{"id":"https://openalex.org/W1509235231","doi":"https://doi.org/10.1007/3-540-45678-3_55","title":"Labeling Subway Lines","display_name":"Labeling Subway Lines","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W1509235231","doi":"https://doi.org/10.1007/3-540-45678-3_55","mag":"1509235231"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-45678-3_55","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-45678-3_55","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5111431834","display_name":"Mari \u00c1ngeles Garrido","orcid":null},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Mari \u00c1ngeles Garrido","raw_affiliation_strings":["Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain"],"affiliations":[{"raw_affiliation_string":"Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081367067","display_name":"Claudia Iturriaga","orcid":null},"institutions":[{"id":"https://openalex.org/I106938459","display_name":"University of New Brunswick","ror":"https://ror.org/05nkf0n29","country_code":"CA","type":"education","lineage":["https://openalex.org/I106938459"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Claudia Iturriaga","raw_affiliation_strings":["Faculty of Computer Science, University of New Brunswick, Canada"],"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, University of New Brunswick, Canada","institution_ids":["https://openalex.org/I106938459"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019566285","display_name":"Alberto M\u00e1rquez","orcid":"https://orcid.org/0000-0002-1589-1729"},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alberto M\u00e1rquez","raw_affiliation_strings":["Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain"],"affiliations":[{"raw_affiliation_string":"Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087557720","display_name":"Jos\u00e9 R. Portillo","orcid":"https://orcid.org/0000-0002-0940-068X"},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jos\u00e9 Ram\u00f3n Portillo","raw_affiliation_strings":["Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain"],"affiliations":[{"raw_affiliation_string":"Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078320100","display_name":"Pedro Reyes","orcid":"https://orcid.org/0000-0002-6339-9990"},"institutions":[{"id":"https://openalex.org/I79238269","display_name":"Universidad de Sevilla","ror":"https://ror.org/03yxnpp24","country_code":"ES","type":"education","lineage":["https://openalex.org/I79238269"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pedro Reyes","raw_affiliation_strings":["Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain"],"affiliations":[{"raw_affiliation_string":"Dept. de Matem\u00e1tica Aplicada I, Universidad de Sevilla, Spain","institution_ids":["https://openalex.org/I79238269"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014138072","display_name":"Alexander Wolff","orcid":"https://orcid.org/0000-0001-5872-718X"},"institutions":[{"id":"https://openalex.org/I36522303","display_name":"Universit\u00e4t Greifswald","ror":"https://ror.org/00r1edq15","country_code":"DE","type":"education","lineage":["https://openalex.org/I36522303"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alexander Wolff","raw_affiliation_strings":["Institut f\u00fcr Mathematikund Informatik, Universit\u00e4t Greifswald, Germany"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Mathematikund Informatik, Universit\u00e4t Greifswald, Germany","institution_ids":["https://openalex.org/I36522303"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5111431834"],"corresponding_institution_ids":["https://openalex.org/I79238269"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.988,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.6992665,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"649","last_page":"659"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998999834060669,"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/T11106","display_name":"Data Management and Algorithms","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12923","display_name":"Digital Image Processing Techniques","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/computer-science","display_name":"Computer science","score":0.6891679167747498},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.6104085445404053},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6026858687400818},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.5811898112297058},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5522642731666565},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5519989728927612},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5506894588470459},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.543919563293457},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5358465909957886},{"id":"https://openalex.org/keywords/line-segment","display_name":"Line segment","score":0.5219694375991821},{"id":"https://openalex.org/keywords/edge-graceful-labeling","display_name":"Edge-graceful labeling","score":0.4848155081272125},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4501979351043701},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.43383294343948364},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3667421340942383},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3351041078567505},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3053051829338074},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2817978262901306},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.2049766480922699},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.16134768724441528},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07694265246391296}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6891679167747498},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.6104085445404053},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6026858687400818},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.5811898112297058},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5522642731666565},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5519989728927612},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5506894588470459},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.543919563293457},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5358465909957886},{"id":"https://openalex.org/C182124507","wikidata":"https://www.wikidata.org/wiki/Q166154","display_name":"Line segment","level":2,"score":0.5219694375991821},{"id":"https://openalex.org/C150433608","wikidata":"https://www.wikidata.org/wiki/Q5337633","display_name":"Edge-graceful labeling","level":5,"score":0.4848155081272125},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4501979351043701},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43383294343948364},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3667421340942383},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3351041078567505},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3053051829338074},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2817978262901306},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.2049766480922699},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.16134768724441528},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07694265246391296},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C149530733","wikidata":"https://www.wikidata.org/wiki/Q5597091","display_name":"Graph power","level":4,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1007/3-540-45678-3_55","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-45678-3_55","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:pure.tue.nl:publications/32f6eded-bb3f-4ed4-ba23-55594a94362e","is_oa":false,"landing_page_url":"https://research.tue.nl/en/publications/32f6eded-bb3f-4ed4-ba23-55594a94362e","pdf_url":null,"source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Garrido, M A, Iturriaga, C, M\u00e1rquez, A, Portillo, J R, Reyes, P & Wolff, A 2001, Labelling subway lines. in P Eades & T Takaoka (eds), Algorithms and computation : roceedings 12th international symposium, ISAAC 2001, Christchurch, New Zealand, december 19-21, 2001. Lecture Notes in Computer Science, vol. 2223, Springer, Berlin, pp. 649-659. https://doi.org/10.1007/3-540-45678-3_55","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.21.4213","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.21.4213","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.math-inf.uni-greifswald.de/map-labeling/papers/gimprw-lsl-01.ps.gz","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.70.4910","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.70.4910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://i11www.ira.uka.de/~awolff/pub/gimprw-lsl-01.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.99.2974","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.99.2974","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.personal.us.es/preyes/Invest/newzealand.pdf","raw_type":"text"},{"id":"pmh:tue:oai:pure.tue.nl:publications/32f6eded-bb3f-4ed4-ba23-55594a94362e","is_oa":false,"landing_page_url":"https://research.tue.nl/nl/publications/32f6eded-bb3f-4ed4-ba23-55594a94362e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Algorithms and computation : roceedings 12th international symposium, ISAAC 2001, Christchurch, New Zealand, december 19-21, 2001, 649 - 659","raw_type":"info:eu-repo/semantics/conferencepaper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6800000071525574,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1492069605","https://openalex.org/W1526523551","https://openalex.org/W1568421548","https://openalex.org/W1978951992","https://openalex.org/W1980797658","https://openalex.org/W1981556893","https://openalex.org/W2011039300","https://openalex.org/W2029731475","https://openalex.org/W2091776054","https://openalex.org/W2100782591","https://openalex.org/W2104936608","https://openalex.org/W2141138580","https://openalex.org/W2148885139","https://openalex.org/W2159108642","https://openalex.org/W2159205115","https://openalex.org/W2169753586","https://openalex.org/W2476096155"],"related_works":["https://openalex.org/W2426520879","https://openalex.org/W2799964847","https://openalex.org/W3205000782","https://openalex.org/W4206233244","https://openalex.org/W2114516238","https://openalex.org/W1990710940","https://openalex.org/W2195439242","https://openalex.org/W2314391888","https://openalex.org/W2990899707","https://openalex.org/W2196883910"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}