{"id":"https://openalex.org/W2079594818","doi":"https://doi.org/10.1016/0020-0190(91)90189-o","title":"The intersection searching problem for c-oriented polygons","display_name":"The intersection searching problem for c-oriented polygons","publication_year":1991,"publication_date":"1991-02-01","ids":{"openalex":"https://openalex.org/W2079594818","doi":"https://doi.org/10.1016/0020-0190(91)90189-o","mag":"2079594818"},"language":"en","primary_location":{"id":"doi:10.1016/0020-0190(91)90189-o","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(91)90189-o","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":"Information Processing Letters","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/A5023193789","display_name":"Xuehou Tan","orcid":"https://orcid.org/0000-0002-9828-9927"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Xue-Hou Tan","raw_affiliation_strings":["Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112718564","display_name":"Tomio Hirata","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomio Hirata","raw_affiliation_strings":["Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103350478","display_name":"Yasuyoshi Inagaki","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasuyoshi Inagaki","raw_affiliation_strings":["Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Faculty of Engineering, Nagoya University, Chikusa-ku, Nagoya, 464, Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":null,"fwci":1.0034,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.74726201,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"37","issue":"4","first_page":"201","last_page":"204"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9976000189781189,"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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9958999752998352,"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/simple-polygon","display_name":"Simple polygon","score":0.740419864654541},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.584002673625946},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.582473874092102},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.5760107636451721},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.560027539730072},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.5587700009346008},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.5284523963928223},{"id":"https://openalex.org/keywords/point-in-polygon","display_name":"Point in polygon","score":0.5194417834281921},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.48298799991607666},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4749308228492737},{"id":"https://openalex.org/keywords/shortest-path-problem","display_name":"Shortest path problem","score":0.4727557301521301},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.46190956234931946},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.45054495334625244},{"id":"https://openalex.org/keywords/euclidean-shortest-path","display_name":"Euclidean shortest path","score":0.41590186953544617},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3701983094215393},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36959344148635864},{"id":"https://openalex.org/keywords/k-shortest-path-routing","display_name":"K shortest path routing","score":0.20830079913139343},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.12882298231124878}],"concepts":[{"id":"https://openalex.org/C197949415","wikidata":"https://www.wikidata.org/wiki/Q782746","display_name":"Simple polygon","level":3,"score":0.740419864654541},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.584002673625946},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.582473874092102},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.5760107636451721},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.560027539730072},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.5587700009346008},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.5284523963928223},{"id":"https://openalex.org/C59902600","wikidata":"https://www.wikidata.org/wiki/Q1575331","display_name":"Point in polygon","level":3,"score":0.5194417834281921},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.48298799991607666},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4749308228492737},{"id":"https://openalex.org/C22590252","wikidata":"https://www.wikidata.org/wiki/Q1058754","display_name":"Shortest path problem","level":3,"score":0.4727557301521301},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.46190956234931946},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.45054495334625244},{"id":"https://openalex.org/C170836113","wikidata":"https://www.wikidata.org/wiki/Q5406126","display_name":"Euclidean shortest path","level":5,"score":0.41590186953544617},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3701983094215393},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36959344148635864},{"id":"https://openalex.org/C70266271","wikidata":"https://www.wikidata.org/wiki/Q6343044","display_name":"K shortest path routing","level":4,"score":0.20830079913139343},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.12882298231124878},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0020-0190(91)90189-o","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(91)90189-o","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":"Information Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1560699735","https://openalex.org/W1594991445","https://openalex.org/W1965079671","https://openalex.org/W1966582767","https://openalex.org/W1971252796","https://openalex.org/W1979109797","https://openalex.org/W2017321526","https://openalex.org/W2045421165","https://openalex.org/W2060246981","https://openalex.org/W2064098750","https://openalex.org/W2066739580","https://openalex.org/W2080587325","https://openalex.org/W2092286433","https://openalex.org/W2136963423","https://openalex.org/W3192672649","https://openalex.org/W6633745983","https://openalex.org/W6644866396"],"related_works":["https://openalex.org/W3046969634","https://openalex.org/W4315798097","https://openalex.org/W4308609420","https://openalex.org/W2951545900","https://openalex.org/W2132031696","https://openalex.org/W1991526295","https://openalex.org/W1564936167","https://openalex.org/W179323378","https://openalex.org/W38524751","https://openalex.org/W4244080821"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}