{"id":"https://openalex.org/W7162538797","doi":"https://doi.org/10.48550/arxiv.2605.27068","title":"QUACK: Questioning, Understanding, and Auditing Communicated Knowledge in Multimodal Social Deduction Agents","display_name":"QUACK: Questioning, Understanding, and Auditing Communicated Knowledge in Multimodal Social Deduction Agents","publication_year":2026,"publication_date":"2026-05-26","ids":{"openalex":"https://openalex.org/W7162538797","doi":"https://doi.org/10.48550/arxiv.2605.27068"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.27068","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.27068","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":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.27068","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5137107546","display_name":"Ye Yuan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuan, Ye","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137163397","display_name":"Rui Song","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Song, Rui","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137186182","display_name":"Weien Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Weien","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137109782","display_name":"Zeyu Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Zeyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137110391","display_name":"Haochen Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Haochen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137168183","display_name":"Xiangyu Kong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kong, Xiangyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134681430","display_name":"Changjiang Han","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Han, Changjiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136005323","display_name":"Yonghan Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Yonghan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137142595","display_name":"Zichen Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhao, Zichen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111039022","display_name":"Zixuan Dong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dong, Zixuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137155764","display_name":"Fuyuan Lyu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lyu, Fuyuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137131589","display_name":"Bowei He","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"He, Bowei","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137102088","display_name":"Haolun Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Haolun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021430632","display_name":"Jikun Kang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kang, Jikun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5137094366","display_name":"Xue Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Xue","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"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/T10028","display_name":"Topic Modeling","score":0.26600000262260437,"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"}},"topics":[{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.26600000262260437,"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"}},{"id":"https://openalex.org/T12026","display_name":"Explainable Artificial Intelligence (XAI)","score":0.1907999962568283,"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"}},{"id":"https://openalex.org/T11714","display_name":"Multimodal Machine Learning Applications","score":0.14669999480247498,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/audit","display_name":"Audit","score":0.6225000023841858},{"id":"https://openalex.org/keywords/adversarial-system","display_name":"Adversarial system","score":0.534500002861023},{"id":"https://openalex.org/keywords/deception","display_name":"Deception","score":0.4643000066280365},{"id":"https://openalex.org/keywords/verifiable-secret-sharing","display_name":"Verifiable secret sharing","score":0.42750000953674316},{"id":"https://openalex.org/keywords/reductio-ad-absurdum","display_name":"Reductio ad absurdum","score":0.4068000018596649},{"id":"https://openalex.org/keywords/language-model","display_name":"Language model","score":0.3910999894142151},{"id":"https://openalex.org/keywords/audit-trail","display_name":"Audit trail","score":0.3765999972820282},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.3458000123500824},{"id":"https://openalex.org/keywords/language-game","display_name":"Language-game","score":0.3269999921321869}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6517999768257141},{"id":"https://openalex.org/C199521495","wikidata":"https://www.wikidata.org/wiki/Q181487","display_name":"Audit","level":2,"score":0.6225000023841858},{"id":"https://openalex.org/C37736160","wikidata":"https://www.wikidata.org/wiki/Q1801315","display_name":"Adversarial system","level":2,"score":0.534500002861023},{"id":"https://openalex.org/C2779267917","wikidata":"https://www.wikidata.org/wiki/Q170028","display_name":"Deception","level":2,"score":0.4643000066280365},{"id":"https://openalex.org/C85847156","wikidata":"https://www.wikidata.org/wiki/Q59015987","display_name":"Verifiable secret sharing","level":3,"score":0.42750000953674316},{"id":"https://openalex.org/C121649496","wikidata":"https://www.wikidata.org/wiki/Q14402006","display_name":"Reductio ad absurdum","level":3,"score":0.4068000018596649},{"id":"https://openalex.org/C137293760","wikidata":"https://www.wikidata.org/wiki/Q3621696","display_name":"Language model","level":2,"score":0.3910999894142151},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3880000114440918},{"id":"https://openalex.org/C80958533","wikidata":"https://www.wikidata.org/wiki/Q1047174","display_name":"Audit