{"id":"W3168802705","doi":"10.14430/arctic72532","title":"Do Wild Polar Bears (<i>Ursus maritimus</i>) Use Tools When Hunting Walruses (<i>Odobenus rosmarus</i>)?","year":2021,"lang":"en","type":"article","venue":"ARCTIC","topic":"Marine animal studies overview","field":"Environmental Science","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"Directorate for Biological Sciences; Environment and Climate Change Canada; University of Alberta; Pinngortitaleriffik","keywords":"Ursus maritimus; Ursus; Captivity; Geography; Ecology; Zoology; Archaeology; Biology; Arctic; Population","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"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":[0.0006137032,0.0001599618,0.0001923346,0.0005859159,0.0006514582,0.0007376823,0.0002643114,0.0003950504,0.001632491],"category_scores_gemma":[0.001704097,0.0001908235,0.000145392,0.000444045,0.0009787234,0.00107604,0.0003547528,0.0002070317,0.0003313532],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001741985,"about_ca_system_score_gemma":0.000179228,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01299529,"about_ca_topic_score_gemma":0.0327072,"domain_scores_codex":[0.9997754,0.00006819968,0.00001591792,0.0000500751,0.00003340024,0.00005703206],"domain_scores_gemma":[0.9990247,0.0002138963,0.0004976275,0.00005299332,0.0001129735,0.00009774227],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008547234,0.00005353412,0.9707064,0.00008195139,0.00003785328,0.0005706757,0.01273554,0.00002938174,0.0006190344,0.0003172483,0.0008428608,0.01392008],"study_design_scores_gemma":[0.000002543155,0.00007648839,0.970419,0.00006797745,0.00002457406,0.0005514922,0.02499649,0.00007201548,0.0002620351,0.000211131,0.003306595,0.000009575023],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9955927,0.0004250675,0.0001952799,0.0002467878,0.00002581187,0.000008191781,0.0001371204,0.000002738087,0.003366336],"genre_scores_gemma":[0.9972292,0.001196088,0.0002680172,0.0001474253,0.00003273259,0.00001251282,0.000214413,0.000002853823,0.0008968165],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01299529,"threshold_uncertainty_score":0.02583933,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02796685229165113,"score_gpt":0.2361869752091987,"score_spread":0.2082201229175475,"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."}}