{"id":"https://openalex.org/W2800459751","doi":"https://doi.org/10.1016/j.knosys.2018.04.031","title":"Efficient discriminative clustering via QR decomposition-based Linear Discriminant Analysis","display_name":"Efficient discriminative clustering via QR decomposition-based Linear Discriminant Analysis","publication_year":2018,"publication_date":"2018-04-25","ids":{"openalex":"https://openalex.org/W2800459751","doi":"https://doi.org/10.1016/j.knosys.2018.04.031","mag":"2800459751"},"language":"en","primary_location":{"id":"doi:10.1016/j.knosys.2018.04.031","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.knosys.2018.04.031","pdf_url":null,"source":{"id":"https://openalex.org/S10169007","display_name":"Knowledge-Based Systems","issn_l":"0950-7051","issn":["0950-7051","1872-7409"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Knowledge-Based 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/A5101448477","display_name":"Xiaobin Zhi","orcid":"https://orcid.org/0000-0001-7396-5928"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaobin Zhi","raw_affiliation_strings":["School of Science, Xi' an University of Post and Telecommunications, Xi'an 710121, China"],"affiliations":[{"raw_affiliation_string":"School of Science, Xi' an University of Post and Telecommunications, Xi'an 710121, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058234648","display_name":"Huafang Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huafang Yan","raw_affiliation_strings":["School of Communication and Information Engineering, Xi' an University of Post and Telecommunications, Xi' an 710121, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Xi' an University of Post and Telecommunications, Xi' an 710121, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100739544","display_name":"Jiulun Fan","orcid":"https://orcid.org/0000-0002-7553-204X"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiulun Fan","raw_affiliation_strings":["School of Communication and Information Engineering, Xi' an University of Post and Telecommunications, Xi' an 710121, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Xi' an University of Post and Telecommunications, Xi' an 710121, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108703287","display_name":"Supei Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Supei Zheng","raw_affiliation_strings":["School of Science, Chang' an University, Xi' an 710064, China"],"affiliations":[{"raw_affiliation_string":"School of Science, Chang' an University, Xi' an 710064, China","institution_ids":["https://openalex.org/I25355098"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101448477"],"corresponding_institution_ids":["https://openalex.org/I4210136859"],"apc_list":{"value":3130,"currency":"USD","value_usd":3130},"apc_paid":null,"fwci":1.2748,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.84887535,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"153","issue":null,"first_page":"117","last_page":"132"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10057","display_name":"Face and Expression Recognition","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.9959999918937683,"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/T11901","display_name":"Bayesian Methods and Mixture Models","score":0.9868000149726868,"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/cluster-analysis","display_name":"Cluster analysis","score":0.6856586933135986},{"id":"https://openalex.org/keywords/qr-decomposition","display_name":"QR decomposition","score":0.652733325958252},{"id":"https://openalex.org/keywords/linear-discriminant-analysis","display_name":"Linear discriminant analysis","score":0.6339561939239502},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.6238321661949158},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6176446080207825},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.5369676351547241},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4892887771129608},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4784643352031708},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47482165694236755},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.46761783957481384},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39510980248451233},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3830069303512573}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6856586933135986},{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.652733325958252},{"id":"https://openalex.org/C69738355","wikidata":"https://www.wikidata.org/wiki/Q1228929","display_name":"Linear discriminant analysis","level":2,"score":0.6339561939239502},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.6238321661949158},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6176446080207825},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.5369676351547241},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4892887771129608},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4784643352031708},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47482165694236755},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.46761783957481384},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39510980248451233},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3830069303512573},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.knosys.2018.04.031","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.knosys.2018.04.031","pdf_url":null,"source":{"id":"https://openalex.org/S10169007","display_name":"Knowledge-Based