{"id":"https://openalex.org/W2465794998","doi":"https://doi.org/10.1016/0005-1098(76)90026-1","title":"Closed loop hierarchical control for river pollution","display_name":"Closed loop hierarchical control for river pollution","publication_year":1976,"publication_date":"1976-05-01","ids":{"openalex":"https://openalex.org/W2465794998","doi":"https://doi.org/10.1016/0005-1098(76)90026-1","mag":"2465794998"},"language":"en","primary_location":{"id":"doi:10.1016/0005-1098(76)90026-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0005-1098(76)90026-1","pdf_url":null,"source":{"id":"https://openalex.org/S51360982","display_name":"Automatica","issn_l":"0005-1098","issn":["0005-1098","1873-2836"],"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":"Automatica","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/A5101831226","display_name":"M.G. Singh","orcid":"https://orcid.org/0000-0001-8906-151X"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"M.G. Singh","raw_affiliation_strings":["St. John's College, Cambridge, England Laboratoire d'Automatique et d'Analyse des Systems du C.N.R.S., 7 Avenue du Colonel Roche, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"St. John's College, Cambridge, England Laboratoire d'Automatique et d'Analyse des Systems du C.N.R.S., 7 Avenue du Colonel Roche, Toulouse, France","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016415380","display_name":"Mohamed F. Hassan","orcid":"https://orcid.org/0000-0001-9682-4765"},"institutions":[{"id":"https://openalex.org/I190497903","display_name":"Laboratoire d'Analyse et d'Architecture des Syst\u00e8mes","ror":"https://ror.org/03vcm6439","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I190497903","https://openalex.org/I196454796","https://openalex.org/I205747304","https://openalex.org/I205747304","https://openalex.org/I4210095849","https://openalex.org/I4210159245","https://openalex.org/I4387153255","https://openalex.org/I4405258862","https://openalex.org/I4405258862","https://openalex.org/I4405258862","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"M. Hassan","raw_affiliation_strings":["Laboratoire d'Automatique et d'Analyse des Systemes du C.N.R.S., 7 Avenue du Colonel Roche, Toulouse, France"],"affiliations":[{"raw_affiliation_string":"Laboratoire d'Automatique et d'Analyse des Systemes du C.N.R.S., 7 Avenue du Colonel Roche, Toulouse, France","institution_ids":["https://openalex.org/I190497903"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101831226"],"corresponding_institution_ids":[],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":15.6811,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.98970367,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":"3","first_page":"261","last_page":"264"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10969","display_name":"Water resources management and optimization","score":0.945900022983551,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10969","display_name":"Water resources management and optimization","score":0.945900022983551,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10545","display_name":"Optimization and Variational Analysis","score":0.9351000189781189,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10791","display_name":"Advanced Control Systems Optimization","score":0.9345999956130981,"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/constant","display_name":"Constant (computer programming)","score":0.6597586870193481},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.6474014520645142},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.610680878162384},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5449941158294678},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5087605118751526},{"id":"https://openalex.org/keywords/pollution","display_name":"Pollution","score":0.5052416920661926},{"id":"https://openalex.org/keywords/feedback-control","display_name":"Feedback control","score":0.4781970977783203},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3667808771133423},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.3295779824256897},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2036086916923523},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17371487617492676},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07049673795700073}],"concepts":[{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.6597586870193481},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.6474014520645142},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.610680878162384},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5449941158294678},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5087605118751526},{"id":"https://openalex.org/C521259446","wikidata":"https://www.wikidata.org/wiki/Q58734","display_name":"Pollution","level":2,"score":0.5052416920661926},{"id":"https://openalex.org/C3018651601","wikidata":"https://www.wikidata.org/wiki/Q183635","display_name":"Feedback control","level":2,"score":0.4781970977783203},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3667808771133423},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.3295779824256897},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2036086916923523},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17371487617492676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07049673795700073},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0005-1098(76)90026-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0005-1098(76)90026-1","pdf_url":null,"source":{"id":"https://openalex.org/S51360982","display_name":"Automatica","issn_l":"0005-1098","issn":["0005-1098","1873-2836"],"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":"Automatica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","score":0.44999998807907104,"id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1963701818","https://openalex.org/W1980878116","https://openalex.org/W1982864255","https://openalex.org/W1993779883","https://openalex.org/W2021298564","https://openalex.org/W2076698422","https://openalex.org/W2089630503","https://openalex.org/W6640988536","https://openalex.org/W6669772523","https://openalex.org/W6673076596"],"related_works":["https://openalex.org/W2351033701","https://openalex.org/W2379130016","https://openalex.org/W2378691346","https://openalex.org/W2378491141","https://openalex.org/W2348065892","https://openalex.org/W2353661218","https://openalex.org/W2371276566","https://openalex.org/W2375311435","https://openalex.org/W2372056606","https://openalex.org/W2365019758"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}