{"id":"https://openalex.org/W1537742643","doi":"https://doi.org/10.1007/3-540-36104-9_2","title":"Analysis of Stationary Periods of Heart Rate via Symbolic Dynamics","display_name":"Analysis of Stationary Periods of Heart Rate via Symbolic Dynamics","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W1537742643","doi":"https://doi.org/10.1007/3-540-36104-9_2","mag":"1537742643"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-36104-9_2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-36104-9_2","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/A5074885400","display_name":"Camillo Cammarota","orcid":"https://orcid.org/0000-0003-2915-0865"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Camillo Cammarota","raw_affiliation_strings":["Department of Mathematics, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110416142","display_name":"G Guarini","orcid":null},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giusepp Guarini","raw_affiliation_strings":["2nd Department of Cardiology, University of Rome \u2018La Sapienza\u2019, p.le A.Moro 2, 00185, Rome, Italy","2nd Department of Cardiology, University of Rome 'La Sapienza', p.le A.Moro 2, 00185, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"2nd Department of Cardiology, University of Rome \u2018La Sapienza\u2019, p.le A.Moro 2, 00185, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"2nd Department of Cardiology, University of Rome 'La Sapienza', p.le A.Moro 2, 00185, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050286169","display_name":"M Ambrosini","orcid":null},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maria Ambrosini","raw_affiliation_strings":["2nd Department of Cardiology, University of Rome \u2018La Sapienza\u2019, p.le A.Moro 2, 00185, Rome, Italy","2nd Department of Cardiology, University of Rome 'La Sapienza', p.le A.Moro 2, 00185, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"2nd Department of Cardiology, University of Rome \u2018La Sapienza\u2019, p.le A.Moro 2, 00185, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"2nd Department of Cardiology, University of Rome 'La Sapienza', p.le A.Moro 2, 00185, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":3.0056,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.87518629,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"13","last_page":"19"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.9800000190734863,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9542999863624573,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/symbolic-dynamics","display_name":"Symbolic dynamics","score":0.684332013130188},{"id":"https://openalex.org/keywords/heart-rate","display_name":"Heart rate","score":0.6665874719619751},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.6038343906402588},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5555531978607178},{"id":"https://openalex.org/keywords/rr-interval","display_name":"RR interval","score":0.5131962895393372},{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"Atrial fibrillation","score":0.4907852113246918},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.466835618019104},{"id":"https://openalex.org/keywords/heart-rate-variability","display_name":"Heart rate variability","score":0.46633005142211914},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.4360450506210327},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3602193295955658},{"id":"https://openalex.org/keywords/blood-pressure","display_name":"Blood pressure","score":0.13484486937522888},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.11162137985229492}],"concepts":[{"id":"https://openalex.org/C16101541","wikidata":"https://www.wikidata.org/wiki/Q1350838","display_name":"Symbolic dynamics","level":2,"score":0.684332013130188},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.6665874719619751},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6038343906402588},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5555531978607178},{"id":"https://openalex.org/C2908688587","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"RR interval","level":5,"score":0.5131962895393372},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.4907852113246918},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.466835618019104},{"id":"https://openalex.org/C71635504","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"Heart rate variability","level":4,"score":0.46633005142211914},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4360450506210327},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3602193295955658},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.13484486937522888},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.11162137985229492}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/3-540-36104-9_2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-36104-9_2","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"},{"id":"pmh:oai:iris.uniroma1.it:11573/63051","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/63051","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1967900132","https://openalex.org/W1978846898","https://openalex.org/W1996683481","https://openalex.org/W1997277858","https://openalex.org/W2049941387","https://openalex.org/W2081007737","https://openalex.org/W2133589238","https://openalex.org/W2196337718","https://openalex.org/W2210103431","https://openalex.org/W2285072859","https://openalex.org/W2414399801","https://openalex.org/W2416336240","https://openalex.org/W2418381784","https://openalex.org/W2460668130","https://openalex.org/W2465069562","https://openalex.org/W3159872989"],"related_works":["https://openalex.org/W1502524017","https://openalex.org/W2946788172","https://openalex.org/W2566697371","https://openalex.org/W2769780636","https://openalex.org/W2889071868","https://openalex.org/W2095233676","https://openalex.org/W2114719946","https://openalex.org/W1913253923","https://openalex.org/W3198119201","https://openalex.org/W2593592128"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}