{"id":"https://openalex.org/W2125729463","doi":"https://doi.org/10.1109/acc.2002.1025384","title":"Embedding a-priori positivity in systems modelling","display_name":"Embedding a-priori positivity in systems modelling","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2125729463","doi":"https://doi.org/10.1109/acc.2002.1025384","mag":"2125729463"},"language":"en","primary_location":{"id":"doi:10.1109/acc.2002.1025384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2002.1025384","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2002 American Control Conference (IEEE Cat. No.CH37301)","raw_type":"proceedings-article"},"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/A5076225221","display_name":"Luca Benvenuti","orcid":"https://orcid.org/0000-0001-7424-6853"},"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":"L. Benvenuti","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036218807","display_name":"Alberto De Santis","orcid":"https://orcid.org/0000-0001-5175-4951"},"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":"A. De Santis","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074179530","display_name":"Lorenzo Farina","orcid":"https://orcid.org/0000-0001-8314-6029"},"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":"L. Farina","raw_affiliation_strings":["Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Sistemistica E2809CAntonio RubertiE2809D, Universit\u00e0 degli Studi di Roma La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Dipt. di Informatica e Sistemistica Antonio Ruberti, Universita degli Studi di Roma \"La Sapienza, Rome, Italy","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I861853513"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.237574,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"50","issue":null,"first_page":"4626","last_page":"4631 vol.6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9995999932289124,"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"}},{"id":"https://openalex.org/T12564","display_name":"Sensor Technology and Measurement Systems","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/realization","display_name":"Realization (probability)","score":0.8469702005386353},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.6715580821037292},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.661818265914917},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5488829612731934},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5364642143249512},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.49514928460121155},{"id":"https://openalex.org/keywords/impulse","display_name":"Impulse (physics)","score":0.4550023078918457},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.44595175981521606},{"id":"https://openalex.org/keywords/system-identification","display_name":"System identification","score":0.4416099786758423},{"id":"https://openalex.org/keywords/impulse-response","display_name":"Impulse response","score":0.44070878624916077},{"id":"https://openalex.org/keywords/minimal-realization","display_name":"Minimal realization","score":0.4271411895751953},{"id":"https://openalex.org/keywords/finite-set","display_name":"Finite set","score":0.42556023597717285},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4048346281051636},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.37981051206588745},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.37423041462898254},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.19629067182540894},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13132381439208984},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.0656091570854187},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.06302037835121155}],"concepts":[{"id":"https://openalex.org/C2781089630","wikidata":"https://www.wikidata.org/wiki/Q21856745","display_name":"Realization (probability)","level":2,"score":0.8469702005386353},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.6715580821037292},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.661818265914917},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5488829612731934},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5364642143249512},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.49514928460121155},{"id":"https://openalex.org/C70836080","wikidata":"https://www.wikidata.org/wiki/Q837940","display_name":"Impulse (physics)","level":2,"score":0.4550023078918457},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.44595175981521606},{"id":"https://openalex.org/C119247159","wikidata":"https://www.wikidata.org/wiki/Q1366192","display_name":"System identification","level":3,"score":0.4416099786758423},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.44070878624916077},{"id":"https://openalex.org/C205609532","wikidata":"https://www.wikidata.org/wiki/Q770324","display_name":"Minimal realization","level":3,"score":0.4271411895751953},{"id":"https://openalex.org/C162392398","wikidata":"https://www.wikidata.org/wiki/Q272404","display_name":"Finite set","level":2,"score":0.42556023597717285},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4048346281051636},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37981051206588745},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.37423041462898254},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.19629067182540894},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13132381439208984},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0656091570854187},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.06302037835121155},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"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},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/acc.2002.1025384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acc.2002.1025384","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2002 American Control Conference (IEEE Cat. No.CH37301)","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.uniroma1.it:11573/210990","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/210990","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":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W239577987","https://openalex.org/W1503543307","https://openalex.org/W1595301150","https://openalex.org/W1881146567","https://openalex.org/W1965324089","https://openalex.org/W1984316037","https://openalex.org/W1993260645","https://openalex.org/W2058899256","https://openalex.org/W2084427838","https://openalex.org/W2129730142","https://openalex.org/W2136491310","https://openalex.org/W2170831233","https://openalex.org/W2798813531","https://openalex.org/W2987025408","https://openalex.org/W4235143360","https://openalex.org/W4295016751","https://openalex.org/W6639430572","https://openalex.org/W7058112142"],"related_works":["https://openalex.org/W2385614044","https://openalex.org/W4290705296","https://openalex.org/W2803806910","https://openalex.org/W214570580","https://openalex.org/W4243166461","https://openalex.org/W2048678689","https://openalex.org/W2054616108","https://openalex.org/W2375002642","https://openalex.org/W2561514193","https://openalex.org/W2534131053"],"abstract_inverted_index":{"This":[0,30],"paper":[1],"deals":[2],"with":[3],"the":[4,17,53,62],"issue":[5],"of":[6,19,23,35,39,56,61],"model":[7],"consistency":[8],"in":[9],"identification":[10],"procedures":[11],"for":[12,44],"LTI":[13],"compartmental":[14],"systems,":[15],"where":[16],"existence":[18],"a":[20,24,36,46,51],"positive":[21],"realization":[22,47],"given":[25],"order":[26],"must":[27],"be":[28],"ensured.":[29],"is":[31],"accomplished":[32],"by":[33],"means":[34],"finite":[37],"set":[38,55],"constraints":[40],"yielding":[41],"sufficient":[42],"conditions":[43,57],"such":[45],"to":[48],"exist.":[49],"As":[50],"byproduct,":[52],"same":[54],"also":[58],"ensure":[59],"nonnegativity":[60],"estimated":[63],"impulse":[64],"response.":[65]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
