{"id":"https://openalex.org/W4220691208","doi":"https://doi.org/10.1145/3492321.3519575","title":"Unicorn","display_name":"Unicorn","publication_year":2022,"publication_date":"2022-03-28","ids":{"openalex":"https://openalex.org/W4220691208","doi":"https://doi.org/10.1145/3492321.3519575"},"language":"en","primary_location":{"id":"doi:10.1145/3492321.3519575","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3492321.3519575","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3492321.3519575","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Seventeenth European Conference on Computer Systems","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3492321.3519575","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058338515","display_name":"Md Shahriar Iqbal","orcid":"https://orcid.org/0000-0001-5116-9429"},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Md Shahriar Iqbal","raw_affiliation_strings":["University of South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Carolina","institution_ids":["https://openalex.org/I155781252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059912927","display_name":"Rahul Krishna","orcid":"https://orcid.org/0000-0002-5899-6651"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rahul Krishna","raw_affiliation_strings":["IBM Research"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011786801","display_name":"Mohammad Ali Javidian","orcid":"https://orcid.org/0000-0001-8911-0967"},"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":"Mohammad Ali Javidian","raw_affiliation_strings":["Purdue University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064541855","display_name":"Baishakhi Ray","orcid":"https://orcid.org/0000-0003-3406-5235"},"institutions":[{"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":["US"],"is_corresponding":false,"raw_author_name":"Baishakhi Ray","raw_affiliation_strings":["Columbia University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064540250","display_name":"Pooyan Jamshidi","orcid":"https://orcid.org/0000-0002-9342-0703"},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pooyan Jamshidi","raw_affiliation_strings":["University of South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Carolina","institution_ids":["https://openalex.org/I155781252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":59,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"199","last_page":"217"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.9998000264167786,"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/T12127","display_name":"Software System Performance and Reliability","score":0.9998000264167786,"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/T10260","display_name":"Software Engineering Research","score":0.9997000098228455,"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/T10743","display_name":"Software Testing and Debugging Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/unicorn","display_name":"Unicorn","score":0.9065200090408325},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8148033618927002},{"id":"https://openalex.org/keywords/debugging","display_name":"Debugging","score":0.7588299512863159},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.5664830207824707},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4739537239074707},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4732319116592407},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.4652335047721863},{"id":"https://openalex.org/keywords/analytics","display_name":"Analytics","score":0.4431934952735901},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.41178059577941895},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.24993467330932617},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.24593526124954224}],"concepts":[{"id":"https://openalex.org/C2780734062","wikidata":"https://www.wikidata.org/wiki/Q3549947","display_name":"Unicorn","level":2,"score":0.9065200090408325},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8148033618927002},{"id":"https://openalex.org/C168065819","wikidata":"https://www.wikidata.org/wiki/Q845566","display_name":"Debugging","level":2,"score":0.7588299512863159},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.5664830207824707},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4739537239074707},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4732319116592407},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.4652335047721863},{"id":"https://openalex.org/C79158427","wikidata":"https://www.wikidata.org/wiki/Q485396","display_name":"Analytics","level":2,"score":0.4431934952735901},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.41178059577941895},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.24993467330932617},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.24593526124954224},{"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:10.1145/3492321.3519575","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3492321.3519575","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3492321.3519575","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Seventeenth European Conference on Computer Systems","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3492321.3519575","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3492321.3519575","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3492321.3519575","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Seventeenth European Conference on Computer Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2607332688","display_name":"Collaborative Research: CNS Core: Small: SmartSight: an AI-Based Computing Platform to Assist Blind and Visually Impaired People","funder_award_id":"2007202","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3633144602","display_name":null,"funder_award_id":"2007202, 2107463, 2038080","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6204401835","display_name":"Collaborative Research: SHF: