{"id":"https://openalex.org/W2139116018","doi":"https://doi.org/10.1016/j.disopt.2006.05.009","title":"Exact algorithms for a discrete metric labeling problem","display_name":"Exact algorithms for a discrete metric labeling problem","publication_year":2006,"publication_date":"2006-07-25","ids":{"openalex":"https://openalex.org/W2139116018","doi":"https://doi.org/10.1016/j.disopt.2006.05.009","mag":"2139116018"},"language":"en","primary_location":{"id":"doi:10.1016/j.disopt.2006.05.009","doi":"https://doi.org/10.1016/j.disopt.2006.05.009","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.disopt.2006.05.009","pdf_url":"https://www.sciencedirect.com/science/article/pii/S1572528606000351/pdf","source":{"id":"https://openalex.org/S203549655","display_name":"Discrete Optimization","issn_l":"1572-5286","issn":["1572-5286","1873-636X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"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 Optimization","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.sciencedirect.com/science/article/pii/S1572528606000351/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058422878","display_name":"Arianna Alfieri","orcid":"https://orcid.org/0000-0002-2700-9430","observed_orcids":["https://orcid.org/0000-0002-2700-9430"]},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Arianna Alfieri","raw_affiliation_strings":["Dipartimento di Sistemi di Produzione e Economia dell\u2019Azienda, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy","Dipartimento di Sistemi di Produzione e Economia dell'Azienda, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Sistemi di Produzione e Economia dell\u2019Azienda, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Dipartimento di Sistemi di Produzione e Economia dell'Azienda, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035123646","display_name":"Gaia Nicosia","orcid":"https://orcid.org/0000-0003-4043-2812","observed_orcids":["https://orcid.org/0000-0003-4043-2812"]},"institutions":[{"id":"https://openalex.org/I119003972","display_name":"Roma Tre University","ror":"https://ror.org/05vf0dg29","country_code":"IT","type":"education","lineage":["https://openalex.org/I119003972"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gaia Nicosia","raw_affiliation_strings":["Dipartimento di Informatica ed Automazione, Universit\u00e0 \u201cRoma Tre\u201d, Via della Vasca Navale 79, I-00146 Roma, Italy","Dipartimento di Informatica ed Automazione, Universit\u00ed Roma Tre, Via della Vasca Navale 79, I-00146 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica ed Automazione, Universit\u00e0 \u201cRoma Tre\u201d, Via della Vasca Navale 79, I-00146 Roma, Italy","institution_ids":["https://openalex.org/I119003972"]},{"raw_affiliation_string":"Dipartimento di Informatica ed Automazione, Universit\u00ed Roma Tre, Via della Vasca Navale 79, I-00146 Roma, Italy","institution_ids":["https://openalex.org/I119003972"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086486243","display_name":"Andrea Pacifici","orcid":"https://orcid.org/0000-0001-6144-0024","observed_orcids":["https://orcid.org/0000-0001-6144-0024"]},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Andrea Pacifici","raw_affiliation_strings":["Dipartimento di Ingegneria dell\u2019Impresa, Universit\u00e0 di Roma \u201cTor Vergata\u201d, via del Politecnico 1, I-00133 Roma, Italy","Dipartimento di Ingegneria dell'Impresa, Universit\u00ed di Roma Tor Vergata, via del Politecnico 1, I-00133 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Ingegneria dell\u2019Impresa, Universit\u00e0 di Roma \u201cTor Vergata\u201d, via del Politecnico 1, I-00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]},{"raw_affiliation_string":"Dipartimento di Ingegneria dell'Impresa, Universit\u00ed di Roma Tor Vergata, via del Politecnico 1, I-00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5086486243"],"corresponding_institution_ids":["https://openalex.org/I116067653"],"apc_list":{"value":2760,"currency":"USD","value_usd":2760},"apc_paid":null,"fwci":0.3402,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.6583456,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":"3","first_page":"181","last_page":"194"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9282000064849854,"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":0.9282000064849854,"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":0.053599998354911804,"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/T12541","display_name":"Graph Labeling and Dimension Problems","score":0.015399999916553497,"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/graph-coloring","display_name":"graph coloring","score":0.5899999737739563},{"id":"https://openalex.org/keywords/vertex-coloring","display_name":"vertex coloring","score":0.5379999876022339},{"id":"https://openalex.org/keywords/edge-weighted-graphs","display_name":"edge-weighted graphs","score":0.7360000014305115},{"id":"https://openalex.org/keywords/np-hardness","display_name":"NP-hardness","score":0.6909999847412109},{"id":"https://openalex.org/keywords/polynomial-time-algorithms","display_name":"polynomial-time algorithms","score":0.8080000281333923},{"id":"https://openalex.org/keywords/trees","display_name":"trees","score":0.7559999823570251},{"id":"https://openalex.org/keywords/cactus-graphs","display_name":"cactus graphs","score":0.9750000238418579},{"id":"https://openalex.org/keywords/bounded-treewidth","display_name":"bounded treewidth","score":0.8069999814033508},{"id":"https://openalex.org/keywords/implicit-enumeration","display_name":"implicit enumeration","score":0.9549999833106995},{"id":"https://openalex.org/keywords/exact-algorithms","display_name":"exact