{"id":"https://openalex.org/W2059864195","doi":"https://doi.org/10.1002/net.3230220302","title":"The generalized <i>P</i>\u2010forest problem on a tree network","display_name":"The generalized <i>P</i>\u2010forest problem on a tree network","publication_year":1992,"publication_date":"1992-05-01","ids":{"openalex":"https://openalex.org/W2059864195","doi":"https://doi.org/10.1002/net.3230220302","mag":"2059864195"},"language":"en","primary_location":{"id":"doi:10.1002/net.3230220302","is_oa":false,"landing_page_url":"https://doi.org/10.1002/net.3230220302","pdf_url":null,"source":{"id":"https://openalex.org/S191798613","display_name":"Networks","issn_l":"0028-3045","issn":["0028-3045","1097-0037"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Networks","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/A5045101054","display_name":"Arie Tamir","orcid":null},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Arie Tamir","raw_affiliation_strings":["Department of Statistics Tel Aviv University Ramat-Aviv, Tel Aviv 66978 Israel","Department of Statistics Tel Aviv University Ramat\u2010Aviv, Tel Aviv 66978 Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Statistics Tel Aviv University Ramat-Aviv, Tel Aviv 66978 Israel","institution_ids":["https://openalex.org/I16391192"]},{"raw_affiliation_string":"Department of Statistics Tel Aviv University Ramat\u2010Aviv, Tel Aviv 66978 Israel","institution_ids":["https://openalex.org/I16391192"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102987979","display_name":"Timothy J. Lowe","orcid":"https://orcid.org/0000-0002-0426-8122"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Timothy J. Lowe","raw_affiliation_strings":["College of Busineess Administration University of Iowa Iowa City, Iowa 52242"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Busineess Administration University of Iowa Iowa City, Iowa 52242","institution_ids":["https://openalex.org/I126307644"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5045101054"],"corresponding_institution_ids":["https://openalex.org/I16391192"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":0.9517,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.80105945,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"22","issue":"3","first_page":"217","last_page":"230"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11502","display_name":"Facility Location and Emergency Management","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11502","display_name":"Facility Location and Emergency Management","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10567","display_name":"Vehicle Routing Optimization Methods","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T12288","display_name":"Optimization and Search Problems","score":0.9933000206947327,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.741241455078125},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4927676022052765},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.46728429198265076},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.45345377922058105},{"id":"https://openalex.org/keywords/tree-network","display_name":"Tree network","score":0.4506809413433075},{"id":"https://openalex.org/keywords/steiner-tree-problem","display_name":"Steiner tree problem","score":0.44410303235054016},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4430685341358185},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.4270571768283844},{"id":"https://openalex.org/keywords/k-ary-tree","display_name":"K-ary tree","score":0.42239224910736084},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3878546953201294},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.36229583621025085},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.3076205849647522},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.11487719416618347}],"concepts":[{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.741241455078125},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4927676022052765},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.46728429198265076},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.45345377922058105},{"id":"https://openalex.org/C2781010653","wikidata":"https://www.wikidata.org/wiki/Q12056602","display_name":"Tree network","level":3,"score":0.4506809413433075},{"id":"https://openalex.org/C76220878","wikidata":"https://www.wikidata.org/wiki/Q1764144","display_name":"Steiner tree problem","level":2,"score":0.44410303235054016},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4430685341358185},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.4270571768283844},{"id":"https://openalex.org/C100560664","wikidata":"https://www.wikidata.org/wiki/Q3608019","display_name":"K-ary tree","level":4,"score":0.42239224910736084},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3878546953201294},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.36229583621025085},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.3076205849647522},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.11487719416618347},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/net.3230220302","is_oa":false,"landing_page_url":"https://doi.org/10.1002/net.3230220302","pdf_url":null,"source":{"id":"https://openalex.org/S191798613","display_name":"Networks","issn_l":"0028-3045","issn":["0028-3045","1097-0037"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Networks","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5699999928474426,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W137518793","https://openalex.org/W1535011786","https://openalex.org/W1849639730","https://openalex.org/W1974842439","https://openalex.org/W1984953641","https://openalex.org/W1991466654","https://openalex.org/W2000763268","https://openalex.org/W2008167159","https://openalex.org/W2008593696","https://openalex.org/W2010140631","https://openalex.org/W2012194824","https://openalex.org/W2030399290","https://openalex.org/W2032534281","https://openalex.org/W2042997334","https://openalex.org/W2043869641","https://openalex.org/W2045254727","https://openalex.org/W2048880266","https://openalex.org/W2061796769","https://openalex.org/W2078667951","https://openalex.org/W2083155966","https://openalex.org/W2085579980","https://openalex.org/W2086292024","https://openalex.org/W2091044862","https://openalex.org/W2124174877","https://openalex.org/W2157047836","https://openalex.org/W2211267191","https://openalex.org/W2312584017","https://openalex.org/W2606195968","https://openalex.org/W2914332956","https://openalex.org/W4255296422","https://openalex.org/W4302399279"],"related_works":["https://openalex.org/W1524393328","https://openalex.org/W2739242419","https://openalex.org/W2021517364","https://openalex.org/W4244816249","https://openalex.org/W2150253898","https://openalex.org/W1595291551","https://openalex.org/W2183636263","https://openalex.org/W2045906087","https://openalex.org/W3042441286","https://openalex.org/W2090953203"],"abstract_inverted_index":{"Abstract":[0],"In":[1,29],"two":[2],"recent":[3],"papers,":[4],"similar":[5],"multifacility":[6],"problems":[7,24,41],"on":[8],"tree":[9],"networks":[10],"were":[11],"studied":[12],"where":[13],"facilities":[14],"are":[15],"subtrees":[16],"of":[17,22],"the":[18,23,39,52],"tree.":[19],"The":[20],"complexity":[21],"was":[25],"left":[26],"as":[27,42],"open.":[28],"this":[30],"paper,":[31],"we":[32],"formulate":[33],"a":[34,47],"general":[35,53],"model":[36],"that":[37],"includes":[38],"above\u2010cited":[40],"special":[43],"cases":[44],"and":[45],"give":[46],"polynomial":[48],"algorithm":[49],"to":[50],"solve":[51],"model.":[54]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}
