{"id":"https://openalex.org/W4416828803","doi":"https://doi.org/10.1016/j.jss.2025.112714","title":"CREST: Improving interpretability and effectiveness of troubleshooting at ericsson through criterion-Specific trouble report retrieval","display_name":"CREST: Improving interpretability and effectiveness of troubleshooting at ericsson through criterion-Specific trouble report retrieval","publication_year":2025,"publication_date":"2025-11-30","ids":{"openalex":"https://openalex.org/W4416828803","doi":"https://doi.org/10.1016/j.jss.2025.112714"},"language":"en","primary_location":{"id":"doi:10.1016/j.jss.2025.112714","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jss.2025.112714","pdf_url":null,"source":{"id":"https://openalex.org/S37879656","display_name":"Journal of Systems and Software","issn_l":"0164-1212","issn":["0164-1212","1873-1228"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Systems and Software","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.jss.2025.112714","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056802275","display_name":"Soroush Javdan","orcid":"https://orcid.org/0000-0001-7915-8254"},"institutions":[{"id":"https://openalex.org/I4210094041","display_name":"Ericsson (Canada)","ror":"https://ror.org/00nas2c56","country_code":"CA","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210094041"]},{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Soroush Javdan","raw_affiliation_strings":["Carleton University, Ottawa, Canada","Ericsson Canada Inc., Ottawa, Canada"],"raw_orcid":"https://orcid.org/0000-0001-7915-8254","affiliations":[{"raw_affiliation_string":"Carleton University, Ottawa, Canada","institution_ids":["https://openalex.org/I67031392"]},{"raw_affiliation_string":"Ericsson Canada Inc., Ottawa, Canada","institution_ids":["https://openalex.org/I4210094041"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Pragash Krishnamoorthy","orcid":"https://orcid.org/0009-0002-5825-0363"},"institutions":[{"id":"https://openalex.org/I4210094041","display_name":"Ericsson (Canada)","ror":"https://ror.org/00nas2c56","country_code":"CA","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210094041"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Pragash Krishnamoorthy","raw_affiliation_strings":["Ericsson Canada Inc., Ottawa, Canada"],"raw_orcid":"https://orcid.org/0009-0002-5825-0363","affiliations":[{"raw_affiliation_string":"Ericsson Canada Inc., Ottawa, Canada","institution_ids":["https://openalex.org/I4210094041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045453337","display_name":"Olga Baysal","orcid":null},"institutions":[{"id":"https://openalex.org/I67031392","display_name":"Carleton University","ror":"https://ror.org/02qtvee93","country_code":"CA","type":"education","lineage":["https://openalex.org/I67031392"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Olga Baysal","raw_affiliation_strings":["Carleton University, Ottawa, Canada"],"raw_orcid":"https://orcid.org/0000-0002-7681-8584","affiliations":[{"raw_affiliation_string":"Carleton University, Ottawa, Canada","institution_ids":["https://openalex.org/I67031392"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056802275"],"corresponding_institution_ids":["https://openalex.org/I4210094041","https://openalex.org/I67031392"],"apc_list":{"value":3560,"currency":"USD","value_usd":3560},"apc_paid":{"value":3560,"currency":"USD","value_usd":3560},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.45983266,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"234","issue":null,"first_page":"112714","last_page":"112714"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.7598000168800354,"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":0.7598000168800354,"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/T10430","display_name":"Software Engineering Techniques and Practices","score":0.10109999775886536,"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/T13274","display_name":"Expert finding and Q&A systems","score":0.025200000032782555,"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/troubleshooting","display_name":"Troubleshooting","score":0.8770999908447266},{"id":"https://openalex.org/keywords/interpretability","display_name":"Interpretability","score":0.8136000037193298},{"id":"https://openalex.org/keywords/relevance","display_name":"Relevance (law)","score":0.6585000157356262},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5088000297546387},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.44440001249313354},{"id":"https://openalex.org/keywords/data-retrieval","display_name":"Data retrieval","score":0.4097000062465668},{"id":"https://openalex.org/keywords/human\u2013computer-information-retrieval","display_name":"Human\u2013computer information retrieval","score":0.40560001134872437}],"concepts":[{"id":"https://openalex.org/C147494362","wikidata":"https://www.wikidata.org/wiki/Q2078905","display_name":"Troubleshooting","level":2,"score":0.8770999908447266},{"id":"https://openalex.org/C2781067378","wikidata":"https://www.wikidata.org/wiki/Q17027399","display_name":"Interpretability","level":2,"score":0.8136000037193298},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7781000137329102},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.6585000157356262},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.599399983882904},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5088000297546387},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.44440001249313354},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.423799991607666},{"id":"https://openalex.org/C551230270","wikidata":"https://www.wikidata.org/wiki/Q4368942","display_name":"Data