{"id":"https://openalex.org/W1543627827","doi":"https://doi.org/10.1007/bfb0023471","title":"An unambiguous class possessing a complete set","display_name":"An unambiguous class possessing a complete set","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W1543627827","doi":"https://doi.org/10.1007/bfb0023471","mag":"1543627827"},"language":"en","primary_location":{"id":"doi:10.1007/bfb0023471","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bfb0023471","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":"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/A5111655675","display_name":"Klaus-J\u00f6rn Lange","orcid":null},"institutions":[{"id":"https://openalex.org/I4210119362","display_name":"Hahn-Schickard-Gesellschaft f\u00fcr angewandte Forschung","ror":"https://ror.org/02reezy47","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I4210119362"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Klaus-J\u00f6rn Lange","raw_affiliation_strings":["Wilhelm-Schickard-Institut, T\u00fcbingen","Wilhelm-Schickard-Institut, T\u00fcbingen,"],"affiliations":[{"raw_affiliation_string":"Wilhelm-Schickard-Institut, T\u00fcbingen","institution_ids":[]},{"raw_affiliation_string":"Wilhelm-Schickard-Institut, T\u00fcbingen,","institution_ids":["https://openalex.org/I4210119362"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111655675"],"corresponding_institution_ids":["https://openalex.org/I4210119362"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":1.4444,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.8585209,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"339","last_page":"350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9860000014305115,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9860000014305115,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11673","display_name":"Advanced Topics in Algebra","score":0.9778000116348267,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9624000191688538,"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/computer-science","display_name":"Computer science","score":0.8325259685516357},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6928558945655823},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5769151449203491},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.39565420150756836},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.362923800945282},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22778552770614624}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8325259685516357},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6928558945655823},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5769151449203491},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.39565420150756836},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.362923800945282},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22778552770614624}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/bfb0023471","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bfb0023471","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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.40.7786","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.40.7786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www-fs.informatik.uni-tuebingen.de/~lange/arbeiten/uvoll/final/rul.ps","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.5699999928474426,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W201553861","https://openalex.org/W1511738550","https://openalex.org/W1534848215","https://openalex.org/W1563658994","https://openalex.org/W1574047625","https://openalex.org/W1581210843","https://openalex.org/W1590283810","https://openalex.org/W1763066259","https://openalex.org/W2012857639","https://openalex.org/W2017205387","https://openalex.org/W2039302045","https://openalex.org/W2039895055","https://openalex.org/W2043360684","https://openalex.org/W2061073612","https://openalex.org/W2081926325","https://openalex.org/W2100570449","https://openalex.org/W2106380698","https://openalex.org/W2120551550","https://openalex.org/W2133844229","https://openalex.org/W2156184725","https://openalex.org/W2293097972","https://openalex.org/W4236676762","https://openalex.org/W6631710119"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2360858150","https://openalex.org/W370365947"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}