algorithms","score":0.6209999918937683}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7594928741455078},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7011486291885376},{"id":"https://openalex.org/C2778307483","wikidata":"https://www.wikidata.org/wiki/Q5149038","display_name":"Colored","level":2,"score":0.61221843957901},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.6001139879226685},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.572877049446106},{"id":"https://openalex.org/C38767284","wikidata":"https://www.wikidata.org/wiki/Q5601715","display_name":"Greedy coloring","level":5,"score":0.5074180960655212},{"id":"https://openalex.org/C158319403","wikidata":"https://www.wikidata.org/wiki/Q5477527","display_name":"Fractional coloring","level":5,"score":0.48447155952453613},{"id":"https://openalex.org/C76946457","wikidata":"https://www.wikidata.org/wiki/Q504843","display_name":"Graph coloring","level":3,"score":0.46491438150405884},{"id":"https://openalex.org/C123809776","wikidata":"https://www.wikidata.org/wiki/Q1050972","display_name":"Edge coloring","level":5,"score":0.4620700478553772},{"id":"https://openalex.org/C21642379","wikidata":"https://www.wikidata.org/wiki/Q3342988","display_name":"Complete coloring","level":5,"score":0.45773887634277344},{"id":"https://openalex.org/C40687702","wikidata":"https://www.wikidata.org/wiki/Q11515519","display_name":"Vertex cover","level":3,"score":0.438179612159729},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4211035370826721},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.42021432518959045},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.41248440742492676},{"id":"https://openalex.org/C149530733","wikidata":"https://www.wikidata.org/wiki/Q5597091","display_name":"Graph power","level":4,"score":0.16623902320861816},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.10183852910995483},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1016/j.disopt.2006.05.009","doi":"https://doi.org/10.1016/j.disopt.2006.05.009","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.disopt.2006.05.009","pdf_url":"https://www.sciencedirect.com/science/article/pii/S1572528606000351/pdf","source":{"id":"https://openalex.org/S203549655","display_name":"Discrete Optimization","issn_l":"1572-5286","issn":["1572-5286","1873-636X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"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 Optimization","raw_type":"journal-article"},{"id":"pmh:oai:art.torvergata.it:2108/10828","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/2108/10828","pdf_url":null,"source":{"id":"https://openalex.org/S4306400993","display_name":"Cineca Institutional Research Information System (Tor Vergata University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I116067653","host_organization_name":"University of Rome Tor Vergata","host_organization_lineage":["https://openalex.org/I116067653"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:iris.polito.it:11583/1401688","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11583/1401688","pdf_url":null,"source":{"id":"https://openalex.org/S7407055329","display_name":"PORTO@Iris","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"info:eu-repo/semantics/article"},{"id":"pmh:oai:iris.uniroma3.it:11590/157418","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11590/157418","pdf_url":null,"source":{"id":"https://openalex.org/S4377196120","display_name":"Iris (Roma Tre University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I119003972","host_organization_name":"Roma Tre University","host_organization_lineage":["https://openalex.org/I119003972"],"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":"info:eu-repo/semantics/article"},{"id":"pmh:oai:porto.polito.it:1401688","doi":null,"is_oa":false,"landing_page_url":"http://porto.polito.it/1401688/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402038","display_name":"PORTO Publications Open Repository TOrino (Politecnico di Torino)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I177477856","host_organization_name":"Politecnico di Torino","host_organization_lineage":["https://openalex.org/I177477856"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN:1572-5286","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1016/j.disopt.2006.05.009","doi":"https://doi.org/10.1016/j.disopt.2006.05.009","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.disopt.2006.05.009","pdf_url":"https://www.sciencedirect.com/science/article/pii/S1572528606000351/pdf","source":{"id":"https://openalex.org/S203549655","display_name":"Discrete Optimization","issn_l":"1572-5286","issn":["1572-5286","1873-636X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"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 Optimization","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2139116018.pdf","grobid_xml":"https://content.openalex.org/works/W2139116018.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W108036714","https://openalex.org/W971498176","https://openalex.org/W1479863711","https://openalex.org/W1534710370","https://openalex.org/W1541044338","https://openalex.org/W1579049696","https://openalex.org/W1949708275","https://openalex.org/W1991755800","https://openalex.org/W2035331304","https://openalex.org/W2061130579","https://openalex.org/W2073609181","https://openalex.org/W2085363210","https://openalex.org/W2085550081","https://openalex.org/W2152986618","https://openalex.org/W3141776272"],"related_works":["https://openalex.org/W4311345810","https://openalex.org/W4291316360","https://openalex.org/W3169197204","https://openalex.org/W2585997002","https://openalex.org/W1542397451","https://openalex.org/W2385428710","https://openalex.org/W2793500002","https://openalex.org/W4297911588","https://openalex.org/W2380525562","https://openalex.org/W2046652778"],"abstract_inverted_index":null,"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}