{"id":"https://openalex.org/W2038103262","doi":"https://doi.org/10.1016/s0304-3975(00)00227-9","title":"On point covers of c-oriented polygons","display_name":"On point covers of c-oriented polygons","publication_year":2001,"publication_date":"2001-07-01","ids":{"openalex":"https://openalex.org/W2038103262","doi":"https://doi.org/10.1016/s0304-3975(00)00227-9","mag":"2038103262"},"language":"en","primary_location":{"id":"doi:10.1016/s0304-3975(00)00227-9","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00227-9","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500002279/pdf","source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.sciencedirect.com/science/article/pii/S0304397500002279/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061293973","display_name":"Frank Nielsen","orcid":"https://orcid.org/0000-0001-5728-0726"},"institutions":[{"id":"https://openalex.org/I4210122684","display_name":"Sony Computer Science Laboratories","ror":"https://ror.org/02nc46417","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210122684"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Frank Nielsen","raw_affiliation_strings":["Sony Computer Science Laboratories, Takanawa Muse Building, 3-14-13 Higashi Gotanda, Tokyo 141-0022, Japan","Sony Computer Science Laboratories, Tokyo, Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sony Computer Science Laboratories, Takanawa Muse Building, 3-14-13 Higashi Gotanda, Tokyo 141-0022, Japan","institution_ids":["https://openalex.org/I4210122684"]},{"raw_affiliation_string":"Sony Computer Science Laboratories, Tokyo, Japan#TAB#","institution_ids":["https://openalex.org/I4210122684"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061293973"],"corresponding_institution_ids":["https://openalex.org/I4210122684"],"apc_list":{"value":2600,"currency":"USD","value_usd":2600},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.16344006,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"263","issue":"1-2","first_page":"17","last_page":"29"},"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/T12176","display_name":"Optimization and Packing Problems","score":0.9987999796867371,"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":0.9897000193595886,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.8670480847358704},{"id":"https://openalex.org/keywords/disjoint-sets","display_name":"Disjoint sets","score":0.7155299782752991},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6906613707542419},{"id":"https://openalex.org/keywords/transversal","display_name":"Transversal (combinatorics)","score":0.6285064816474915},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.5984437465667725},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.5717259645462036},{"id":"https://openalex.org/keywords/polytope","display_name":"Polytope","score":0.5359808802604675},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.4642309546470642},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4602007567882538},{"id":"https://openalex.org/keywords/pairwise-comparison","display_name":"Pairwise comparison","score":0.4316307604312897},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.42537420988082886},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4186950623989105},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.33973392844200134},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.12826216220855713}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8670480847358704},{"id":"https://openalex.org/C45340560","wikidata":"https://www.wikidata.org/wiki/Q215382","display_name":"Disjoint sets","level":2,"score":0.7155299782752991},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6906613707542419},{"id":"https://openalex.org/C2780130068","wikidata":"https://www.wikidata.org/wiki/Q2208651","display_name":"Transversal (combinatorics)","level":2,"score":0.6285064816474915},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.5984437465667725},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.5717259645462036},{"id":"https://openalex.org/C145691206","wikidata":"https://www.wikidata.org/wiki/Q747980","display_name":"Polytope","level":2,"score":0.5359808802604675},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.4642309546470642},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4602007567882538},{"id":"https://openalex.org/C184898388","wikidata":"https://www.wikidata.org/wiki/Q1435712","display_name":"Pairwise comparison","level":2,"score":0.4316307604312897},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.42537420988082886},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4186950623989105},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.33973392844200134},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.12826216220855713},{"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/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0304-3975(00)00227-9","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00227-9","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500002279/pdf","source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/s0304-3975(00)00227-9","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00227-9","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500002279/pdf","source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2038103262.pdf","grobid_xml":"https://content.openalex.org/works/W2038103262.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1481286537","https://openalex.org/W1563441842","https://openalex.org/W1596619114","https://openalex.org/W1670028754","https://openalex.org/W1969665089","https://openalex.org/W1975233475","https://openalex.org/W1980328919","https://openalex.org/W1983765456","https://openalex.org/W1988207841","https://openalex.org/W1991006936","https://openalex.org/W2000869424","https://openalex.org/W2004008828","https://openalex.org/W2005314985","https://openalex.org/W2013451793","https://openalex.org/W2022184352","https://openalex.org/W2022671649","https://openalex.org/W2027048490","https://openalex.org/W2028742519","https://openalex.org/W2050290562","https://openalex.org/W2088188524","https://openalex.org/W2094759040","https://openalex.org/W2097931890","https://openalex.org/W2100961486","https://openalex.org/W2110282707","https://openalex.org/W2136863760","https://openalex.org/W2147699663","https://openalex.org/W2157054705","https://openalex.org/W2612180220","https://openalex.org/W4385265191"],"related_works":["https://openalex.org/W2271112932","https://openalex.org/W2772332644","https://openalex.org/W4251387394","https://openalex.org/W1969626693","https://openalex.org/W2897654805","https://openalex.org/W2222693213","https://openalex.org/W2167396658","https://openalex.org/W2952258011","https://openalex.org/W2020053772","https://openalex.org/W2035433397"],"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":2012,"cited_by_count":1}],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2025-10-10T00:00:00"}