retrieval","level":2,"score":0.4097000062465668},{"id":"https://openalex.org/C90288658","wikidata":"https://www.wikidata.org/wiki/Q3318149","display_name":"Human\u2013computer information retrieval","level":3,"score":0.40560001134872437},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.39660000801086426},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37439998984336853},{"id":"https://openalex.org/C2985933255","wikidata":"https://www.wikidata.org/wiki/Q1638872","display_name":"Text retrieval","level":2,"score":0.33719998598098755},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3190000057220459},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.2980000078678131},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.28700000047683716},{"id":"https://openalex.org/C1667742","wikidata":"https://www.wikidata.org/wiki/Q10927554","display_name":"Image retrieval","level":3,"score":0.275299996137619},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.2583000063896179}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.jss.2025.112714","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jss.2025.112714","pdf_url":null,"source":{"id":"https://openalex.org/S37879656","display_name":"Journal of Systems and Software","issn_l":"0164-1212","issn":["0164-1212","1873-1228"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Systems and Software","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.jss.2025.112714","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jss.2025.112714","pdf_url":null,"source":{"id":"https://openalex.org/S37879656","display_name":"Journal of Systems and Software","issn_l":"0164-1212","issn":["0164-1212","1873-1228"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Systems and Software","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310249","display_name":"Carleton University","ror":"https://ror.org/02qtvee93"},{"id":"https://openalex.org/F4320317971","display_name":"Telefonaktiebolaget LM Ericsson","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2560647685","https://openalex.org/W2945976633","https://openalex.org/W3128607711","https://openalex.org/W4252076394","https://openalex.org/W4313476629","https://openalex.org/W4412887750"],"related_works":[],"abstract_inverted_index":{"The":[0],"rapid":[1],"evolution":[2],"of":[3,39,47,67,77,84,91,108,147,163,209,241,265,289,301],"the":[4,36,43,63,73,82,109,145,205,210,287,299],"telecommunication":[5],"industry":[6],"necessitates":[7],"efficient":[8],"troubleshooting":[9],"processes":[10],"to":[11,58,62,181,226,235],"maintain":[12],"network":[13],"reliability,":[14],"software":[15,40,194],"maintainability,":[16],"and":[17,45,75,130,141,185,192,222,229,244],"service":[18],"quality.":[19],"Trouble":[20],"Reports":[21],"(TRs),":[22],"which":[23,121],"document":[24],"issues":[25],"in":[26,34,294],"Ericsson\u2019s":[27,266],"production":[28],"system,":[29],"play":[30],"a":[31,123,169,263,277],"critical":[32],"role":[33],"facilitating":[35],"timely":[37],"resolution":[38,191],"faults.":[41],"However,":[42,72],"complexity":[44,74],"volume":[46,76],"textual":[48],"TR":[49,78,100,138,179,203,220],"data":[50],"present":[51,94],"challenges":[52,95],"for":[53,96,177,251,297],"retrieval":[54,97,112,148,171,198,207,237,302],"models,":[55,199],"often":[56],"leading":[57],"information":[59],"loss":[60],"due":[61],"input":[64],"size":[65],"limitation":[66],"Large":[68],"Language":[69],"Models":[70],"(LLMs).":[71],"data,":[79],"along":[80],"with":[81],"presence":[83],"diverse":[85,228],"criteria":[86,103,140,221,292],"that":[87,104,173,272],"reflect":[88],"different":[89,106,137,178],"aspects":[90,107],"each":[92,99,252],"fault,":[93,110],"systems.Moreover,":[98],"includes":[101],"distinct":[102],"capture":[105,227],"impacting":[111],"model":[113,279],"performance.":[114],"Building":[115],"on":[116,144,201,218],"prior":[117],"work":[118],"at":[119],"Ericsson,":[120],"utilized":[122],"two-stage":[124],"workflow,":[125],"comprising":[126],"Initial":[127],"Retrieval":[128],"(IR)":[129],"Re-Ranking":[131],"(RR)":[132],"stages,":[133],"this":[134,269,295],"study":[135,151,296],"investigates":[136],"observation":[139],"their":[142,224],"impact":[143],"performance":[146,208,300],"models.":[149],"This":[150,232,285],"proposesWe":[152],"propose":[153],"CREST":[154,211,213],"(":[155],"C":[156],"riteria-specific":[157],"R":[158,167],"etrieval":[159],"via":[160],"E":[161],"nsemble":[162],"S":[164],"pecialized":[165],"T":[166],"models),":[168],"criterion-driven":[170],"approach":[172,233,280],"leverages":[174],"specialized":[175,215],"models":[176,216,274],"fields":[180],"improve":[182],"both":[183],"effectiveness":[184],"interpretability,":[186],"thereby":[187],"enabling":[188],"quicker":[189],"fault":[190],"supporting":[193],"maintenance.Utilizing":[195],"these":[196],"dedicated":[197],"trained":[200,217],"specific":[202,219,258],"criteria,":[204],"overall":[206],"improves.":[212],"utilizes":[214],"aggregates":[223],"outputs":[225],"complementary":[230],"signals.":[231],"leads":[234],"enhanced":[236],"accuracy,":[238],"better":[239],"calibration":[240],"predicted":[242],"scores,":[243],"improved":[245],"interpretability":[246],"by":[247],"providing":[248],"relevance":[249],"scores":[250],"criterion,":[253],"helping":[254],"users":[255],"understand":[256],"why":[257],"TRs":[259],"were":[260],"retrieved.":[261],"Using":[262],"subset":[264],"internal":[267],"TRs,":[268],"research":[270],"demonstrates":[271],"criterion-specific":[273],"significantly":[275],"outperform":[276],"single":[278],"across":[281],"key":[282],"evaluation":[283],"metrics.":[284],"highlights":[286],"importance":[288],"all":[290],"targeted":[291],"used":[293],"optimizing":[298],"systems.":[303]},"counts_by_year":[],"updated_date":"2026-06-15T08:34:33.830935","created_date":"2025-11-30T00:00:00"}
