{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0285153,0.0007984666,0.0005524945,0.002062204,0.007998574,0.01168964,0.002569621,0.003599799,0.002975375],"category_scores_gemma":[0.04319686,0.0006438439,0.0004363897,0.001572702,0.006100522,0.02012658,0.004496215,0.002389998,0.0007275327],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003240365,"about_ca_system_score_gemma":0.008431212,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009662534,"about_ca_topic_score_gemma":0.01825095,"domain_scores_codex":[0.9727641,0.02165197,0.0009499789,0.0007960772,0.002140942,0.001697028],"domain_scores_gemma":[0.9611099,0.02602314,0.002561172,0.001665276,0.005588904,0.003051583],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"qualitative","study_design_scores_codex":[0.0001304928,0.0004645226,0.0624226,0.001621328,0.00005611177,0.002028924,0.5720463,0.0005269532,0.003615514,0.04548197,0.02043831,0.2911669],"study_design_scores_gemma":[0.00002335197,0.0001415465,0.006952079,0.001427574,0.00004290619,0.0005233638,0.9001535,0.002959868,0.001549524,0.01572926,0.0703989,0.00009816184],"study_design_candidate":"qualitative","study_design_consensus":"qualitative","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.701152,0.007595806,0.03732895,0.1845169,0.0005569025,0.001415669,0.0001785451,0.0006224588,0.06663272],"genre_scores_gemma":[0.9675808,0.002741265,0.02354581,0.002213775,0.00006777974,0.0005132611,0.0000636923,0.0000471518,0.003226467],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0285153,"threshold_uncertainty_score":0.1508052,"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."}}