{"id":"https://openalex.org/W2939800214","doi":"https://doi.org/10.1007/978-3-030-11932-4_12","title":"Circle\u2019s Ontology Extended: Circumference and Surface Area of a Circle","display_name":"Circle\u2019s Ontology Extended: Circumference and Surface Area of a Circle","publication_year":2019,"publication_date":"2019-03-15","ids":{"openalex":"https://openalex.org/W2939800214","doi":"https://doi.org/10.1007/978-3-030-11932-4_12","mag":"2939800214"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-030-11932-4_12","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-030-11932-4_12","pdf_url":null,"source":{"id":"https://openalex.org/S2764905038","display_name":"Advances in intelligent systems and computing","issn_l":"2194-5357","issn":["2194-5357","2194-5365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Intelligent Systems and Computing","raw_type":"book-chapter"},"type":"book-chapter","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/A5033126155","display_name":"Dimitra Tzoumpa","orcid":"https://orcid.org/0000-0001-5052-5057"},"institutions":[{"id":"https://openalex.org/I154757721","display_name":"University of Piraeus","ror":"https://ror.org/02qs84g94","country_code":"GR","type":"education","lineage":["https://openalex.org/I154757721"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Dimitra Tzoumpa","raw_affiliation_strings":["Department of Informatics, University of Piraeus, Piraeus, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Informatics, University of Piraeus, Piraeus, Greece","institution_ids":["https://openalex.org/I154757721"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081429522","display_name":"Theodoros Karvounidis","orcid":null},"institutions":[{"id":"https://openalex.org/I154757721","display_name":"University of Piraeus","ror":"https://ror.org/02qs84g94","country_code":"GR","type":"education","lineage":["https://openalex.org/I154757721"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Theodoros Karvounidis","raw_affiliation_strings":["Department of Informatics, University of Piraeus, Piraeus, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Informatics, University of Piraeus, Piraeus, Greece","institution_ids":["https://openalex.org/I154757721"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000463728","display_name":"Christos Douligeris","orcid":"https://orcid.org/0000-0002-6849-6693"},"institutions":[{"id":"https://openalex.org/I154757721","display_name":"University of Piraeus","ror":"https://ror.org/02qs84g94","country_code":"GR","type":"education","lineage":["https://openalex.org/I154757721"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Christos Douligeris","raw_affiliation_strings":["Department of Informatics, University of Piraeus, Piraeus, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Informatics, University of Piraeus, Piraeus, Greece","institution_ids":["https://openalex.org/I154757721"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5033126155"],"corresponding_institution_ids":["https://openalex.org/I154757721"],"apc_list":null,"apc_paid":null,"fwci":1.0077,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74163783,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"120","last_page":"132"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12171","display_name":"Open Education and E-Learning","score":0.9821000099182129,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T12171","display_name":"Open Education and E-Learning","score":0.9821000099182129,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T10130","display_name":"Mathematics Education and Teaching Techniques","score":0.9585999846458435,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14236","display_name":"Educational Tools and Methods","score":0.958299994468689,"subfield":{"id":"https://openalex.org/subfields/3311","display_name":"Safety Research"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ontology","display_name":"Ontology","score":0.8839037418365479},{"id":"https://openalex.org/keywords/circumference","display_name":"Circumference","score":0.7521665692329407},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5974659323692322},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5367653965950012},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.5228952765464783},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.4707484841346741},{"id":"https://openalex.org/keywords/mathematics-education","display_name":"Mathematics education","score":0.34032076597213745},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3163352608680725},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2733040452003479},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.23454445600509644},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.1656760275363922},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08061310648918152}],"concepts":[{"id":"https://openalex.org/C25810664","wikidata":"https://www.wikidata.org/wiki/Q44325","display_name":"Ontology","level":2,"score":0.8839037418365479},{"id":"https://openalex.org/C166504685","wikidata":"https://www.wikidata.org/wiki/Q843905","display_name":"Circumference","level":2,"score":0.7521665692329407},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5974659323692322},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5367653965950012},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.5228952765464783},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4707484841346741},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.34032076597213745},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3163352608680725},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2733040452003479},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.23454445600509644},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.1656760275363922},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08061310648918152},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-030-11932-4_12","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-030-11932-4_12","pdf_url":null,"source":{"id":"https://openalex.org/S2764905038","display_name":"Advances in intelligent systems and computing","issn_l":"2194-5357","issn":["2194-5357","2194-5365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Intelligent Systems and Computing","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","score":0.7900000214576721,"id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321917","display_name":"General Secretariat for Research and Technology","ror":"https://ror.org/04yeh8h63"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1547031330","https://openalex.org/W1565751817","https://openalex.org/W1605079392","https://openalex.org/W2053101124","https://openalex.org/W2326141067","https://openalex.org/W2562678911","https://openalex.org/W2573894086","https://openalex.org/W2623234532","https://openalex.org/W4233068781","https://openalex.org/W4241483628"],"related_works":["https://openalex.org/W2171210560","https://openalex.org/W2170423518","https://openalex.org/W2011380015","https://openalex.org/W4313575872","https://openalex.org/W2944157897","https://openalex.org/W2266769886","https://openalex.org/W4382678683","https://openalex.org/W1851178298","https://openalex.org/W4285550364","https://openalex.org/W2003333417"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
