{"id":"https://openalex.org/W2144413263","doi":"https://doi.org/10.1007/s100440200002","title":"Finding Hidden Events in Astrophysical Data using PCA and Mixture of Gaussians Clustering","display_name":"Finding Hidden Events in Astrophysical Data using PCA and Mixture of Gaussians Clustering","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W2144413263","doi":"https://doi.org/10.1007/s100440200002","mag":"2144413263"},"language":"en","primary_location":{"id":"doi:10.1007/s100440200002","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s100440200002","pdf_url":null,"source":{"id":"https://openalex.org/S45497385","display_name":"Pattern Analysis and Applications","issn_l":"1433-7541","issn":["1433-7541","1433-755X"],"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":"Pattern Analysis & Applications","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/A5075853996","display_name":"M. Funaro","orcid":null},"institutions":[{"id":"https://openalex.org/I131729948","display_name":"University of Salerno","ror":"https://ror.org/0192m2k53","country_code":"IT","type":"education","lineage":["https://openalex.org/I131729948"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maria Funaro","raw_affiliation_strings":["Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT","institution_ids":["https://openalex.org/I131729948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111728391","display_name":"M. Marinaro","orcid":null},"institutions":[{"id":"https://openalex.org/I131729948","display_name":"University of Salerno","ror":"https://ror.org/0192m2k53","country_code":"IT","type":"education","lineage":["https://openalex.org/I131729948"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maria Marinaro","raw_affiliation_strings":["Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT","institution_ids":["https://openalex.org/I131729948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091756907","display_name":"Alfredo Petrosino","orcid":"https://orcid.org/0000-0002-8736-1997"},"institutions":[{"id":"https://openalex.org/I131729948","display_name":"University of Salerno","ror":"https://ror.org/0192m2k53","country_code":"IT","type":"education","lineage":["https://openalex.org/I131729948"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alfredo Petrosino","raw_affiliation_strings":["INFM \u2013 University of Salerno, Baronissi (SA), Italy, IT"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INFM \u2013 University of Salerno, Baronissi (SA), Italy, IT","institution_ids":["https://openalex.org/I131729948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062165603","display_name":"Silvia Scarpetta","orcid":"https://orcid.org/0000-0003-4189-0065"},"institutions":[{"id":"https://openalex.org/I131729948","display_name":"University of Salerno","ror":"https://ror.org/0192m2k53","country_code":"IT","type":"education","lineage":["https://openalex.org/I131729948"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Silvia Scarpetta","raw_affiliation_strings":["Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Fisica \u2018E. R. Caianiello\u2019, University of Salerno, Baronissi (SA), Italy, IT","institution_ids":["https://openalex.org/I131729948"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I131729948"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.1360958,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"5","issue":"1","first_page":"15","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12946","display_name":"Fractal and DNA sequence analysis","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.847651481628418},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.7607447504997253},{"id":"https://openalex.org/keywords/mixture-model","display_name":"Mixture model","score":0.7556629180908203},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6783818602561951},{"id":"https://openalex.org/keywords/data-set","display_name":"Data set","score":0.6313636898994446},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5274639129638672},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.49768903851509094},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.48799556493759155},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4758422374725342},{"id":"https://openalex.org/keywords/luminosity","display_name":"Luminosity","score":0.45099779963493347},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4068711996078491},{"id":"https://openalex.org/keywords/galaxy","display_name":"Galaxy","score":0.3722045421600342},{"id":"https://openalex.org/keywords/astrophysics","display_name":"Astrophysics","score":0.337534636259079},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.33665215969085693}],"concepts":[{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.847651481628418},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7607447504997253},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.7556629180908203},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6783818602561951},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.6313636898994446},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5274639129638672},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.49768903851509094},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.48799556493759155},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4758422374725342},{"id":"https://openalex.org/C12287442","wikidata":"https://www.wikidata.org/wiki/Q105902","display_name":"Luminosity","level":3,"score":0.45099779963493347},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4068711996078491},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.3722045421600342},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.337534636259079},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33665215969085693},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s100440200002","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s100440200002","pdf_url":null,"source":{"id":"https://openalex.org/S45497385","display_name":"Pattern Analysis and Applications","issn_l":"1433-7541","issn":["1433-7541","1433-755X"],"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":"Pattern Analysis & Applications","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":18,"referenced_works":["https://openalex.org/W156909901","https://openalex.org/W282956989","https://openalex.org/W1554663460","https://openalex.org/W1675204408","https://openalex.org/W1976077137","https://openalex.org/W1977586499","https://openalex.org/W1988997778","https://openalex.org/W1991770708","https://openalex.org/W2021875181","https://openalex.org/W2026926262","https://openalex.org/W2082456781","https://openalex.org/W2095071654","https://openalex.org/W2103139809","https://openalex.org/W2103633133","https://openalex.org/W2108004725","https://openalex.org/W2124776405","https://openalex.org/W2963401365","https://openalex.org/W3102712488"],"related_works":["https://openalex.org/W1980381208","https://openalex.org/W1975632186","https://openalex.org/W3027745756","https://openalex.org/W2531880140","https://openalex.org/W2364594919","https://openalex.org/W2151402979","https://openalex.org/W1968475104","https://openalex.org/W2899564673","https://openalex.org/W2118010945","https://openalex.org/W1998713996"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}