{"id":"https://openalex.org/W2631228883","doi":"https://doi.org/10.1007/978-3-319-73915-1_6","title":"Obstacle Numbers of Planar Graphs","display_name":"Obstacle Numbers of Planar Graphs","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2631228883","doi":"https://doi.org/10.1007/978-3-319-73915-1_6","mag":"2631228883"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-319-73915-1_6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-73915-1_6","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":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1706.06992","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050870311","display_name":"John Gimbel","orcid":"https://orcid.org/0000-0002-0404-5172"},"institutions":[{"id":"https://openalex.org/I141472210","display_name":"University of Alaska Fairbanks","ror":"https://ror.org/01j7nq853","country_code":"US","type":"education","lineage":["https://openalex.org/I141472210"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John Gimbel","raw_affiliation_strings":["Department of Mathematics and Statistics, University of Alaska Fairbanks, Fairbanks, USA","University of Alaska/Fairbanks"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, University of Alaska Fairbanks, Fairbanks, USA","institution_ids":["https://openalex.org/I141472210"]},{"raw_affiliation_string":"University of Alaska/Fairbanks","institution_ids":["https://openalex.org/I141472210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004397700","display_name":"Patrice Ossona de Mendez","orcid":"https://orcid.org/0000-0003-0724-3729"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I21250087","display_name":"Charles University","ror":"https://ror.org/024d6js02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21250087"]},{"id":"https://openalex.org/I4210100624","display_name":"Centre d'Analyse et de Math\u00e9matique Sociales","ror":"https://ror.org/00vb8fc53","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I4210100624","https://openalex.org/I4210150854","https://openalex.org/I90669466"]}],"countries":["CZ","FR"],"is_corresponding":false,"raw_author_name":"Patrice Ossona de Mendez","raw_affiliation_strings":["Centre d\u2019Analyse et de Math\u00e9matiques Sociales (CNRS, UMR 8557), Paris, France","Computer Science Institute of Charles University (IUUK), Prague, Czech Republic","Centre d'Analyse et de Math\u00e9matique sociales"],"raw_orcid":"https://orcid.org/0000-0003-0724-3729","affiliations":[{"raw_affiliation_string":"Centre d\u2019Analyse et de Math\u00e9matiques Sociales (CNRS, UMR 8557), Paris, France","institution_ids":["https://openalex.org/I4210100624","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"Computer Science Institute of Charles University (IUUK), Prague, Czech Republic","institution_ids":["https://openalex.org/I21250087"]},{"raw_affiliation_string":"Centre d'Analyse et de Math\u00e9matique sociales","institution_ids":["https://openalex.org/I4210100624"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072926305","display_name":"P\u00e1vel Valtr","orcid":"https://orcid.org/0000-0002-3102-4166"},"institutions":[{"id":"https://openalex.org/I21250087","display_name":"Charles University","ror":"https://ror.org/024d6js02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21250087"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Pavel Valtr","raw_affiliation_strings":["Department of Mathematics of Charles University (KAM) and CE-ITI, Prague, Czech Republic","Charles University [Prague]"],"raw_orcid":"https://orcid.org/0000-0002-3102-4166","affiliations":[{"raw_affiliation_string":"Department of Mathematics of Charles University (KAM) and CE-ITI, Prague, Czech Republic","institution_ids":["https://openalex.org/I21250087"]},{"raw_affiliation_string":"Charles University [Prague]","institution_ids":["https://openalex.org/I21250087"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03153153,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"67","last_page":"80"},"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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.993399977684021,"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"}},{"id":"https://openalex.org/T12546","display_name":"Smart Parking Systems Research","score":0.9739000201225281,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.8156840801239014},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.6631358861923218},{"id":"https://openalex.org/keywords/planar-graph","display_name":"Planar graph","score":0.47304171323776245},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4572219252586365},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.424649178981781},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3480643033981323},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2458178699016571},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.20490828156471252},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.17623353004455566},{"id":"https://openalex.org/keywords/archaeology","display_name":"Archaeology","score":0.04374063014984131}],"concepts":[{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.8156840801239014},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.6631358861923218},{"id":"https://openalex.org/C101837359","wikidata":"https://www.wikidata.org/wiki/Q547823","display_name":"Planar graph","level":3,"score":0.47304171323776245},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4572219252586365},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.424649178981781},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3480643033981323},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2458178699016571},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.20490828156471252},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.17623353004455566},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.04374063014984131}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1007/978-3-319-73915-1_6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-73915-1_6","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:arXiv.org:1706.06992","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1706.06992","pdf_url":"https://arxiv.org/pdf/1706.06992","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:HAL:hal-01953795v1","is_oa":false,"landing_page_url":"https://hal.science/hal-01953795","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":"Graph Drawing and Network Visualization, pp.67-80, 2018","raw_type":"Book sections"},{"id":"pmh:oai:gdea.informatik.uni-koeln.de:1597","is_oa":false,"landing_page_url":"http://gdea.informatik.uni-koeln.de/1597/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400857","display_name":"Graph Drawing E-print Archive (Die Universit\u00e4t zu K\u00f6ln)","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"},{"id":"doi:10.48550/arxiv.1706.06992","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1706.06992","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1706.06992","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1706.06992","pdf_url":"https://arxiv.org/pdf/1706.06992","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W35252975","https://openalex.org/W594463866","https://openalex.org/W1576090366","https://openalex.org/W1585105437","https://openalex.org/W1973059108","https://openalex.org/W1989142182","https://openalex.org/W2003525146","https://openalex.org/W2006753964","https://openalex.org/W2047417978","https://openalex.org/W2066423045","https://openalex.org/W2083985683","https://openalex.org/W2139230981","https://openalex.org/W2163841363","https://openalex.org/W2292959510","https://openalex.org/W2401886532","https://openalex.org/W2443510804","https://openalex.org/W2464317066","https://openalex.org/W2502636724","https://openalex.org/W2749402853","https://openalex.org/W2962970650","https://openalex.org/W2962971717","https://openalex.org/W2963878458","https://openalex.org/W4236475687","https://openalex.org/W4240095914","https://openalex.org/W4300527817","https://openalex.org/W4319589071"],"related_works":["https://openalex.org/W2794103424","https://openalex.org/W4245435724","https://openalex.org/W1996530509","https://openalex.org/W3028317537","https://openalex.org/W2389515972","https://openalex.org/W2055301889","https://openalex.org/W1505959757","https://openalex.org/W3216105633","https://openalex.org/W1701875187","https://openalex.org/W2990956612"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
