{"id":"https://openalex.org/W2883168332","doi":"https://doi.org/10.1007/s40815-018-0513-4","title":"Portfolio Selection Using Z-Number Theory: Two Solution Methodologies","display_name":"Portfolio Selection Using Z-Number Theory: Two Solution Methodologies","publication_year":2018,"publication_date":"2018-07-18","ids":{"openalex":"https://openalex.org/W2883168332","doi":"https://doi.org/10.1007/s40815-018-0513-4","mag":"2883168332"},"language":"en","primary_location":{"id":"doi:10.1007/s40815-018-0513-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40815-018-0513-4","pdf_url":null,"source":{"id":"https://openalex.org/S18792341","display_name":"International Journal of Fuzzy Systems","issn_l":"1562-2479","issn":["1562-2479","2199-3211"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Fuzzy Systems","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/A5039625462","display_name":"Amirsina Jirofti","orcid":null},"institutions":[{"id":"https://openalex.org/I80543232","display_name":"K.N.Toosi University of Technology","ror":"https://ror.org/0433abe34","country_code":"IR","type":"education","lineage":["https://openalex.org/I80543232"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Amirsina Jirofti","raw_affiliation_strings":["Faculty of Industrial Engineering, K.N. Toosi University of Technology, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Industrial Engineering, K.N. Toosi University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I80543232"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078544262","display_name":"Amir Abbas Najafi","orcid":"https://orcid.org/0000-0001-5671-0827"},"institutions":[{"id":"https://openalex.org/I80543232","display_name":"K.N.Toosi University of Technology","ror":"https://ror.org/0433abe34","country_code":"IR","type":"education","lineage":["https://openalex.org/I80543232"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Amir Abbas Najafi","raw_affiliation_strings":["Faculty of Industrial Engineering, K.N. Toosi University of Technology, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Industrial Engineering, K.N. Toosi University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I80543232"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5078544262"],"corresponding_institution_ids":["https://openalex.org/I80543232"],"apc_list":{"value":2690,"currency":"EUR","value_usd":3490},"apc_paid":null,"fwci":2.2019,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.88530488,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"20","issue":"8","first_page":"2484","last_page":"2496"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10050","display_name":"Multi-Criteria Decision Making","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10050","display_name":"Multi-Criteria Decision Making","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","score":0.9983000159263611,"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"}},{"id":"https://openalex.org/T12709","display_name":"Optimization and Mathematical Programming","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"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/fuzzy-number","display_name":"Fuzzy number","score":0.7144873738288879},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5270081758499146},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.5124135613441467},{"id":"https://openalex.org/keywords/portfolio-optimization","display_name":"Portfolio optimization","score":0.4683123528957367},{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.4600095748901367},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44684073328971863},{"id":"https://openalex.org/keywords/computational-intelligence","display_name":"Computational intelligence","score":0.4145479202270508},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4020596146583557},{"id":"https://openalex.org/keywords/fuzzy-set","display_name":"Fuzzy set","score":0.30548709630966187},{"id":"https://openalex.org/keywords/finance","display_name":"Finance","score":0.16602599620819092},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.15444421768188477},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13588830828666687}],"concepts":[{"id":"https://openalex.org/C1883856","wikidata":"https://www.wikidata.org/wiki/Q3407463","display_name":"Fuzzy number","level":4,"score":0.7144873738288879},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5270081758499146},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.5124135613441467},{"id":"https://openalex.org/C202655437","wikidata":"https://www.wikidata.org/wiki/Q7231728","display_name":"Portfolio optimization","level":3,"score":0.4683123528957367},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.4600095748901367},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44684073328971863},{"id":"https://openalex.org/C139502532","wikidata":"https://www.wikidata.org/wiki/Q1122090","display_name":"Computational intelligence","level":2,"score":0.4145479202270508},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4020596146583557},{"id":"https://openalex.org/C42011625","wikidata":"https://www.wikidata.org/wiki/Q1055058","display_name":"Fuzzy set","level":3,"score":0.30548709630966187},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.16602599620819092},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.15444421768188477},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13588830828666687}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s40815-018-0513-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40815-018-0513-4","pdf_url":null,"source":{"id":"https://openalex.org/S18792341","display_name":"International Journal of Fuzzy Systems","issn_l":"1562-2479","issn":["1562-2479","2199-3211"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Fuzzy Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W51696563","https://openalex.org/W805011921","https://openalex.org/W1552255123","https://openalex.org/W1968366840","https://openalex.org/W1983436095","https://openalex.org/W1987249808","https://openalex.org/W1991214761","https://openalex.org/W1998174418","https://openalex.org/W2010364067","https://openalex.org/W2023893673","https://openalex.org/W2038865108","https://openalex.org/W2042774699","https://openalex.org/W2048500750","https://openalex.org/W2089591483","https://openalex.org/W2095042901","https://openalex.org/W2099867994","https://openalex.org/W2101401875","https://openalex.org/W2122361993","https://openalex.org/W2127152800","https://openalex.org/W2127435107","https://openalex.org/W2128530362","https://openalex.org/W2154589806","https://openalex.org/W2157041604","https://openalex.org/W2219864922","https://openalex.org/W2515267708","https://openalex.org/W4240278385","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1986311305","https://openalex.org/W4360613713","https://openalex.org/W3125148470","https://openalex.org/W2768197547","https://openalex.org/W2055959038","https://openalex.org/W2068727170","https://openalex.org/W4206877017","https://openalex.org/W4327779378","https://openalex.org/W2795635811","https://openalex.org/W2221832056"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}
