{"L1_core": {"domain": "general", "category": "equipment", "entity_type": "asset"}, "L2_general": {"lifecycle": ["acquisition", "installation", "operation", "maintenance", "disposal"], "management": {"tracking": "asset_management_system", "insurance": "equipment_insurance", "depreciation": ["straight_line", "declining_balance"]}, "documentation": ["technical_sheet", "operation_manual", "maintenance_plan", "service_history"], "classification": {"sports": ["personal_gear", "facilities", "accessories"], "industrial": ["machinery", "measurement", "tools", "PPE"], "technology": ["hardware", "network", "mobile", "peripherals"]}}, "L5_metadata": {"updated": "2026-01-02", "version": "2.0"}, "L3_relations": {"used_by": ["person", "process", "facility"], "requires": ["maintenance", "training", "consumables"]}}