{"id":"https://openalex.org/W1509943391","doi":"https://doi.org/10.1007/978-3-540-79721-0_50","title":"Intuitionistic Fuzzy Approximations and Intuitionistic Fuzzy Sigma-Algebras","display_name":"Intuitionistic Fuzzy Approximations and Intuitionistic Fuzzy Sigma-Algebras","publication_year":2008,"publication_date":"2008-05-12","ids":{"openalex":"https://openalex.org/W1509943391","doi":"https://doi.org/10.1007/978-3-540-79721-0_50","mag":"1509943391"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-79721-0_50","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-79721-0_50","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/A5015847053","display_name":"Wei-Zhi Wu","orcid":"https://orcid.org/0000-0002-5913-6821"},"institutions":[{"id":"https://openalex.org/I31847773","display_name":"Zhejiang Ocean University","ror":"https://ror.org/03mys6533","country_code":"CN","type":"education","lineage":["https://openalex.org/I31847773"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei-Zhi Wu","raw_affiliation_strings":["School of Mathematics, Physics and Information Science, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, P.R. China","School of Mathematics, Physics and Information Science, Zhejiang Ocean University, Zhoushan, Zhejiang, P. R. China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematics, Physics and Information Science, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, P.R. China","institution_ids":["https://openalex.org/I31847773"]},{"raw_affiliation_string":"School of Mathematics, Physics and Information Science, Zhejiang Ocean University, Zhoushan, Zhejiang, P. R. China#TAB#","institution_ids":["https://openalex.org/I31847773"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100653520","display_name":"Lei Zhou","orcid":"https://orcid.org/0000-0002-0782-4446"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Zhou","raw_affiliation_strings":["Institute for Information and System Sciences, Faculty of Science, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P.R. China","Institute for Information and System Sciences, Faculty of Science, Xi'an Jiaotong University, Xi'an, Shaan'xi, P.R. China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Information and System Sciences, Faculty of Science, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Institute for Information and System Sciences, Faculty of Science, Xi'an Jiaotong University, Xi'an, Shaan'xi, P.R. China#TAB#","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.2857,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.42332463,"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":"355","last_page":"362"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9890999794006348,"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"}},{"id":"https://openalex.org/T11671","display_name":"Fuzzy and Soft Set Theory","score":0.9890000224113464,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7105666995048523},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.5990756750106812},{"id":"https://openalex.org/keywords/fuzzy-subalgebra","display_name":"Fuzzy subalgebra","score":0.5198086500167847},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.4353022575378418},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.42822757363319397},{"id":"https://openalex.org/keywords/fuzzy-set-operations","display_name":"Fuzzy set operations","score":0.4124772250652313},{"id":"https://openalex.org/keywords/fuzzy-number","display_name":"Fuzzy number","score":0.4111365079879761},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.41051602363586426},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.39981210231781006},{"id":"https://openalex.org/keywords/fuzzy-set","display_name":"Fuzzy set","score":0.39294111728668213},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1509810984134674},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13447192311286926}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7105666995048523},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.5990756750106812},{"id":"https://openalex.org/C115740575","wikidata":"https://www.wikidata.org/wiki/Q5511136","display_name":"Fuzzy subalgebra","level":5,"score":0.5198086500167847},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.4353022575378418},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.42822757363319397},{"id":"https://openalex.org/C148671577","wikidata":"https://www.wikidata.org/wiki/Q5511133","display_name":"Fuzzy set operations","level":4,"score":0.4124772250652313},{"id":"https://openalex.org/C1883856","wikidata":"https://www.wikidata.org/wiki/Q3407463","display_name":"Fuzzy number","level":4,"score":0.4111365079879761},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.41051602363586426},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.39981210231781006},{"id":"https://openalex.org/C42011625","wikidata":"https://www.wikidata.org/wiki/Q1055058","display_name":"Fuzzy set","level":3,"score":0.39294111728668213},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1509810984134674},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13447192311286926}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-540-79721-0_50","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-79721-0_50","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":[{"display_name":"Reduced inequalities","score":0.4300000071525574,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W8286804","https://openalex.org/W96192410","https://openalex.org/W1557923305","https://openalex.org/W1980564456","https://openalex.org/W1994096355","https://openalex.org/W2038190934","https://openalex.org/W2091650466","https://openalex.org/W2123113117","https://openalex.org/W2143040521","https://openalex.org/W2143451122","https://openalex.org/W2506733973","https://openalex.org/W3215249671","https://openalex.org/W4232953319","https://openalex.org/W4255034261","https://openalex.org/W4255279317","https://openalex.org/W4292295629"],"related_works":["https://openalex.org/W1486684451","https://openalex.org/W2037428035","https://openalex.org/W2121560876","https://openalex.org/W4361984403","https://openalex.org/W4361273540","https://openalex.org/W2366798457","https://openalex.org/W2048452567","https://openalex.org/W4387806793","https://openalex.org/W2116600453","https://openalex.org/W2092290989"],"abstract_inverted_index":null,"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-08-04T08:18:43.703281","created_date":"2025-10-10T00:00:00"}