{"id":"https://openalex.org/W1973540452","doi":"https://doi.org/10.1016/0022-0000(90)90017-f","title":"Covering orthogonal polygons with star polygons: The perfect graph approach","display_name":"Covering orthogonal polygons with star polygons: The perfect graph approach","publication_year":1990,"publication_date":"1990-02-01","ids":{"openalex":"https://openalex.org/W1973540452","doi":"https://doi.org/10.1016/0022-0000(90)90017-f","mag":"1973540452"},"language":"en","primary_location":{"id":"doi:10.1016/0022-0000(90)90017-f","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(90)90017-f","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","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/A5112649653","display_name":"Rajeev Motwani","orcid":null},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Rajeev Motwani","raw_affiliation_strings":["Computer Science Department, Stanford University, Stanford, California 94305, USA","Computer Science Department Stanford University Stanford, California 94305 USA"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, Stanford University, Stanford, California 94305, USA","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Computer Science Department Stanford University Stanford, California 94305 USA","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038062267","display_name":"Arvind U. Raghunathan","orcid":"https://orcid.org/0000-0003-3173-3875"},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arvind Raghunathan","raw_affiliation_strings":["Computer Science Division, University of California, 573 Evans Hall, Berkeley, California 94720, USA"],"affiliations":[{"raw_affiliation_string":"Computer Science Division, University of California, 573 Evans Hall, Berkeley, California 94720, USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060599858","display_name":"Huzur Saran","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Huzur Saran","raw_affiliation_strings":["Computer Science Division, University of California, 573 Evans Hall, Berkeley, California 94720, USA"],"affiliations":[{"raw_affiliation_string":"Computer Science Division, University of California, 573 Evans Hall, Berkeley, California 94720, USA","institution_ids":["https://openalex.org/I95457486"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5112649653"],"corresponding_institution_ids":["https://openalex.org/I97018004"],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":1.7937,"has_fulltext":false,"cited_by_count":64,"citation_normalized_percentile":{"value":0.82014388,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"40","issue":"1","first_page":"19","last_page":"48"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9908000230789185,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9882000088691711,"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/combinatorics","display_name":"Combinatorics","score":0.762127697467804},{"id":"https://openalex.org/keywords/polygon-covering","display_name":"Polygon covering","score":0.7027649879455566},{"id":"https://openalex.org/keywords/visibility-polygon","display_name":"Visibility polygon","score":0.6692765951156616},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.6569493412971497},{"id":"https://openalex.org/keywords/rectilinear-polygon","display_name":"Rectilinear polygon","score":0.6459648609161377},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6393148303031921},{"id":"https://openalex.org/keywords/star-shaped-polygon","display_name":"Star-shaped polygon","score":0.5861742496490479},{"id":"https://openalex.org/keywords/point-in-polygon","display_name":"Point in polygon","score":0.5651757121086121},{"id":"https://openalex.org/keywords/simple-polygon","display_name":"Simple polygon","score":0.5567989945411682},{"id":"https://openalex.org/keywords/visibility-graph","display_name":"Visibility graph","score":0.4821993410587311},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.47803792357444763},{"id":"https://openalex.org/keywords/star","display_name":"Star (game theory)","score":0.45660829544067383},{"id":"https://openalex.org/keywords/planar-graph","display_name":"Planar graph","score":0.4117697477340698},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.36128467321395874},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.3555777668952942},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.34815436601638794},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.23055905103683472},{"id":"https://openalex.org/keywords/convex-set","display_name":"Convex set","score":0.1473572552204132},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.12403732538223267},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.09472674131393433}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.762127697467804},{"id":"https://openalex.org/C187778580","wikidata":"https://www.wikidata.org/wiki/Q18389289","display_name":"Polygon covering","level":3,"score":0.7027649879455566},{"id":"https://openalex.org/C1449246","wikidata":"https://www.wikidata.org/wiki/Q7936080","display_name":"Visibility polygon","level":4,"score":0.6692765951156616},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.6569493412971497},{"id":"https://openalex.org/C170542616","wikidata":"https://www.wikidata.org/wiki/Q7303186","display_name":"Rectilinear polygon","level":4,"score":0.6459648609161377},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6393148303031921},{"id":"https://openalex.org/C96366933","wikidata":"https://www.wikidata.org/wiki/Q2122886","display_name":"Star-shaped polygon","level":5,"score":0.5861742496490479},{"id":"https://openalex.org/C59902600","wikidata":"https://www.wikidata.org/wiki/Q1575331","display_name":"Point in polygon","level":3,"score":0.5651757121086121},{"id":"https://openalex.org/C197949415","wikidata":"https://www.wikidata.org/wiki/Q782746","display_name":"Simple polygon","level":3,"score":0.5567989945411682},{"id":"https://openalex.org/C173362246","wikidata":"https://www.wikidata.org/wiki/Q8216024","display_name":"Visibility graph","level":3,"score":0.4821993410587311},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.47803792357444763},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.45660829544067383},{"id":"https://openalex.org/C101837359","wikidata":"https://www.wikidata.org/wiki/Q547823","display_name":"Planar graph","level":3,"score":0.4117697477340698},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.36128467321395874},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.3555777668952942},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.34815436601638794},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.23055905103683472},{"id":"https://openalex.org/C49870271","wikidata":"https://www.wikidata.org/wiki/Q193657","display_name":"Convex set","level":4,"score":0.1473572552204132},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.12403732538223267},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.09472674131393433},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/0022-0000(90)90017-f","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(90)90017-f","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","raw_type":"journal-article"},{"id":"pmh:oai:berkeley.edu:13030-hb8p3011dp","is_oa":false,"landing_page_url":"http://techreports.lib.berkeley.edu/accessPages/CSD-87-384.html","pdf_url":null,"source":{"id":"https://openalex.org/S7407050879","display_name":"UC Berkeley","issn_l":null,"issn":[],"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":"technical reports"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W188711341","https://openalex.org/W1484633196","https://openalex.org/W1531368347","https://openalex.org/W1586803947","https://openalex.org/W1593813491","https://openalex.org/W1595528547","https://openalex.org/W1971442572","https://openalex.org/W1973310391","https://openalex.org/W1978186063","https://openalex.org/W1981845048","https://openalex.org/W1981988453","https://openalex.org/W1982182450","https://openalex.org/W2004758786","https://openalex.org/W2010552087","https://openalex.org/W2022266599","https://openalex.org/W2041437464","https://openalex.org/W2044157824","https://openalex.org/W2055487687","https://openalex.org/W2066239131","https://openalex.org/W2082068582","https://openalex.org/W2086119402","https://openalex.org/W2094658339","https://openalex.org/W2097577161","https://openalex.org/W2143474538","https://openalex.org/W2169296928","https://openalex.org/W4299866835","https://openalex.org/W4300559773","https://openalex.org/W4300640952","https://openalex.org/W6607775491","https://openalex.org/W6635266419","https://openalex.org/W6635309630","https://openalex.org/W6645778313","https://openalex.org/W6651495767","https://openalex.org/W6661501429","https://openalex.org/W6667120741","https://openalex.org/W6674458721"],"related_works":["https://openalex.org/W2608536130","https://openalex.org/W2362048241","https://openalex.org/W3002409087","https://openalex.org/W2026465854","https://openalex.org/W3082218119","https://openalex.org/W1988449797","https://openalex.org/W2408566079","https://openalex.org/W2372903818","https://openalex.org/W3016304894","https://openalex.org/W6840519"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