trail","level":3,"score":0.3765999972820282},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37400001287460327},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.35109999775886536},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.3458000123500824},{"id":"https://openalex.org/C2779038801","wikidata":"https://www.wikidata.org/wiki/Q247592","display_name":"Language-game","level":2,"score":0.3269999921321869},{"id":"https://openalex.org/C2777026412","wikidata":"https://www.wikidata.org/wiki/Q2684591","display_name":"Statement (logic)","level":2,"score":0.32100000977516174},{"id":"https://openalex.org/C2777230681","wikidata":"https://www.wikidata.org/wiki/Q7923820","display_name":"Vetting","level":2,"score":0.299699991941452},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.29249998927116394},{"id":"https://openalex.org/C177142836","wikidata":"https://www.wikidata.org/wiki/Q44455","display_name":"Game theory","level":2,"score":0.29010000824928284},{"id":"https://openalex.org/C156325361","wikidata":"https://www.wikidata.org/wiki/Q1152864","display_name":"Grounded theory","level":3,"score":0.28790000081062317},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.2842999994754791},{"id":"https://openalex.org/C2781198186","wikidata":"https://www.wikidata.org/wiki/Q701521","display_name":"Collusion","level":2,"score":0.2799000144004822},{"id":"https://openalex.org/C60643870","wikidata":"https://www.wikidata.org/wiki/Q1949683","display_name":"Deterrence theory","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C2778971194","wikidata":"https://www.wikidata.org/wiki/Q1664551","display_name":"Insider","level":2,"score":0.2766000032424927},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.275299996137619},{"id":"https://openalex.org/C2776633304","wikidata":"https://www.wikidata.org/wiki/Q6038026","display_name":"Insider threat","level":3,"score":0.27070000767707825},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.27000001072883606},{"id":"https://openalex.org/C48798503","wikidata":"https://www.wikidata.org/wiki/Q877546","display_name":"Reputation","level":2,"score":0.2685999870300293},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.26820001006126404},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.2648000121116638},{"id":"https://openalex.org/C2777548347","wikidata":"https://www.wikidata.org/wiki/Q5456937","display_name":"Flagging","level":2,"score":0.2615000009536743},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.2612999975681305},{"id":"https://openalex.org/C2776795254","wikidata":"https://www.wikidata.org/wiki/Q561071","display_name":"Redaction","level":2,"score":0.258899986743927},{"id":"https://openalex.org/C59577422","wikidata":"https://www.wikidata.org/wiki/Q10265143","display_name":"False accusation","level":2,"score":0.2554999887943268}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.27068","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.27068","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":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.27068","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.27068","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":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Social":[0],"deduction":[1],"games":[2],"have":[3],"become":[4],"a":[5],"popular":[6],"testbed":[7],"for":[8,81],"probing":[9],"reasoning,":[10],"deception,":[11],"coordination,":[12],"and":[13,35,57,78,102,118,133,143,161,179],"belief":[14],"modeling":[15],"in":[16,53,88,140],"Large":[17],"Language":[18],"Model":[19],"(LLM)":[20],"agents.":[21],"However,":[22],"most":[23],"environments":[24],"are":[25],"scored":[26],"only":[27],"by":[28],"game":[29,98],"outcomes":[30],"such":[31],"as":[32],"win":[33],"rates":[34],"largely":[36],"remain":[37],"to":[38,44,60],"text-only":[39],"interaction,":[40],"making":[41],"it":[42,55],"difficult":[43],"tell":[45],"whether":[46],"an":[47,75],"agent's":[48,112],"language":[49,87],"is":[50],"actually":[51],"grounded":[52,169],"what":[54],"perceived":[56],"did,":[58],"or":[59],"identify":[61],"the":[62,83,151,173],"failure":[63],"modes":[64],"underlying":[65],"its":[66,157,166],"behavior.":[67],"To":[68],"address":[69],"this":[70],"gap,":[71],"we":[72,147],"introduce":[73],"QUACK,":[74],"open-source":[76],"environment":[77],"evaluation":[79,176],"framework":[80],"auditing":[82],"grounding":[84],"of":[85,156,165],"agent":[86,153],"multimodal":[89],"social":[90],"reasoning.":[91],"QUACK":[92],"evaluates":[93],"agents":[94],"at":[95,181],"three":[96,137],"levels:":[97],"outcomes,":[99],"behavioral":[100],"trajectories,":[101],"utterance-level":[103],"consistency.":[104],"Its":[105],"core":[106],"Statement":[107],"Verification":[108],"Pipeline":[109],"reconstructs":[110],"each":[111],"ground-truth":[113],"trajectory":[114],"from":[115],"engine":[116],"logs":[117,180],"checks":[119],"every":[120],"discussion":[121],"claim":[122],"against":[123],"it,":[124],"automatically":[125],"flagging":[126],"spatial":[127,159],"hallucination,":[128],"unsupported":[129],"accusation,":[130],"deception":[131],"collapse,":[132],"language-action":[134],"inconsistency.":[135],"Evaluating":[136],"frontier":[138],"VLMs":[139],"both":[141],"homogeneous":[142],"cross-model":[144],"adversarial":[145],"settings,":[146],"find":[148],"that":[149],"even":[150],"strongest":[152],"hallucinates":[154],"15.1%":[155],"verifiable":[158],"claims":[160],"makes":[162],"over":[163],"half":[164],"accusations":[167],"without":[168],"evidence.":[170],"We":[171],"release":[172],"full":[174],"engine,":[175],"framework,":[177],"toolkit,":[178],"https://github.com/AAAAA-Academia-Attractions/QUACK.":[182]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-05-28T00:00:00"}