{“id”:“https://openalex.org/W1969990079“,”doi“:”https://doi.org/10.1016/0020-0190(92)90229-o“,”title“:”近似最小成本-最大流量是P-complete“,”display_name“:”接近最小成本-最高流量是P-complete“,”publication_year“:1992,”publiation_date“:”1992-07-01“,”ids“:{”openalex“:”https://openalex.org/W1969990079“,”doi“:”https://doi.org/10.1016/0020-0190(92)90229-o“,”mag“:”1969990079“},”language“:”en“,”primary_location“:{”is_oa“:false,”landing_page_url“:”https://doi.org/10.1016/0020-0190(92)90229-o“,”pdf_url“:空,”源“:{”id“:”https://openalex.org/S147953040“,”display_name“:”信息处理字母“,”issn_l“:”0020-0190“,”isn“:[”0020-0110“,”1872-6119“],”is_oa“:false,”is_ in_doaj“:false,”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“:null,”is_accepted“:false,”is_published“:false},”type“:”article“,”type_crossref“:”journal 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/A5054641291“,”display_name“:”Clifford Stein“,”orcid“:”https://orcid.org/0000-0002-0614-6620“},”机构“:[],”国家“:[”美国“],”is_corresponding“:true,”raw_author_name“:”Clifford Stein“,”raw _ afiliation_strings“:[“麻省理工学院计算机科学实验室,剑桥,MA 02139,美国”]},{“author_position”:“last”,“author”:{“id”:“https://openalex.org/A5048686753“,”display_name“:”Joel Wein“,”orcid“:null},”institutions“:[],”countries“:[”US“],”is_corresponding“:false“,”raw_author_name“:”Joel Wein“,“raw_affiliation_strings”:[”Polytechnic University,Brooklyn,NY 11201,USA“]}],”countries_distict_count“:1,”instissions_distriction_count“:0,”corresponding_author_ids“:[“”https://openalex.org/A5054641291“],”“corresponding_institution_ids”:[],“apc_list”:{“value”:2200,“currency”:“USD”,“value_USD”:2200',“provenance”:“doaj”},“apc _ payed”:{'value“:2200”,“curency”:“US”,“value_USD“:2200,provenance“doaj}”,“has_fulltext”:true,“fulltext_origin”:”ngrams“,”cited_by_count“:11,”cited_by_percentile_年份:{“min”:81,“max”:82},“biblio”:{卷:“42”,“issue”:“6”,“first_page:“315”,“last_page”:“319”},“is_retracted”:false,“is_paratext”:fase,“primary_topic”:{“id”:“https://openalex.org/T10963“,”“display_name”:“数值优化技术”,“score”:0.9826,“subfield”:{“id”:“https://openalex.org/subfields/2612“,”display_name“:”数值分析“},”字段“:{”id“:”https://openalex.org/fields/26“,”display_name“:”Mathematics“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},”主题“:[{”id“:”https://openalex.org/T10963“,”“display_name”:“数值优化技术”,“score”:0.9826,“subfield”:{“id”:“https://openalex.org/subfields/2612“,”display_name“:”数值分析“},”字段“:{”id“:”https://openalex.org/fields/26“,”display_name“:”Mathematics“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},{”id“:”https://openalex.org/T11697“,”“display_name”:“科学计算中的浮点运算”,“score”:0.9695,“subfield”:{“id”:“https://openalex.org/subfields/1703“,”display_name“:”计算理论与数学“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}},{”id“:”https://openalex.org/T11435“,”“display_name”:“代数几何和密码学中的符号计算”,“score”:0.9433,“subfield”:{“id”:“https://openalex.org/subfields/1703“,”display_name“:”计算理论与数学“},”字段“:{”id“:”https://openalex.org/fields/17“,”display_name“:”Computer