Japan Coast Guard
E88843
The Japan Coast Guard is Japan’s maritime safety and security agency responsible for law enforcement, search and rescue, and navigation safety in the country’s territorial waters and surrounding seas.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Japan Coast Guard canonical | 23 |
| 海上保安庁 | 2 |
| JCG (Japan Coast Guard) | 1 |
| Japan Coast Guard (Japanese side) | 1 |
| Japan Coast Guard Law | 1 |
| Japan Coast Guard emblem | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T745838 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Japan Coast Guard Context triple: [Cabinet Office of Japan, supervises, Japan Coast Guard]
-
A.
Japan Maritime Self-Defense Force
The Japan Maritime Self-Defense Force is Japan’s post–World War II naval branch responsible for maritime defense, security, and disaster relief operations under the country’s pacifist constitution.
-
B.
Japan Ground Self-Defense Force
The Japan Ground Self-Defense Force is the land warfare branch of Japan’s Self-Defense Forces, responsible for the country’s ground-based military defense under a strictly defensive post–World War II security policy.
-
C.
Japan Self-Defense Forces
The Japan Self-Defense Forces are Japan’s post–World War II military organization, maintained strictly for defensive purposes under the country’s pacifist constitution.
-
D.
Japan Air Self-Defense Force
The Japan Air Self-Defense Force is the aviation branch of Japan’s Self-Defense Forces, responsible for the country’s air defense and airspace security.
-
E.
Japan Ministry of Defense
The Japan Ministry of Defense is the Japanese government agency responsible for national defense policy, oversight of the Self-Defense Forces, and coordination of military affairs, particularly in the context of Japan’s security partnership with the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Japan Coast Guard Target entity description: The Japan Coast Guard is Japan’s maritime safety and security agency responsible for law enforcement, search and rescue, and navigation safety in the country’s territorial waters and surrounding seas.
-
A.
Japan Maritime Self-Defense Force
The Japan Maritime Self-Defense Force is Japan’s post–World War II naval branch responsible for maritime defense, security, and disaster relief operations under the country’s pacifist constitution.
-
B.
Japan Ground Self-Defense Force
The Japan Ground Self-Defense Force is the land warfare branch of Japan’s Self-Defense Forces, responsible for the country’s ground-based military defense under a strictly defensive post–World War II security policy.
-
C.
Japan Self-Defense Forces
The Japan Self-Defense Forces are Japan’s post–World War II military organization, maintained strictly for defensive purposes under the country’s pacifist constitution.
-
D.
Japan Air Self-Defense Force
The Japan Air Self-Defense Force is the aviation branch of Japan’s Self-Defense Forces, responsible for the country’s air defense and airspace security.
-
E.
Japan Ministry of Defense
The Japan Ministry of Defense is the Japanese government agency responsible for national defense policy, oversight of the Self-Defense Forces, and coordination of military affairs, particularly in the context of Japan’s security partnership with the United States.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
coast guard
ⓘ
maritime law enforcement agency ⓘ search and rescue organization ⓘ |
| abbreviation |
JCG
ⓘ
Japan Coast Guard self-linksurface differs ⓘ
surface form:
JCG (Japan Coast Guard)
|
| cooperatesWith |
Japan Maritime Self-Defense Force
ⓘ
United States Coast Guard ⓘ regional coast guards in Asia-Pacific ⓘ |
| country | Japan ⓘ |
| employerOf | coast guard officers ⓘ |
| hasDuty |
counter-piracy operations
ⓘ
counter-smuggling operations ⓘ enforcement of customs laws at sea ⓘ enforcement of fisheries laws ⓘ enforcement of immigration laws at sea ⓘ hydrographic surveying ⓘ ice information services ⓘ maritime law enforcement ⓘ maritime safety ⓘ maritime security patrols ⓘ maritime traffic management ⓘ navigation safety ⓘ pollution control ⓘ protection of offshore resources ⓘ protection of sea lanes ⓘ search and rescue ⓘ |
| hasPart |
aircraft fleet
ⓘ
hydrographic and oceanographic department ⓘ patrol vessel fleet ⓘ regional coast guard headquarters ⓘ special security teams ⓘ training institutes ⓘ |
| headquartersLocation |
Kasumigaseki, Chiyoda, Tokyo
ⓘ
Tokyo ⓘ |
| inception | 1948 ⓘ |
| jurisdiction |
contiguous zone of Japan
ⓘ
exclusive economic zone of Japan ⓘ territorial waters of Japan ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| legalForm | government agency ⓘ |
| nativeName |
Japan Coast Guard
self-linksurface differs
ⓘ
surface form:
海上保安庁
|
| operatesIn |
East China Sea
ⓘ
East China Sea ⓘ
surface form:
East China Sea around the Senkaku Islands
Pacific Ocean ⓘ Sea of Japan ⓘ |
| parentOrganization | Ministry of Land, Infrastructure, Transport and Tourism ⓘ |
| precededBy | Maritime Safety Agency ⓘ |
| sector |
disaster response
ⓘ
law enforcement ⓘ maritime safety ⓘ maritime security ⓘ |
| uses |
fixed-wing aircraft
ⓘ
helicopters ⓘ patrol vessels ⓘ radar systems ⓘ satellite-based monitoring ⓘ surveillance systems ⓘ |
| website | https://www.kaiho.mlit.go.jp/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Japan Coast Guard Description of subject: The Japan Coast Guard is Japan’s maritime safety and security agency responsible for law enforcement, search and rescue, and navigation safety in the country’s territorial waters and surrounding seas.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
AW139
this entity surface form:
海上保安庁
this entity surface form:
JCG (Japan Coast Guard)
this entity surface form:
Japan Coast Guard (Japanese side)
subject surface form:
Japan Coast Guard
this entity surface form:
海上保安庁
subject surface form:
Japan Coast Guard
this entity surface form:
Japan Coast Guard Law
subject surface form:
Japan Coast Guard
this entity surface form:
Japan Coast Guard emblem
subject surface form:
Special Security Team
subject surface form:
Special Security Team