{"id":"https://openalex.org/W24978005","doi":"https://doi.org/10.1007/11548669_5","title":"Approximation in Formal Concept Analysis","display_name":"Approximation in Formal Concept Analysis","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W24978005","doi":"https://doi.org/10.1007/11548669_5","mag":"24978005"},"language":"en","primary_location":{"id":"doi:10.1007/11548669_5","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11548669_5","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/A5072912487","display_name":"Mingwen Shao","orcid":"https://orcid.org/0000-0001-7323-5896"},"institutions":[{"id":"https://openalex.org/I59649739","display_name":"Jiangxi University of Finance and Economics","ror":"https://ror.org/03efmyj29","country_code":"CN","type":"education","lineage":["https://openalex.org/I59649739"]},{"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":"Ming-Wen Shao","raw_affiliation_strings":["Faculty of Science, Institute for Information and System Sciences, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P. R. China","School of Information Technology, Jiangxi University of Finance & Economics, Nanchang, Jiangxi, 330013, P. R. China","Faculty of Science, Institute for Information and System Sciences, Xi'an Jiaotong University, Xi'an, Shaan'xi, 710049, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Science, Institute for Information and System Sciences, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P. R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Information Technology, Jiangxi University of Finance & Economics, Nanchang, Jiangxi, 330013, P. R. China","institution_ids":["https://openalex.org/I59649739"]},{"raw_affiliation_string":"Faculty of Science, Institute for Information and System Sciences, Xi'an Jiaotong University, Xi'an, Shaan'xi, 710049, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100672540","display_name":"Wen\u2010Xiu Zhang","orcid":"https://orcid.org/0000-0002-4366-1330"},"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":"Wen-Xiu Zhang","raw_affiliation_strings":["Faculty of Science, Institute for Information and System Sciences, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P. R. China","Faculty of Science, Institute for Information and System Sciences, Xi'an Jiaotong University, Xi'an, Shaan'xi, 710049, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Science, Institute for Information and System Sciences, Xi\u2019an Jiaotong University, Xi\u2019an, Shaan\u2019xi, 710049, P. R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Faculty of Science, Institute for Information and System Sciences, Xi'an Jiaotong University, Xi'an, Shaan'xi, 710049, P. R. China","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":null,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"43","last_page":"53"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9998000264167786,"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":0.9998000264167786,"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/T10906","display_name":"AI-based Problem Solving and Planning","score":0.9466000199317932,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9455000162124634,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.8232441544532776},{"id":"https://openalex.org/keywords/formal-concept-analysis","display_name":"Formal concept analysis","score":0.6005734205245972},{"id":"https://openalex.org/keywords/formal-methods","display_name":"Formal methods","score":0.5483038425445557},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3778493404388428},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.37037551403045654},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.3292057514190674},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.252529501914978}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8232441544532776},{"id":"https://openalex.org/C76363472","wikidata":"https://www.wikidata.org/wiki/Q1437394","display_name":"Formal concept analysis","level":2,"score":0.6005734205245972},{"id":"https://openalex.org/C75606506","wikidata":"https://www.wikidata.org/wiki/Q1049183","display_name":"Formal methods","level":2,"score":0.5483038425445557},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3778493404388428},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.37037551403045654},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.3292057514190674},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.252529501914978},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/11548669_5","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11548669_5","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1485098453","https://openalex.org/W1505150927","https://openalex.org/W1514968118","https://openalex.org/W1532382818","https://openalex.org/W1553701556","https://openalex.org/W1564518184","https://openalex.org/W1575038180","https://openalex.org/W1582014272","https://openalex.org/W1582971263","https://openalex.org/W1583775122","https://openalex.org/W1584679449","https://openalex.org/W1851672339","https://openalex.org/W1975574512","https://openalex.org/W1992107931","https://openalex.org/W1997362234","https://openalex.org/W2002367458","https://openalex.org/W2034998024","https://openalex.org/W2042294955","https://openalex.org/W2095290023","https://openalex.org/W2103089623","https://openalex.org/W2143985241","https://openalex.org/W2148443116","https://openalex.org/W2156582682","https://openalex.org/W2178307261","https://openalex.org/W2396903734","https://openalex.org/W2477097424","https://openalex.org/W2487573296","https://openalex.org/W2500062327","https://openalex.org/W4234423219","https://openalex.org/W4243743740","https://openalex.org/W4255833381"],"related_works":["https://openalex.org/W2495844640","https://openalex.org/W44944126","https://openalex.org/W4250377198","https://openalex.org/W97952580","https://openalex.org/W4296672482","https://openalex.org/W2147440166","https://openalex.org/W3209267785","https://openalex.org/W1570804745","https://openalex.org/W2008825044","https://openalex.org/W2408706506"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