Science“},”domain“:{”id“:”https://openalex.org/domains/3“,”display_name“:”物理科学“}}],”关键词“:[{”id“:”https://openalex.org/keywords/floating-point-arithmetic“,”display_name“:”浮点算术“,”score“:0.463031}],”concepts“:[{”id“:”https://openalex.org/C157469704,“wikidata”:https://www.wikidata.org/wiki/Q2585642“,”display_name“:”最大流量问题“,”level“:2,”score“:0.82655656},{”id“:”https://openalex.org/C99545648,“wikidata”:https://www.wikidata.org/wiki/Q2897180“,”display_name“:”最小成本流问题“,”level“:3,”score“:0.66656333},{”id“:”https://openalex.org/C33923547,“wikidata”:https://www.wikidata.org/wiki/Q395“,”display_name“:”数学“,”等级“:0,”分数“:0.63840586},{”id“:”https://openalex.org/C2776291640,“wikidata”:https://www.wikidata.org/wiki/Q2912517“,”display_name“:”Value(mathematics)“,”level“:2,”score“:0.54906005},{”id“:”https://openalex.org/C38349280,“wikidata”:https://www.wikidata.org/wiki/Q1434290“,”display_name“:”Flow(数学)“,”level“:2,”score“:0.54171073},{”id“:”https://openalex.org/C114614502,“wikidata”:https://www.wikidata.org/wiki/Q76592“,”display_name“:”组合数学“,”level“:1,”score“:0.44994348},{”id“:”https://openalex.org/C126255220,“wikidata”:https://www.wikidata.org/wiki/Q141495“,”display_name“:”数学优化“,”level“:1,”score“:0.3267601},{”id“:”https://openalex.org/C114809511,“wikidata”:https://www.wikidata.org/wiki/Q1412924“,”display_name“:”Flow network“,”level“:2,”score“:0.2070789},{”id“:”https://openalex.org/C105795698,“wikidata”:https://www.wikidata.org/wiki/Q12483“,”display_name“:”Statistics“,”level“:1,”score“:0.18004683},{”id“:”https://openalex.org/C2524010,“wikidata”:https://www.wikidata.org/wiki/Q8087“,”display_name“:”Geometry“,”level“:1,”score“:0.101617426}],”mesh“:[],”locations_count“:1.”locations“:[{”is_oa“:false,”landing_page_url“:”https://doi.org/10.1016/0020-0190(92)90229-o“,”pdf_url“:空,”源“:{”id“:”https://openalex.org/S147953040“,”display_name“:”信息处理字母“,”issn_l“:”0020-0190“,”isn“:[”0020-0110“,”1872-6119“],”is_oa“:false,”is_ in_doaj“:false,”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,“licence_id”:null,“version”:null,“is_accepted”:false,“is_published”:false}],“best_oa_location”:nul,“sustainable_development_goals”:[],“grants”:[],“datasets”:【】,“versions”:[】,“referenced_works_count”:5,“referrenced_works”:https://openalex.org/W1928579696","https://openalex.org/W2029091075","https://openalex.org/W2059378738","https://openalex.org/W2132750992","https://openalex.org/W2134752560“],”related_works“:[”https://openalex.org/W4311255633","https://openalex.org/W4297894118","https://openalex.org/W3161514703","https://openalex.org/W3141113327","https://openalex.org/W3035974271","https://openalex.org/W2625547693","https://openalex.org/W2182648737","https://openalex.org/W2098682899","https://openalex.org/W2018732369","https://openalex.org/W1994440468“],”ngrams_url“:”https://api.openalex.org/works/W1969990079/ngrams“,”abstract_inverted_index“:{”We“:[0],”show“:[1],”that“:[2],”it“:[3],”is“:[4],”不可能,“:[5],”in“:[6],”NC“:[7],”to“:[8],”approximative“:[9],”the“:[10,13],”value“:[11],”of“:[12],”minimum-cost“:[14],“maximum”:[15],“flow”:[16],“除非”:[17],“P”:[18],“=”:[19],“NC.”:[20]},“cited_by_api_url”:“https://api.openalex.org/works?filter=cites:W1969990079“,”“counts_by_year”:[{“年份”:2021,”“cited_by_count”:1},{“年”:2019,”“引用的_by_cunt”:1},}“年度”:2018