Systems","issn_l":"0950-7051","issn":["0950-7051","1872-7409"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Knowledge-Based Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7599999904632568,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[{"id":"https://openalex.org/G1172181855","display_name":null,"funder_award_id":"11401045","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2539507458","display_name":null,"funder_award_id":"2014JM8307","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3960461005","display_name":null,"funder_award_id":"11401045","funder_id":"https://openalex.org/F4320324173","funder_display_name":"Natural Science Foundation of Shaanxi Province"},{"id":"https://openalex.org/G4772785005","display_name":null,"funder_award_id":"61671377","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"},{"id":"https://openalex.org/G5007156229","display_name":null,"funder_award_id":"2014JM8307","funder_id":"https://openalex.org/F4320324173","funder_display_name":"Natural Science Foundation of Shaanxi Province"},{"id":"https://openalex.org/G5214977601","display_name":null,"funder_award_id":"61671377","funder_id":"https://openalex.org/F4320324173","funder_display_name":"Natural Science Foundation of Shaanxi Province"},{"id":"https://openalex.org/G6024056603","display_name":null,"funder_award_id":"61102095","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6094055","display_name":null,"funder_award_id":"61571361","funder_id":"https://openalex.org/F4320324173","funder_display_name":"Natural Science Foundation of Shaanxi Province"},{"id":"https://openalex.org/G7205446013","display_name":null,"funder_award_id":"61571361","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"},{"id":"https://openalex.org/G7507172383","display_name":null,"funder_award_id":"61102095","funder_id":"https://openalex.org/F4320324173","funder_display_name":"Natural Science Foundation of Shaanxi Province"},{"id":"https://openalex.org/G7672299871","display_name":null,"funder_award_id":"2014JM8307","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"},{"id":"https://openalex.org/G7710250581","display_name":null,"funder_award_id":"61102095","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"},{"id":"https://openalex.org/G8198261855","display_name":null,"funder_award_id":"61571361","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8604219683","display_name":null,"funder_award_id":"61671377","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G928001326","display_name":null,"funder_award_id":"11401045","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321470","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59"},{"id":"https://openalex.org/F4320324173","display_name":"Natural Science Foundation of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":58,"referenced_works":["https://openalex.org/W36570767","https://openalex.org/W109865423","https://openalex.org/W792551570","https://openalex.org/W1181965167","https://openalex.org/W1489608363","https://openalex.org/W1494730498","https://openalex.org/W1513983351","https://openalex.org/W1560724230","https://openalex.org/W1746819321","https://openalex.org/W1770825568","https://openalex.org/W1966701961","https://openalex.org/W1978786559","https://openalex.org/W1985867823","https://openalex.org/W1993201782","https://openalex.org/W2006729141","https://openalex.org/W2022086975","https://openalex.org/W2027077102","https://openalex.org/W2029900646","https://openalex.org/W2035966506","https://openalex.org/W2038878582","https://openalex.org/W2046649434","https://openalex.org/W2047191928","https://openalex.org/W2060542593","https://openalex.org/W2063687840","https://openalex.org/W2064210461","https://openalex.org/W2067048054","https://openalex.org/W2084812512","https://openalex.org/W2106253207","https://openalex.org/W2118527002","https://openalex.org/W2121647436","https://openalex.org/W2121757144","https://openalex.org/W2127218421","https://openalex.org/W2132771435","https://openalex.org/W2132820034","https://openalex.org/W2133026689","https://openalex.org/W2152939563","https://openalex.org/W2168466186","https://openalex.org/W2170505850","https://openalex.org/W2171347282","https://openalex.org/W2425246132","https://openalex.org/W2468714721","https://openalex.org/W2513765142","https://openalex.org/W2792298817","https://openalex.org/W2966734222","https://openalex.org/W3018586685","https://openalex.org/W3099514962","https://openalex.org/W3125929818","https://openalex.org/W4211049957","https://openalex.org/W4250857377","https://openalex.org/W4392712345","https://openalex.org/W6645229978","https://openalex.org/W6659300769","https://openalex.org/W6678914141","https://openalex.org/W6678976218","https://openalex.org/W6679435521","https://openalex.org/W6679854563","https://openalex.org/W6682609908","https://openalex.org/W6726001995"],"related_works":["https://openalex.org/W2114217318","https://openalex.org/W2794812819","https://openalex.org/W2120164251","https://openalex.org/W2587881214","https://openalex.org/W3104072235","https://openalex.org/W3036945320","https://openalex.org/W2370263288","https://openalex.org/W2169311637","https://openalex.org/W3192451249","https://openalex.org/W4367850163"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}