About: http://dbpedia.org/resource/Category:Warning

Property	Value
rdf:type	skos:Concept
rdfs:label	Warning systems
skos:broader	dbpedia:Category:Disaster_preparedness dbpedia:Category:Safety_engineering dbpedia:Category:Technology_systems dbpedia:Category:Disaster_management_tools dbpedia:Category:Measuring_instruments dbpedia:Category:Public_safety dbpedia:Category:National_security dbpedia:Category:Systems_engineering
skos:prefLabel	Warning systems
is skos:broader of	dbpedia:Category:Emergency_population_warning_systems dbpedia:Category:Weapon_Locating_Radar dbpedia:Category:Aircraft_instruments dbpedia:Category:Alert_measurement_systems dbpedia:Category:Intelligent_transportation_systems
is skos:subject of	dbpedia:Closed-circuit_television dbpedia:Automatic_Warning_System dbpedia:ARTHUR_(military) dbpedia:European_Community_Urgent_Radiological_Information_Exchange dbpedia:Red_Color dbpedia:Acoustic_mirror dbpedia:Warning_system dbpedia:Anonymous_Postmaster_Early_Warning_System dbpedia:Physical_security dbpedia:Indian_Ocean_Tsunami_Warning_System dbpedia:International_Early_Warning_Programme dbpedia:Alarm dbpedia:FLARM dbpedia:Domestic_Canary dbpedia:Oko dbpedia:Lane_departure_warning_system dbpedia:Traffic_Collision_Avoidance_System dbpedia:Airborne_Collision_Avoidance_System dbpedia:Airborne_wind_shear_detection_and_alert_system dbpedia:Denge dbpedia:Ground_proximity_warning_system dbpedia:Counter-battery_radar dbpedia:Short_Term_Conflict_Alert dbpedia:Ballistic_Missile_Early_Warning_System dbpedia:Chrysler_air_raid_siren dbpedia:G-Book dbpedia:Tripwire dbpedia:Pacific_Tsunami_Warning_Center dbpedia:13th_Space_Warning_Squadron dbpedia:National_Warning_System dbpedia:North_Warning_System dbpedia:Portable_Collision_Avoidance_System dbpedia:Premier_Hazard dbpedia:Tsunami_warning_system dbpedia:US-KS_(satellite) dbpedia:T6NL dbpedia:Zaon_Flight_Systems,_Inc. dbpedia:US-KMO_(satellite) dbpedia:Reverse_911 dbpedia:Spam_Prevention_Early_Warning_System dbpedia:Volcano_warning_schemes_of_the_United_States

About: http://dbpedia.org/resource/Category:Warning_systems