{"id":"W4415250157","doi":"10.1145/3757520","title":"Users' Strategies for Ensuring Trust, Privacy, and Safety on Facebook Marketplace: Challenges and Recommendations","year":2025,"lang":"en","type":"article","venue":"Proceedings of the ACM on Human-Computer Interaction","topic":"Sharing Economy and Platforms","field":"Business, Management and Accounting","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Harm; Trustworthiness; Payment; Information privacy; Safeguard; Anonymity; Key (lock); Balance (ability)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002812183,0.0001386267,0.0001520102,0.0002080447,0.0002800721,0.000332265,0.0003155927,0.00005340793,0.00001916337],"category_scores_gemma":[0.00009032619,0.0001096166,0.00004964513,0.00005317814,0.00002780485,0.00119463,0.0003843103,0.0001449887,0.000003319587],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003042683,"about_ca_system_score_gemma":0.000004589214,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001144138,"about_ca_topic_score_gemma":0.000008070574,"domain_scores_codex":[0.9993511,0.0000016958,0.0002169318,0.0002521756,0.00005822267,0.0001198385],"domain_scores_gemma":[0.9993814,0.0001557474,0.0002230692,0.0001482488,0.00008531289,0.00000620932],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.001291611,0.0002145138,0.004767098,0.002819723,0.0003132375,1.960785e-7,0.002121043,0.00007889386,0.0009789002,0.5729964,0.02583121,0.3885871],"study_design_scores_gemma":[0.003529411,0.0002589579,0.1906246,0.004174152,0.0002207394,0.000008085261,0.006204226,0.02045673,0.003811885,0.2835169,0.4863799,0.000814474],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9491965,0.00003613725,0.00008218913,0.007015286,0.0007033659,0.0007246994,0.00000264068,0.00008291497,0.04215625],"genre_scores_gemma":[0.9979352,0.00007577859,0.0005188893,0.0006380348,0.0003507254,0.00005607034,0.000004651634,0.00001224667,0.0004084363],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4605487,"threshold_uncertainty_score":0.4470034,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06101877546477533,"score_gpt":0.2979051142357212,"score_spread":0.2368863387709459,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}