{"id":"https://openalex.org/W2025002731","doi":"https://doi.org/10.1051/ro:2004003","title":"Approximation algorithms for the design of SDH/SONET networks","display_name":"Approximation algorithms for the design of SDH/SONET networks","publication_year":2003,"publication_date":"2003-10-01","ids":{"openalex":"https://openalex.org/W2025002731","doi":"https://doi.org/10.1051/ro:2004003","mag":"2025002731"},"language":"en","primary_location":{"id":"doi:10.1051/ro:2004003","is_oa":false,"landing_page_url":"https://doi.org/10.1051/ro:2004003","pdf_url":null,"source":{"id":"https://openalex.org/S20631277","display_name":"RAIRO - Operations Research","issn_l":"0399-0559","issn":["0399-0559","1290-3868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319748","host_organization_name":"EDP Sciences","host_organization_lineage":["https://openalex.org/P4310319748"],"host_organization_lineage_names":["EDP Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"RAIRO - Operations 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/A5051164757","display_name":"Nadia Brauner","orcid":"https://orcid.org/0000-0002-2890-4509"},"institutions":[{"id":"https://openalex.org/I4210136308","display_name":"Translational Innovation in Medicine and Complexity","ror":"https://ror.org/03985kf35","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I4210095849","https://openalex.org/I4210104684","https://openalex.org/I4210136308","https://openalex.org/I4210159245","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nadia Brauner","raw_affiliation_strings":["Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr","institution_ids":["https://openalex.org/I4210136308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038958909","display_name":"Yves Crama","orcid":"https://orcid.org/0000-0002-7470-4743"},"institutions":[{"id":"https://openalex.org/I157674565","display_name":"University of Li\u00e8ge","ror":"https://ror.org/00afp2z80","country_code":"BE","type":"education","lineage":["https://openalex.org/I157674565"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Yves Crama","raw_affiliation_strings":["\u00c9cole d'Administration des Affaires, Universit\u00e9 de Li\u00e8ge, boulevard du Rectorat 7 (B31), 4000 Li\u00e8ge, Belgique; y.crama@ulg.ac.be"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"\u00c9cole d'Administration des Affaires, Universit\u00e9 de Li\u00e8ge, boulevard du Rectorat 7 (B31), 4000 Li\u00e8ge, Belgique; y.crama@ulg.ac.be","institution_ids":["https://openalex.org/I157674565"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112892618","display_name":"Gerd Finke","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136308","display_name":"Translational Innovation in Medicine and Complexity","ror":"https://ror.org/03985kf35","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I4210095849","https://openalex.org/I4210104684","https://openalex.org/I4210136308","https://openalex.org/I4210159245","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Gerd Finke","raw_affiliation_strings":["Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr","institution_ids":["https://openalex.org/I4210136308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106234809","display_name":"Pierre Lemaire","orcid":"https://orcid.org/0000-0002-9281-2385"},"institutions":[{"id":"https://openalex.org/I4210136308","display_name":"Translational Innovation in Medicine and Complexity","ror":"https://ror.org/03985kf35","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I4210095849","https://openalex.org/I4210104684","https://openalex.org/I4210136308","https://openalex.org/I4210159245","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Pierre Lemaire","raw_affiliation_strings":["Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire Leibniz-IMAG, 46 avenue F\u00e9lix Viallet, 38031 Grenoble Cedex, France; nadia.brauner@imag.fr., gerd.finke@imag.fr., pierre.lemaire@imag.fr","institution_ids":["https://openalex.org/I4210136308"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036476630","display_name":"Christelle Wynants","orcid":null},"institutions":[{"id":"https://openalex.org/I89206478","display_name":"Engie (Belgium)","ror":"https://ror.org/00c97z041","country_code":"BE","type":"company","lineage":["https://openalex.org/I4210124897","https://openalex.org/I89206478"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Christelle Wynants","raw_affiliation_strings":["Electrabel Quantitive Analysis, 8 boulevard du R\u00e9gent, 1000 Brussels, Belgique; christelle.wynants@electrabel.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrabel Quantitive Analysis, 8 boulevard du R\u00e9gent, 1000 Brussels, Belgique; christelle.wynants@electrabel.com","institution_ids":["https://openalex.org/I89206478"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.5214,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.83414245,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"37","issue":"4","first_page":"235","last_page":"247"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12176","display_name":"Optimization and Packing Problems","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T12176","display_name":"Optimization and Packing Problems","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11797","display_name":"graph theory and CDMA systems","score":0.9990000128746033,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9983000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synchronous-optical-networking","display_name":"Synchronous optical networking","score":0.9196004867553711},{"id":"https://openalex.org/keywords/tabu-search","display_name":"Tabu search","score":0.8695343732833862},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6376292705535889},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.545379102230072},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.4894072115421295},{"id":"https://openalex.org/keywords/steiner-tree-problem","display_name":"Steiner