex.org/W2991337620","https://openalex.org/W6604879565","https://openalex.org/W6642266901"],"related_works":["https://openalex.org/W2112112676","https://openalex.org/W2108073487","https://openalex.org/W4247100793","https://openalex.org/W3159572760","https://openalex.org/W2782292024","https://openalex.org/W2551034790","https://openalex.org/W1502438505","https://openalex.org/W2951888513","https://openalex.org/W4301954754","https://openalex.org/W2019875157"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
