{"id":"https://openalex.org/W7159664137","doi":"https://doi.org/10.48550/arxiv.2604.26990","title":"UCSC-NLP at SemEval-2026 Task 13: Multi-View Generalization and Diagnostic Analysis of Machine-Generated Code Detection","display_name":"UCSC-NLP at SemEval-2026 Task 13: Multi-View Generalization and Diagnostic Analysis of Machine-Generated Code Detection","publication_year":2026,"publication_date":"2026-04-28","ids":{"openalex":"https://openalex.org/W7159664137","doi":"https://doi.org/10.48550/arxiv.2604.26990"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.26990","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.26990","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.26990","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5134960547","display_name":"Kargi Chauhan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chauhan, Kargi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5134967532","display_name":"Sadiba Nusrat Nur","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nur, Sadiba Nusrat","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.24570000171661377,"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":0.24570000171661377,"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/T11241","display_name":"Advanced Malware Detection Techniques","score":0.11110000312328339,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10028","display_name":"Topic Modeling","score":0.08190000057220459,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/macro","display_name":"Macro","score":0.7384999990463257},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.628000020980835},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.6208000183105469},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.5584999918937683},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.5199999809265137},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.41110000014305115},{"id":"https://openalex.org/keywords/security-token","display_name":"Security token","score":0.3797999918460846},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.3386000096797943}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7483999729156494},{"id":"https://openalex.org/C166955791","wikidata":"https://www.wikidata.org/wiki/Q629579","display_name":"Macro","level":2,"score":0.7384999990463257},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.628000020980835},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6208000183105469},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5716999769210815},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.5584999918937683},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.5199999809265137},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.4652000069618225},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.41110000014305115},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.40380001068115234},{"id":"https://openalex.org/C48145219","wikidata":"https://www.wikidata.org/wiki/Q1335365","display_name":"Security token","level":2,"score":0.3797999918460846},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.3386000096797943},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.31459999084472656},{"id":"https://openalex.org/C143299363","wikidata":"https://www.wikidata.org/wiki/Q900584","display_name":"Attribution","level":2,"score":0.31299999356269836},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.30820000171661377},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.3052000105381012},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2989000082015991},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.29350000619888306},{"id":"https://openalex.org/C149091818","wikidata":"https://www.wikidata.org/wiki/Q2429814","display_name":"Software system","level":3,"score":0.288100004196167},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.2847999930381775},{"id":"https://openalex.org/C137293760","wikidata":"https://www.wikidata.org/wiki/Q3621696","display_name":"Language model","level":2,"score":0.25429999828338623}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.26990","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.26990","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.26990","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.26990","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.7562972903251648}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,101],"rapid":[2],"growth":[3],"of":[4],"large":[5],"language":[6],"models":[7],"for":[8,21,33,145],"code":[9,16],"generation,":[10],"distinguishing":[11],"between":[12],"human-written":[13],"and":[14,26,47,85,96,108],"AI-generated":[15],"has":[17],"become":[18],"increasingly":[19],"critical":[20],"academic":[22],"integrity,":[23],"hiring":[24],"evaluations,":[25],"software":[27],"security.":[28],"We":[29],"present":[30],"our":[31],"system":[32,89],"SemEval-2026":[34],"Task":[35],"13:":[36],"Multilingual":[37],"Machine-Generated":[38],"Code":[39],"Detection,":[40],"participating":[41],"in":[42],"Subtask":[43,48,57,111],"A":[44,141],"(binary":[45],"detection)":[46],"B":[49],"(multi-class":[50],"attribution":[51,158],"across":[52],"10":[53],"LLM":[54],"families).":[55],"For":[56,110],"A,":[58],"we":[59,113],"fine-tune":[60],"UniXcoder-base":[61],"with":[62,78,132],"a":[63],"multi-view":[64],"training":[65,161],"framework":[66,72],"that":[67,115,156],"promotes":[68],"generator-invariant":[69],"representations.":[70],"The":[71],"combines":[73],"domain-specific":[74],"structural":[75],"prefixes,":[76],"delexicalization":[77],"symmetric":[79],"KL":[80],"consistency":[81],"loss,":[82],"token":[83],"dropout,":[84],"mixed-content":[86],"augmentation.":[87],"Our":[88],"achieves":[90],"0.993":[91],"macro":[92,98,133,149],"F1":[93,99,134,150],"on":[94,100],"validation":[95],"0.845":[97],"test":[102],"set,":[103],"which":[104],"spans":[105],"unseen":[106],"languages":[107],"domains.":[109],"B,":[112],"show":[114],"severe":[116],"class":[117],"imbalance":[118],"(88.4%":[119],"human":[120],"code,":[121],"221:1":[122],"majority-to-minority":[123],"ratio)":[124],"causes":[125],"catastrophic":[126],"minority-class":[127],"failure":[128],"under":[129],"standard":[130],"fine-tuning,":[131],"collapsing":[135],"to":[136,151],"0.086":[137],"despite":[138],"88.4%":[139],"accuracy.":[140],"class-weighted":[142],"extension":[143],"trained":[144],"3":[146],"epochs":[147],"recovers":[148],"0.345":[152],"(+301%":[153],"relative),":[154],"confirming":[155],"multi-class":[157],"requires":[159],"imbalance-aware":[160],"strategies.":[162]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-05-02T00:00:00"}
