{"id":"https://openalex.org/W1546414949","doi":"https://doi.org/10.1007/3-540-58218-5_11","title":"Finding all weakly-visible chords of a polygon in linear time","display_name":"Finding all weakly-visible chords of a polygon in linear time","publication_year":1994,"publication_date":"1994-01-01","ids":{"openalex":"https://openalex.org/W1546414949","doi":"https://doi.org/10.1007/3-540-58218-5_11","mag":"1546414949"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-58218-5_11","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-58218-5_11","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":"conference-paper","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/A5002203026","display_name":"Gautam Das","orcid":"https://orcid.org/0000-0002-4627-9065"},"institutions":[{"id":"https://openalex.org/I94658018","display_name":"University of Memphis","ror":"https://ror.org/01cq23130","country_code":"US","type":"education","lineage":["https://openalex.org/I94658018"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gautam Das","raw_affiliation_strings":["Memphis State University, 38152, Memphis, TN","Mathematical Sciences Department, The University of Memphis, Memphis, TN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Memphis State University, 38152, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]},{"raw_affiliation_string":"Mathematical Sciences Department, The University of Memphis, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037274151","display_name":"Paul J. Heffernan","orcid":null},"institutions":[{"id":"https://openalex.org/I94658018","display_name":"University of Memphis","ror":"https://ror.org/01cq23130","country_code":"US","type":"education","lineage":["https://openalex.org/I94658018"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paul J. Heffernan","raw_affiliation_strings":["Memphis State University, 38152, Memphis, TN","Mathematical Sciences Department, The University of Memphis, Memphis, TN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Memphis State University, 38152, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]},{"raw_affiliation_string":"Mathematical Sciences Department, The University of Memphis, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068890173","display_name":"Giri Narasimhan","orcid":"https://orcid.org/0000-0003-0535-4871"},"institutions":[{"id":"https://openalex.org/I94658018","display_name":"University of Memphis","ror":"https://ror.org/01cq23130","country_code":"US","type":"education","lineage":["https://openalex.org/I94658018"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Giri Narasimhan","raw_affiliation_strings":["Memphis State University, 38152, Memphis, TN","Mathematical Sciences Department, The University of Memphis, Memphis, TN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Memphis State University, 38152, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]},{"raw_affiliation_string":"Mathematical Sciences Department, The University of Memphis, Memphis, TN","institution_ids":["https://openalex.org/I94658018"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I94658018"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"119","last_page":"130"},"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":0.9905999898910522,"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/T12288","display_name":"Optimization and Search Problems","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/chord","display_name":"Chord (peer-to-peer)","score":0.8558629751205444},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.6854134202003479},{"id":"https://openalex.org/keywords/simple-polygon","display_name":"Simple polygon","score":0.6190053820610046},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5727179050445557},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5063270330429077},{"id":"https://openalex.org/keywords/monotone-polygon","display_name":"Monotone polygon","score":0.4417635500431061},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4041064381599426},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.36672329902648926},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.1364327073097229},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.04493647813796997}],"concepts":[{"id":"https://openalex.org/C194147245","wikidata":"https://www.wikidata.org/wiki/Q1076368","display_name":"Chord (peer-to-peer)","level":2,"score":0.8558629751205444},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.6854134202003479},{"id":"https://openalex.org/C197949415","wikidata":"https://www.wikidata.org/wiki/Q782746","display_name":"Simple polygon","level":3,"score":0.6190053820610046},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5727179050445557},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5063270330429077},{"id":"https://openalex.org/C2834757","wikidata":"https://www.wikidata.org/wiki/Q4925424","display_name":"Monotone polygon","level":2,"score":0.4417635500431061},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4041064381599426},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36672329902648926},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1364327073097229},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.04493647813796997},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-58218-5_11","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-58218-5_11","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1479981651","https://openalex.org/W1590632176","https://openalex.org/W1825136300","https://openalex.org/W2003711098","https://openalex.org/W2005314985","https://openalex.org/W2085681674","https://openalex.org/W2091424051","https://openalex.org/W2106413026","https://openalex.org/W2129112228","https://openalex.org/W2132339863","https://openalex.org/W2164507028"],"related_works":["https://openalex.org/W2608536130","https://openalex.org/W2102467404","https://openalex.org/W2131362235","https://openalex.org/W2358728421","https://openalex.org/W215471984","https://openalex.org/W2987051945","https://openalex.org/W2123788968","https://openalex.org/W53644101","https://openalex.org/W2154329468","https://openalex.org/W2466150543"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":2}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}