{"id":"https://openalex.org/W4389162118","doi":"https://doi.org/10.1145/3611643.3616254","title":"LExecutor: Learning-Guided Execution","display_name":"LExecutor: Learning-Guided Execution","publication_year":2023,"publication_date":"2023-11-30","ids":{"openalex":"https://openalex.org/W4389162118","doi":"https://doi.org/10.1145/3611643.3616254"},"language":"en","primary_location":{"id":"doi:10.1145/3611643.3616254","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3611643.3616254","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering","raw_type":"proceedings-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/A5107245746","display_name":"Beatriz Souza","orcid":"https://orcid.org/0000-0001-7978-719X"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Beatriz Souza","raw_affiliation_strings":["University of Stuttgart, Stuttgart, Germany"],"affiliations":[{"raw_affiliation_string":"University of Stuttgart, Stuttgart, Germany","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013438083","display_name":"Michael Pradel","orcid":"https://orcid.org/0000-0003-1623-498X"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Pradel","raw_affiliation_strings":["University of Stuttgart, Stuttgart, Germany"],"affiliations":[{"raw_affiliation_string":"University of Stuttgart, Stuttgart, Germany","institution_ids":["https://openalex.org/I100066346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5107245746"],"corresponding_institution_ids":["https://openalex.org/I100066346"],"apc_list":null,"apc_paid":null,"fwci":5.4184,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.96062666,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1522","last_page":"1534"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"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/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"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":0.9991000294685364,"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"}},{"id":"https://openalex.org/T12423","display_name":"Software Reliability and Analysis Research","score":0.998199999332428,"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/computer-science","display_name":"Computer science","score":0.8815436959266663},{"id":"https://openalex.org/keywords/python","display_name":"Python (programming language)","score":0.839830219745636},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.6650065779685974},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6181721687316895},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.5790954828262329},{"id":"https://openalex.org/keywords/open-source","display_name":"Open source","score":0.45283743739128113},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4368831515312195},{"id":"https://openalex.org/keywords/static-analysis","display_name":"Static analysis","score":0.4259647727012634},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.36542636156082153},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.32476598024368286},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.28364089131355286},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2542775869369507},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.08918347954750061}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8815436959266663},{"id":"https://openalex.org/C519991488","wikidata":"https://www.wikidata.org/wiki/Q28865","display_name":"Python (programming language)","level":2,"score":0.839830219745636},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6650065779685974},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6181721687316895},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.5790954828262329},{"id":"https://openalex.org/C3018397939","wikidata":"https://www.wikidata.org/wiki/Q3644502","display_name":"Open source","level":3,"score":0.45283743739128113},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4368831515312195},{"id":"https://openalex.org/C97686452","wikidata":"https://www.wikidata.org/wiki/Q7604153","display_name":"Static analysis","level":2,"score":0.4259647727012634},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.36542636156082153},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32476598024368286},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.28364089131355286},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2542775869369507},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.08918347954750061}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3611643.3616254","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3611643.3616254","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.6899999976158142,"display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G1429890386","display_name":null,"funder_award_id":"(CNPq","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G2220875397","display_name":null,"funder_award_id":"ConcSys","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"},{"id":"https://openalex.org/G3601516360","display_name":null,"funder_award_id":"Brazil","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