{
    "dataset": "AI Search Visibility in Italia",
    "metrics_version": "brand-metrics-v1.2",
    "status": "FROZEN",
    "alias_resolution_version": "canonical-alias-v1.2",
    "alias_policy": "Conservative identity-equivalent normalization only; distinct sub-brands remain separate.",
    "responses_analyzed": 5760,
    "main_panel_prompts": 480,
    "controls_excluded": 20,
    "prompts_with_commercial_seed": 16,
    "prompts_without_commercial_seed": 464,
    "commercial_candidate_patterns": 1161,
    "commercial_brand_families": 529,
    "taxonomy": {
        "direct_brand_patterns": 620,
        "confirmed_parent_product_patterns": 417,
        "resolved_product_patterns": 124,
        "excluded_product_patterns": 49
    },
    "definitions": {
        "commercial_brand_family": "Direct commercial brand or eligible commercial product/service rolled to its final market-facing brand family.",
        "commercial_brand_presence": "At least one commercial brand family detected in response prose.",
        "seeded_brand": "Commercial brand family already present in the query.",
        "unprompted_commercial_brand": "Commercial brand family introduced by the AI answer and absent from the query.",
        "primary_visibility_metric": "Unprompted Commercial Brand Visibility.",
        "brand_specific_unprompted_visibility": "Unprompted mentions divided by responses where that brand was not explicitly seeded.",
        "aio_all_observation_denominator": "All valid AIO observations including valid no-surface observations.",
        "aio_surface_denominator": "Only observations where Google AI Overview surface_present=1.",
        "brand_agreement": "Jaccard similarity of response-level commercial brand-family sets.",
        "brand_divergence": "1 - Jaccard.",
        "primary_pairwise_comparison": "Mean Jaccard among prompt-replicate observations where both engines contain at least one brand in the selected scope."
    },
    "exclusions": [
        "publisher_platform",
        "public_body_nonprofit",
        "person",
        "generic_false_positive",
        "noncommercial_named_entity",
        "generic_unbranded",
        "uncertain"
    ],
    "input_sha256": {
        "research_brand_classification_input_v1.jsonl": "41b4d64cc48ff4feb5db646851205b56a6a0814b5a17e6dd0a96122991e818ad",
        "research_brand_classification_openai_v1.jsonl": "9a345c8b9881d8ed6be7b2d12edb00c5e1d6d0f7e90d011346e3dadd9b38b5c0",
        "research_product_resolution_final_v1.1.jsonl": "195b792097391e59ccf48f25fdf2c3d26dec2e1ed0350bfc0510521f9ad3e5e7"
    },
    "output_sha256": {
        "research_brand_rollup_map_v1.2.csv": "61d97b8aade84079147488ea373e49725cde1621d045dd44e181f7138dfd0f60",
        "research_brand_query_seeds_v1.2.csv": "593f59a41f4cc93ab82b53cfa499c2bcd2b222d0c05470ba43ea9c3206c09ae3",
        "research_brand_mentions_response_v1.2.csv": "132b939881581f2dafbe035bbadd649ea26d0df8d083e446e1786352ccdc2efa",
        "research_brand_engine_metrics_v1.2.csv": "21c982b212f30be4ff656593cd847aa84cf54d031d817706fff692a0285d9322",
        "research_brand_replicate_metrics_v1.2.csv": "37ff6508487d3061d2cde0d67fc1a17844e8693534dda16cac3bad258141c4f3",
        "research_top_brands_v1.2.csv": "7abaa36033fe1701b091581963f7490cff2f6c5599db4ad64bcd59e91466f9e5",
        "research_brand_pair_agreement_v1.2.csv": "0fe71d759303eb4ff5c0afa160f7883f18a383e069b50a0a2c0829431c8b84b9"
    },
    "created_at": "2026-09-05T12:01:55+00:00"
}