tree problem","score":0.48442867398262024},{"id":"https://openalex.org/keywords/network-planning-and-design","display_name":"Network planning and design","score":0.46764183044433594},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.45991554856300354},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4331563413143158},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23570317029953003},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23118659853935242}],"concepts":[{"id":"https://openalex.org/C198306430","wikidata":"https://www.wikidata.org/wiki/Q51823","display_name":"Synchronous optical networking","level":2,"score":0.9196004867553711},{"id":"https://openalex.org/C123370116","wikidata":"https://www.wikidata.org/wiki/Q1424540","display_name":"Tabu search","level":2,"score":0.8695343732833862},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6376292705535889},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.545379102230072},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.4894072115421295},{"id":"https://openalex.org/C76220878","wikidata":"https://www.wikidata.org/wiki/Q1764144","display_name":"Steiner tree problem","level":2,"score":0.48442867398262024},{"id":"https://openalex.org/C114563136","wikidata":"https://www.wikidata.org/wiki/Q19725982","display_name":"Network planning and design","level":2,"score":0.46764183044433594},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.45991554856300354},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4331563413143158},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23570317029953003},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23118659853935242}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1051/ro:2004003","is_oa":false,"landing_page_url":"https://doi.org/10.1051/ro:2004003","pdf_url":null,"source":{"id":"https://openalex.org/S20631277","display_name":"RAIRO - Operations Research","issn_l":"0399-0559","issn":["0399-0559","1290-3868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319748","host_organization_name":"EDP Sciences","host_organization_lineage":["https://openalex.org/P4310319748"],"host_organization_lineage_names":["EDP Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"RAIRO - Operations Research","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.555.5368","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.5368","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://archive.numdam.org/ARCHIVE/RO/RO_2003__37_4/RO_2003__37_4_235_0/RO_2003__37_4_235_0.pdf","raw_type":"text"},{"id":"pmh:oai:HAL:hal-00358567v1","is_oa":false,"landing_page_url":"https://hal.science/hal-00358567","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"RAIRO - Operations Research, 2003, 37 (4), pp.235-247. ⟨10.1051/ro:2004003⟩","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:numdam.org:RO_2003__37_4_235_0","is_oa":false,"landing_page_url":"https://www.numdam.org/articles/10.1051/ro:2004003/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402264","display_name":"French digital mathematics library (Numdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I70900168","host_organization_name":"Universit\u00e9 Savoie Mont Blanc","host_organization_lineage":["https://openalex.org/I70900168"],"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":"Text"},{"id":"pmh:oai:orbi.ulg.ac.be:2268/1734","is_oa":false,"landing_page_url":"https://orbi.uliege.be/handle/2268/1734","pdf_url":null,"source":{"id":"https://openalex.org/S4306400651","display_name":"Open Repository and Bibliography (University of Li\u00e8ge)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157674565","host_organization_name":"University of Li\u00e8ge","host_organization_lineage":["https://openalex.org/I157674565"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"RAIRO: Recherche Op\u00e9rationnelle, 37 (4, OCT-DEC), 235-247 (2003)","raw_type":"http://purl.org/coar/resource_type/c_6501"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1484866529","https://openalex.org/W1559215823","https://openalex.org/W1982984907","https://openalex.org/W1986553570","https://openalex.org/W2002547394","https://openalex.org/W2006069852","https://openalex.org/W2011039300","https://openalex.org/W2043862089","https://openalex.org/W2059936808","https://openalex.org/W2061040942","https://openalex.org/W2101186575","https://openalex.org/W2139721783","https://openalex.org/W2147359356","https://openalex.org/W2157054705","https://openalex.org/W2158689539","https://openalex.org/W2339500526","https://openalex.org/W2476096155","https://openalex.org/W2724408033","https://openalex.org/W3152126650","https://openalex.org/W4212899374"],"related_works":["https://openalex.org/W2367195720","https://openalex.org/W1968497507","https://openalex.org/W1998126097","https://openalex.org/W1980288485","https://openalex.org/W2009976792","https://openalex.org/W2004321562","https://openalex.org/W328736688","https://openalex.org/W2995411114","https://openalex.org/W3184075718","https://openalex.org/W2404561224"],"abstract_inverted_index":{"In":[0],"this":[1,28],"paper,":[2],"a":[3,37],"graph":[4],"partitioning":[5],"problem":[6,29],"that":[7],"arises":[8],"in":[9,31],"the":[10],"design":[11],"of":[12,46],"SONET/SDH":[13],"networks":[14],"is":[15],"defined":[16],"and":[17,36,42],"formalized.":[18],"Approximation":[19],"algorithms":[20,35],"with":[21],"performance":[22],"guarantees":[23],"are":[24,40],"presented.":[25],"To":[26],"solve":[27],"efficiently":[30],"practice,":[32],"fast":[33],"greedy":[34],"tabu-search":[38],"method":[39],"proposed":[41],"analyzed":[43],"by":[44],"means":[45],"an":[47],"experimental":[48],"study.":[49]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}