G5079005330","display_name":null,"funder_award_id":"support","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G8464931132","display_name":null,"funder_award_id":"Process","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":58,"referenced_works":["https://openalex.org/W1971650562","https://openalex.org/W2010608861","https://openalex.org/W2011458734","https://openalex.org/W2089745089","https://openalex.org/W2093938715","https://openalex.org/W2096449544","https://openalex.org/W2107709519","https://openalex.org/W2108632968","https://openalex.org/W2113888205","https://openalex.org/W2138788987","https://openalex.org/W2156351739","https://openalex.org/W2156981320","https://openalex.org/W2172260321","https://openalex.org/W2282866165","https://openalex.org/W2296467253","https://openalex.org/W2604507227","https://openalex.org/W2605202003","https://openalex.org/W2777430404","https://openalex.org/W2780762329","https://openalex.org/W2794601162","https://openalex.org/W2795362139","https://openalex.org/W2805788202","https://openalex.org/W2806718802","https://openalex.org/W2888822874","https://openalex.org/W2899384793","https://openalex.org/W2954950681","https://openalex.org/W2955426500","https://openalex.org/W2955968478","https://openalex.org/W2964150020","https://openalex.org/W2981852735","https://openalex.org/W3018033251","https://openalex.org/W3033775865","https://openalex.org/W3039183210","https://openalex.org/W3043761819","https://openalex.org/W3045595218","https://openalex.org/W3089183726","https://openalex.org/W3091730360","https://openalex.org/W3100869085","https://openalex.org/W3104449953","https://openalex.org/W3105735055","https://openalex.org/W3160155705","https://openalex.org/W3163046698","https://openalex.org/W3163379266","https://openalex.org/W3194813479","https://openalex.org/W3206530090","https://openalex.org/W4206312123","https://openalex.org/W4206756860","https://openalex.org/W4221163120","https://openalex.org/W4225791314","https://openalex.org/W4242126179","https://openalex.org/W4281611258","https://openalex.org/W4284665627","https://openalex.org/W4284674325","https://openalex.org/W4284685949","https://openalex.org/W4284687350","https://openalex.org/W4284693828","https://openalex.org/W4288089799","https://openalex.org/W4308643019"],"related_works":["https://openalex.org/W3080200277","https://openalex.org/W2557718140","https://openalex.org/W67092138","https://openalex.org/W4225687299","https://openalex.org/W2789551765","https://openalex.org/W2113128227","https://openalex.org/W632256878","https://openalex.org/W4245904369","https://openalex.org/W2019168903","https://openalex.org/W4211197663"],"abstract_inverted_index":{"Executing":[0],"code":[1,33,63,125,132,167,177,184,195],"is":[2,34,72],"essential":[3],"for":[4,22,60,104],"various":[5],"program":[6,86],"analysis":[7],"tasks,":[8],"e.g.,":[9,39],"to":[10,18,73,87,91,115,153],"detect":[11],"bugs":[12],"that":[13,81],"manifest":[14],"through":[15],"exceptions":[16],"or":[17],"obtain":[19],"execution":[20],"traces":[21],"further":[23],"dynamic":[24],"analysis.":[25],"How-":[26],"ever,":[27],"executing":[28,61,175,181],"an":[29,66,145],"arbitrary":[30,62],"piece":[31],"of":[32,41,113,190,204],"often":[35],"difficult":[36],"in":[37,65],"practice,":[38],"because":[40,193],"missing":[42,50,79,117],"variable":[43],"definitions,":[44],"miss-":[45],"ing":[46],"user":[47],"inputs,":[48],"and":[49,90,109,130,149],"third-party":[51],"dependencies.":[52],"This":[53],"paper":[54],"presents":[55],"LExecutor,":[56],"a":[57,75,159,202],"learning-guided":[58],"approach":[59,122,162],"snippets":[64,133,185],"underconstrained":[67],"way.":[68],"The":[69,138],"key":[70],"idea":[71],"let":[74],"neural":[76,139],"model":[77,140],"predict":[78],"values":[80,94,103,112,143],"otherwise":[82,105,116],"would":[83],"cause":[84],"the":[85,96,121,161,176,182,194],"get":[88],"stuck,":[89],"inject":[92],"these":[93],"into":[95],"execution.":[97],"For":[98,179],"example,":[99,180],"LExecutor":[100,152,200],"injects":[101],"likely":[102,110],"undefined":[106],"vari-":[107],"ables":[108],"return":[111],"calls":[114],"functions.":[118],"We":[119],"evaluate":[120],"on":[123,131],"Python":[124],"from":[126,135],"popular":[127],"open-source":[128,183],"projects":[129],"extracted":[134],"Stack":[136],"Overflow.":[137],"predicts":[141],"realistic":[142],"with":[144],"accuracy":[146],"between":[147],"79.5%":[148],"98.2%,":[150],"allowing":[151],"closely":[154],"mimic":[155],"real":[156],"executions.":[157],"As":[158],"result,":[160],"successfully":[163],"executes":[164],"significantly":[165],"more":[166],"than":[168],"any":[169],"available":[170],"technique,":[171],"such":[172],"as":[173],"simply":[174],"as-is.":[178],"as-is":[186],"covers":[187],"only":[188],"4.1%":[189],"all":[191],"lines,":[192],"crashes":[196],"early":[197],"on,":[198],"whereas":[199],"achieves":[201],"coverage":[203],"51.6%.":[205]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4}],"updated_date":"2026-04-14T08:04:32.555800","created_date":"2025-10-10T00:00:00"}