{"id":"https://openalex.org/W1988359600","doi":"https://doi.org/10.1016/0031-3203(71)90040-9","title":"Poly: A two dimensional language for a class of polygons","display_name":"Poly: A two dimensional language for a class of polygons","publication_year":1971,"publication_date":"1971-07-01","ids":{"openalex":"https://openalex.org/W1988359600","doi":"https://doi.org/10.1016/0031-3203(71)90040-9","mag":"1988359600"},"language":"en","primary_location":{"id":"doi:10.1016/0031-3203(71)90040-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0031-3203(71)90040-9","pdf_url":null,"source":{"id":"https://openalex.org/S414566","display_name":"Pattern Recognition","issn_l":"0031-3203","issn":["0031-3203","1873-5142"],"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":"Pattern Recognition","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/A5025991345","display_name":"Michael F. Dacey","orcid":null},"institutions":[{"id":"https://openalex.org/I111979921","display_name":"Northwestern University","ror":"https://ror.org/000e0be47","country_code":"US","type":"education","lineage":["https://openalex.org/I111979921"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Michael F. Dacey","raw_affiliation_strings":["Department of Geography, Northwestern University, Evanston, Illinois, U.S.A"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Northwestern University, Evanston, Illinois, U.S.A","institution_ids":["https://openalex.org/I111979921"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5025991345"],"corresponding_institution_ids":["https://openalex.org/I111979921"],"apc_list":{"value":2710,"currency":"USD","value_usd":2710},"apc_paid":null,"fwci":7.0948,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.97323601,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":"2","first_page":"197","last_page":"208"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14320","display_name":"Optics and Image Analysis","score":0.822700023651123,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T14320","display_name":"Optics and Image Analysis","score":0.822700023651123,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13518","display_name":"Architecture and Computational Design","score":0.8112000226974487,"subfield":{"id":"https://openalex.org/subfields/2216","display_name":"Architecture"},"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/T12698","display_name":"3D Modeling in Geospatial Applications","score":0.7651000022888184,"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/class","display_name":"Class (philosophy)","score":0.6489688158035278},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6100719571113586},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.5816208124160767},{"id":"https://openalex.org/keywords/picture-language","display_name":"Picture language","score":0.5402929186820984},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5226333141326904},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4612528085708618},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3440890908241272},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3346725106239319},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32993823289871216},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2397327721118927},{"id":"https://openalex.org/keywords/natural-language","display_name":"Natural language","score":0.1529882848262787},{"id":"https://openalex.org/keywords/universal-networking-language","display_name":"Universal Networking Language","score":0.13067203760147095}],"concepts":[{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6489688158035278},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6100719571113586},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.5816208124160767},{"id":"https://openalex.org/C24570573","wikidata":"https://www.wikidata.org/wiki/Q7191197","display_name":"Picture language","level":5,"score":0.5402929186820984},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5226333141326904},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4612528085708618},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3440890908241272},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3346725106239319},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32993823289871216},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2397327721118927},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.1529882848262787},{"id":"https://openalex.org/C83479923","wikidata":"https://www.wikidata.org/wiki/Q2063748","display_name":"Universal Networking Language","level":4,"score":0.13067203760147095},{"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/C129353971","wikidata":"https://www.wikidata.org/wiki/Q5156949","display_name":"Comprehension approach","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0031-3203(71)90040-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0031-3203(71)90040-9","pdf_url":null,"source":{"id":"https://openalex.org/S414566","display_name":"Pattern Recognition","issn_l":"0031-3203","issn":["0031-3203","1873-5142"],"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":"Pattern Recognition","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.44999998807907104,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4380153838","https://openalex.org/W2383204375","https://openalex.org/W2107908243","https://openalex.org/W2000428152","https://openalex.org/W2969514143","https://openalex.org/W2361458328","https://openalex.org/W2370332886","https://openalex.org/W2388408040","https://openalex.org/W2044342516","https://openalex.org/W3082131132"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
