{"id":"https://openalex.org/W1970418126","doi":"https://doi.org/10.1007/bf01933257","title":"The set union problem with dynamic weighted backtracking","display_name":"The set union problem with dynamic weighted backtracking","publication_year":1991,"publication_date":"1991-09-01","ids":{"openalex":"https://openalex.org/W1970418126","doi":"https://doi.org/10.1007/bf01933257","mag":"1970418126"},"language":"en","primary_location":{"id":"doi:10.1007/bf01933257","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01933257","pdf_url":null,"source":{"id":"https://openalex.org/S125499977","display_name":"BIT Numerical Mathematics","issn_l":"0006-3835","issn":["0006-3835","1572-9125"],"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":"BIT","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/A5091418042","display_name":"Giorgio Gambosi","orcid":"https://orcid.org/0000-0001-9979-6931"},"institutions":[{"id":"https://openalex.org/I26415053","display_name":"University of L'Aquila","ror":"https://ror.org/01j9p1r26","country_code":"IT","type":"education","lineage":["https://openalex.org/I26415053"]},{"id":"https://openalex.org/I4210157811","display_name":"Centro di Ricerca in Matematica Pura ed Applicata","ror":"https://ror.org/04fv5g904","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210157811"]},{"id":"https://openalex.org/I4210162062","display_name":"Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti","ror":"https://ror.org/054ye0e45","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210162062"]},{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"Giorgio Gambosi","raw_affiliation_strings":["Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","Universit\u00e0 di Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","institution_ids":["https://openalex.org/I26415053","https://openalex.org/I4210157811"]},{"raw_affiliation_string":"IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","institution_ids":["https://openalex.org/I4210162062"]},{"raw_affiliation_string":"Universit\u00e0 di Roma, Italy","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086186456","display_name":"Giuseppe F. Italiano","orcid":"https://orcid.org/0000-0002-9492-9894"},"institutions":[{"id":"https://openalex.org/I26415053","display_name":"University of L'Aquila","ror":"https://ror.org/01j9p1r26","country_code":"IT","type":"education","lineage":["https://openalex.org/I26415053"]},{"id":"https://openalex.org/I4210157811","display_name":"Centro di Ricerca in Matematica Pura ed Applicata","ror":"https://ror.org/04fv5g904","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210157811"]},{"id":"https://openalex.org/I4210162062","display_name":"Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti","ror":"https://ror.org/054ye0e45","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210162062"]},{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"Giuseppe F. Italiano","raw_affiliation_strings":["Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","Universit\u00e0 di Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","institution_ids":["https://openalex.org/I26415053","https://openalex.org/I4210157811"]},{"raw_affiliation_string":"IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","institution_ids":["https://openalex.org/I4210162062"]},{"raw_affiliation_string":"Universit\u00e0 di Roma, Italy","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077567390","display_name":"Maurizio Talamo","orcid":"https://orcid.org/0000-0002-3888-0889"},"institutions":[{"id":"https://openalex.org/I26415053","display_name":"University of L'Aquila","ror":"https://ror.org/01j9p1r26","country_code":"IT","type":"education","lineage":["https://openalex.org/I26415053"]},{"id":"https://openalex.org/I4210157811","display_name":"Centro di Ricerca in Matematica Pura ed Applicata","ror":"https://ror.org/04fv5g904","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210157811"]},{"id":"https://openalex.org/I4210162062","display_name":"Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti","ror":"https://ror.org/054ye0e45","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210162062"]},{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"Maurizio Talamo","raw_affiliation_strings":["Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","Universit\u00e0 di Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Columbia University, 10027, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Dipartimento di Matematica Pura ed Applicata, Universit\u00e0 de L'Aquila, Italy","institution_ids":["https://openalex.org/I26415053","https://openalex.org/I4210157811"]},{"raw_affiliation_string":"IASI-CNR, Viale Manzoni 30, 00185, Roma, Italy","institution_ids":["https://openalex.org/I4210162062"]},{"raw_affiliation_string":"Universit\u00e0 di Roma, Italy","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":null,"fwci":0.9745,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.77511358,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":"3","first_page":"381","last_page":"393"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9987000226974487,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9980000257492065,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.996399998664856,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/backtracking","display_name":"Backtracking","score":0.8157972097396851},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.575314462184906},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4785500168800354},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4369214177131653},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3407767117023468},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33934128284454346},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.10091710090637207}],"concepts":[{"id":"https://openalex.org/C156884757","wikidata":"https://www.wikidata.org/wiki/Q798554","display_name":"Backtracking","level":2,"score":0.8157972097396851},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.575314462184906},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4785500168800354},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4369214177131653},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3407767117023468},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33934128284454346},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.10091710090637207}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/bf01933257","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01933257","pdf_url":null,"source":{"id":"https://openalex.org/S125499977","display_name":"BIT Numerical Mathematics","issn_l":"0006-3835","issn":["0006-3835","1572-9125"],"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":"BIT","raw_type":"journal-article"},{"id":"pmh:hdl:10068/313150","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/313150","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Y - Progress report"}],"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/W1523292012","https://openalex.org/W1524119773","https://openalex.org/W1540489185","https://openalex.org/W1655990431","https://openalex.org/W1967459785","https://openalex.org/W1976070870","https://openalex.org/W1986022261","https://openalex.org/W1986261983","https://openalex.org/W1987927249","https://openalex.org/W2032259169","https://openalex.org/W2044146725","https://openalex.org/W2084224084","https://openalex.org/W2089620427","https://openalex.org/W2091084079","https://openalex.org/W2101344335","https://openalex.org/W2112962394","https://openalex.org/W2144285030","https://openalex.org/W4242890543"],"related_works":["https://openalex.org/W2760348722","https://openalex.org/W2783885583","https://openalex.org/W2120095724","https://openalex.org/W2368326437","https://openalex.org/W1631221657","https://openalex.org/W2357479099","https://openalex.org/W2364309619","https://openalex.org/W2371864976","https://openalex.org/W2391415040","https://openalex.org/W2788111191"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}