Medium: Causal Performance Debugging for Highly-Configurable Systems","funder_award_id":"2107463","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6627317568","display_name":null,"funder_award_id":"80NSSC20K1720, 521418-SC","funder_id":"https://openalex.org/F4320334116","funder_display_name":"NASA Headquarters"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320322037","display_name":"Nuclear Safety and Security Commission","ror":"https://ror.org/05qk3ge34"},{"id":"https://openalex.org/F4320334116","display_name":"NASA Headquarters","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4220691208.pdf","grobid_xml":"https://content.openalex.org/works/W4220691208.grobid-xml"},"referenced_works_count":73,"referenced_works":["https://openalex.org/W23465637","https://openalex.org/W60686164","https://openalex.org/W74931915","https://openalex.org/W1564638059","https://openalex.org/W1992748711","https://openalex.org/W1993828811","https://openalex.org/W1994411654","https://openalex.org/W2008949474","https://openalex.org/W2018475799","https://openalex.org/W2025045787","https://openalex.org/W2042154985","https://openalex.org/W2047003964","https://openalex.org/W2047162235","https://openalex.org/W2055906872","https://openalex.org/W2066787289","https://openalex.org/W2067432065","https://openalex.org/W2072617662","https://openalex.org/W2084020394","https://openalex.org/W2084627971","https://openalex.org/W2105691657","https://openalex.org/W2111444234","https://openalex.org/W2122124659","https://openalex.org/W2130136915","https://openalex.org/W2134240743","https://openalex.org/W2145064897","https://openalex.org/W2148974547","https://openalex.org/W2519791237","https://openalex.org/W2521352760","https://openalex.org/W2522470548","https://openalex.org/W2531409750","https://openalex.org/W2573379974","https://openalex.org/W2582827793","https://openalex.org/W2604272474","https://openalex.org/W2604879234","https://openalex.org/W2605705966","https://openalex.org/W2772228651","https://openalex.org/W2787456385","https://openalex.org/W2793051425","https://openalex.org/W2888320967","https://openalex.org/W2889801262","https://openalex.org/W2895690683","https://openalex.org/W2898888361","https://openalex.org/W2912296587","https://openalex.org/W2931082320","https://openalex.org/W2962681511","https://openalex.org/W2962948349","https://openalex.org/W2964298054","https://openalex.org/W3000133794","https://openalex.org/W3015267744","https://openalex.org/W3021562338","https://openalex.org/W3027678148","https://openalex.org/W3032244227","https://openalex.org/W3032405843","https://openalex.org/W3035061803","https://openalex.org/W3047564823","https://openalex.org/W3100654115","https://openalex.org/W3103458997","https://openalex.org/W3103539622","https://openalex.org/W3106278391","https://openalex.org/W3135588948","https://openalex.org/W3139310389","https://openalex.org/W3160685084","https://openalex.org/W3194474814","https://openalex.org/W4244284331","https://openalex.org/W4246855055","https://openalex.org/W4252148751","https://openalex.org/W4284705042","https://openalex.org/W4301884499","https://openalex.org/W4302423442","https://openalex.org/W6600106573","https://openalex.org/W6631177957","https://openalex.org/W6631500773","https://openalex.org/W6756046586"],"related_works":["https://openalex.org/W2499383284","https://openalex.org/W627165546","https://openalex.org/W3108531707","https://openalex.org/W624306106","https://openalex.org/W3094478971","https://openalex.org/W3112272529","https://openalex.org/W4382024023","https://openalex.org/W2196282080","https://openalex.org/W590261533","https://openalex.org/W190835823"],"abstract_inverted_index":{"Modern":[0],"computer":[1],"systems":[2],"are":[3],"highly":[4,29,111],"configurable,":[5],"with":[6,155],"the":[7,14,19,25,90,160,163],"total":[8],"variability":[9],"space":[10],"sometimes":[11],"larger":[12],"than":[13],"number":[15],"of":[16,28],"atoms":[17],"in":[18,58,145],"universe.":[20],"Understanding":[21],"and":[22,35,45,65,93,127,142,152],"reasoning":[23],"about":[24],"performance":[26,43,101,140,150,166,170],"behavior":[27],"configurable":[30,112],"systems,":[31,113,119],"over":[32],"a":[33,76,120,123,128],"vast":[34],"variable":[36],"space,":[37],"is":[38],"challenging.":[39],"State-of-the-art":[40],"methods":[41,144],"for":[42,149,171],"modeling":[44],"analyses":[46],"rely":[47],"on":[48,109],"predictive":[49],"machine":[50,117],"learning":[51,118],"models,":[52],"therefore,":[53],"they":[54],"become":[55],"(i)":[56,82],"unreliable":[57],"unseen":[59],"environments":[60],"(e.g.,":[61],"different":[62],"hardware,":[63],"workloads),":[64],"(ii)":[66,94],"may":[67],"produce":[68],"incorrect":[69],"explanations.":[70],"To":[71],"tackle":[72],"this,":[73],"we":[74],"propose":[75],"new":[77,172],"method,":[78],"called":[79],"Unicorn,":[80],"which":[81],"captures":[83],"intricate":[84],"interactions":[85,98],"between":[86],"configuration":[87],"options":[88],"across":[89],"software-hardware":[91],"stack":[92],"describes":[95],"how":[96],"such":[97],"can":[99],"impact":[100],"variations":[102],"via":[103],"causal":[104,165],"inference.":[105],"We":[106],"evaluated":[107],"Unicorn":[108,137],"six":[110],"including":[114],"three":[115],"on-device":[116],"video":[121],"encoder,":[122],"database":[124],"management":[125],"system,":[126],"data":[129],"analytics":[130],"pipeline.":[131],"The":[132],"experimental":[133],"results":[134],"indicate":[135],"that":[136],"outperforms":[138],"state-of-the-art":[139],"debugging":[141],"optimization":[143],"finding":[146,153],"effective":[147],"repairs":[148],"faults":[151],"configurations":[154],"near-optimal":[156],"performance.":[157],"Further,":[158],"unlike":[159],"existing":[161],"methods,":[162],"learned":[164],"models":[167],"reliably":[168],"predict":[169],"environments.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":34},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2022-04-03T00:00:00"}