{"taxonomy_id":"naics","taxonomy_version":"2022","mapping_build":"v1-adapter-f70a1645e26f0c-d1-eb9c86d9","evaluation_rows":3036,"quality_distribution":{"assessed_rows":3036,"strong_fit":0.9146903820816864,"plausible_fit":0.06389986824769434,"poor_fit":0.021409749670619236},"ambiguous_rate":0.00032938076416337287,"ambiguous_inputs":1,"examples":[{"source_value":"Crude oil refining","returned_label":"Petroleum Refineries","fit":"strong","decision":"match"},{"source_value":"Poultry cold storage","returned_label":"Refrigerated Warehousing and Storage","fit":"strong","decision":"match"},{"source_value":"Electrical fixture installation subcontractor","returned_label":"Electrical Contractors and Other Wiring Installation Contractors","fit":"strong","decision":"match"}],"decision_policy":"The default uses the retained development-calibrated threshold. No protected test case was used to refit it. Explicit forced matches are not the operating policy evaluated here.","evidence_basis":"The tests use generated descriptions covering every category equally, including clear matches, related activities, and inputs near category boundaries. The same held-out cases were used for both mappings. They are not customer traffic.","build_comparison":{"evaluation_date":"2026-08-17","population_sha256":"6c783b48d5ba1b60ce2e8e7e01d98cb09eb56b10d0f7e45eb1ad8850c2896040","evaluator_identity":"feb8ad0097ec4bbf29ec43474ba70cce00e8c942e833a1318e055d4389b390ca","baseline":{"mapping_build":"alpha-label-180f20d5e56591b6","outcomes":{"good_match":0.7875494071146245,"passable_match":0.11133069828722003,"poor_match":0.09123847167325429,"no_category":0.009881422924901186}},"current":{"mapping_build":"v1-adapter-f70a1645e26f0c-d1-eb9c86d9","outcomes":{"good_match":0.9143610013175231,"passable_match":0.06389986824769434,"poor_match":0.021409749670619236,"no_category":0.00032938076416337287}},"improvement_examples":[{"source_value":"Crude oil refining","baseline_concept":{"id":"211120","label":"Crude Petroleum Extraction"},"current_concept":{"id":"324110","label":"Petroleum Refineries"},"baseline_fit":1,"current_fit":5},{"source_value":"Poultry cold storage","baseline_concept":{"id":"311615","label":"Poultry Processing"},"current_concept":{"id":"493120","label":"Refrigerated Warehousing and Storage"},"baseline_fit":2,"current_fit":5},{"source_value":"Electrical fixture installation subcontractor","baseline_concept":{"id":"335131","label":"Residential Electric Lighting Fixture Manufacturing"},"current_concept":{"id":"238210","label":"Electrical Contractors and Other Wiring Installation Contractors"},"baseline_fit":1,"current_fit":5}]}}