{"id":"https://openalex.org/W2902230079","doi":"https://doi.org/10.1109/tsc.2018.2886885","title":"Optimized Portfolio Contracts for Bidding the Cloud","display_name":"Optimized Portfolio Contracts for Bidding the Cloud","publication_year":2018,"publication_date":"2018-12-14","ids":{"openalex":"https://openalex.org/W2902230079","doi":"https://doi.org/10.1109/tsc.2018.2886885","mag":"2902230079"},"language":"en","primary_location":{"id":"doi:10.1109/tsc.2018.2886885","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2018.2886885","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","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/A5100354659","display_name":"Yang Zhang","orcid":"https://orcid.org/0000-0002-2739-1916"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yang Zhang","raw_affiliation_strings":["School of Industrial Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Industrial Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022713299","display_name":"Arnob Ghosh","orcid":"https://orcid.org/0000-0003-0793-7536"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arnob Ghosh","raw_affiliation_strings":["School of Industrial Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":"https://orcid.org/0000-0003-0793-7536","affiliations":[{"raw_affiliation_string":"School of Industrial Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064822688","display_name":"Vaneet Aggarwal","orcid":"https://orcid.org/0000-0001-9131-4723"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vaneet Aggarwal","raw_affiliation_strings":["School of Industrial Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":"https://orcid.org/0000-0001-9131-4723","affiliations":[{"raw_affiliation_string":"School of Industrial Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":1.4587,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.88695849,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"14","issue":"5","first_page":"1505","last_page":"1518"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10067","display_name":"Stochastic processes and financial applications","score":0.9799000024795532,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"Finance"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.978600025177002,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/bidding","display_name":"Bidding","score":0.8814753890037537},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7509765625},{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.6166671514511108},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5365493297576904},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5213733315467834},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4780086278915405},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.3771933615207672},{"id":"https://openalex.org/keywords/microeconomics","display_name":"Microeconomics","score":0.19087699055671692},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.1536039412021637},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1262502670288086},{"id":"https://openalex.org/keywords/finance","display_name":"Finance","score":0.11051726341247559}],"concepts":[{"id":"https://openalex.org/C9233905","wikidata":"https://www.wikidata.org/wiki/Q3276328","display_name":"Bidding","level":2,"score":0.8814753890037537},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7509765625},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.6166671514511108},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5365493297576904},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5213733315467834},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4780086278915405},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3771933615207672},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.19087699055671692},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.1536039412021637},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1262502670288086},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.11051726341247559},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsc.2018.2886885","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2018.2886885","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1996399137","display_name":"CIF:  Small: Collaborative Research: Communications with Energy Harvesting Nodes","funder_award_id":"1527486","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5814912436","display_name":"NeTS: Small: Collaborative Research: Rethinking Erasure Codes for Cloud Storage: A Quantitative Framework for Latency, Reliability, and Cost Optimization","funder_award_id":"1618335","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1522207511","https://openalex.org/W1560897826","https://openalex.org/W1970017061","https://openalex.org/W2009569367","https://openalex.org/W2013275264","https://openalex.org/W2037720234","https://openalex.org/W2039596445","https://openalex.org/W2039751786","https://openalex.org/W2061543396","https://openalex.org/W2066615467","https://openalex.org/W2082819362","https://openalex.org/W2084603067","https://openalex.org/W2088723799","https://openalex.org/W2109125344","https://openalex.org/W2116405180","https://openalex.org/W2134839139","https://openalex.org/W2139678181","https://openalex.org/W2142899018","https://openalex.org/W2161900255","https://openalex.org/W2169058374","https://openalex.org/W2336975770","https://openalex.org/W2342761116","https://openalex.org/W2417036297","https://openalex.org/W2527855297","https://openalex.org/W2606207877","https://openalex.org/W3125868218","https://openalex.org/W6633359502","https://openalex.org/W6677513911"],"related_works":["https://openalex.org/W2355561715","https://openalex.org/W2355326491","https://openalex.org/W2389286292","https://openalex.org/W2360751371","https://openalex.org/W2387920521","https://openalex.org/W2389754756","https://openalex.org/W2382224273","https://openalex.org/W2373538886","https://openalex.org/W2360290312","https://openalex.org/W2369836678"],"abstract_inverted_index":{"Amazon":[0,204],"EC2":[1,205],"provides":[2],"two":[3],"most":[4,142],"popular":[5],"pricing":[6],"schemes\u2013i)":[7],"thecostlyon-demand":[8],"instance":[9,21,139,170],"where":[10,22,218],"the":[11,50,55,58,61,67,72,82,104,116,128,131,137,145,155,164,168,172,178,184,187,193,197,203,215,219,224,233],"job":[12,24,62,101,132,146],"is":[13,140,158,175],"guaranteed":[14],"to":[15,41,48,63,80,121,133,190,232],"be":[16,26,64,122,134,212],"completed,":[17],"and":[18,38,57,78,102,106,160],"ii)":[19],"thecheapspot":[20],"a":[23,30,34,43,111,148],"may":[25],"interrupted.":[27],"We":[28,70,85],"consider":[29,86],"user":[31,165],"can":[32,211],"select":[33],"combination":[35],"of":[36,60,130,186,192,223],"on-demand":[37,68,138,169],"spot":[39],"instances":[40],"finish":[42],"task.":[44],"Thus":[45],"he":[46],"needs":[47],"find":[49,81],"optimal":[51,83],"bidding":[52,88,156],"price":[53,157],"for":[54,99],"spot-instance,":[56],"portion":[59,129],"run":[65,135],"on":[66,113,136,202,214],"instance.":[69],"formulate":[71],"problem":[73,77,118],"as":[74],"an":[75],"optimization":[76,117],"seek":[79],"solution.":[84],"three":[87],"strategies:":[89],"one-time":[90,95],"requests":[91,96],"with":[92,97],"expected":[93,220],"guarantee,":[94],"penalty":[98,112],"incomplete":[100,114],"violating":[103],"deadline,":[105,154],"persistent":[107],"requests.":[108],"Even":[109],"without":[110],"jobs,":[115],"turns":[119],"out":[120],"non-convex.":[123],"Nevertheless,":[124],"we":[125],"show":[126],"that":[127,208],"at":[141],"half.":[143],"If":[144],"has":[147],"higher":[149,159],"execution":[150,173],"time":[151,174],"or":[152],"smaller":[153,176],"vice":[161],"versa.":[162],"Additionally,":[163],"never":[166],"selects":[167],"if":[171],"than":[177],"deadline.":[179],"The":[180],"numerical":[181],"results":[182],"illustrate":[183],"sensitivity":[185],"effective":[188],"portfolio":[189],"several":[191],"parameters":[194],"involved":[195],"in":[196],"model.":[198],"Our":[199],"empirical":[200],"analysis":[201],"data":[206],"shows":[207],"our":[209],"strategies":[210],"employed":[213],"real":[216],"instances,":[217],"total":[221],"cost":[222],"proposed":[225],"scheme":[226],"decreases":[227],"over":[228],"45":[229],"percent":[230],"compared":[231],"baseline":[234],"strategy.":[235]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-08-06T08:24:18.245995","created_date":"2025-10-10T00:00:00"}