Tachikawa airfield
E885710
Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tachikawa Airfield | 1 |
| Tachikawa airfield canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10798943 — 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: Tachikawa airfield Context triple: [Tachikawa Aircraft Company, operatedAirfields, Tachikawa airfield]
-
A.
Nagoya Airfield
Nagoya Airfield is a regional airport in Nagoya, Japan, primarily serving domestic flights and business aviation after the opening of Chubu Centrair International Airport.
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B.
Matsushima Air Base
Matsushima Air Base is a Japan Air Self-Defense Force installation in Miyagi Prefecture best known as the home base of the Blue Impulse aerobatic demonstration team.
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C.
Amakusa Airfield
Amakusa Airfield is a regional airport in Kumamoto Prefecture, Japan, serving the Amakusa Islands with domestic flights.
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D.
Tsuiki Air Base
Tsuiki Air Base is a major Japan Air Self-Defense Force installation in Fukuoka Prefecture known for hosting fighter squadrons and air defense operations.
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E.
Hyakuri Air Base
Hyakuri Air Base is a major Japan Air Self-Defense Force installation in Ibaraki Prefecture that serves as a key hub for fighter and training operations.
- 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: Tachikawa airfield Target entity description: Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
-
A.
Nagoya Airfield
Nagoya Airfield is a regional airport in Nagoya, Japan, primarily serving domestic flights and business aviation after the opening of Chubu Centrair International Airport.
-
B.
Matsushima Air Base
Matsushima Air Base is a Japan Air Self-Defense Force installation in Miyagi Prefecture best known as the home base of the Blue Impulse aerobatic demonstration team.
-
C.
Amakusa Airfield
Amakusa Airfield is a regional airport in Kumamoto Prefecture, Japan, serving the Amakusa Islands with domestic flights.
-
D.
Tsuiki Air Base
Tsuiki Air Base is a major Japan Air Self-Defense Force installation in Fukuoka Prefecture known for hosting fighter squadrons and air defense operations.
-
E.
Hyakuri Air Base
Hyakuri Air Base is a major Japan Air Self-Defense Force installation in Ibaraki Prefecture that serves as a key hub for fighter and training operations.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
former Japan Air Self-Defense Force base
ⓘ
former United States Air Force base ⓘ military air base ⓘ |
| controlledBy | United States Forces Japan NERFINISHED ⓘ |
| country | Japan ⓘ |
| currentUse |
Japan Coast Guard aviation base
ⓘ
Japan Self-Defense Forces base ⓘ Tokyo Metropolitan Police Department aviation base NERFINISHED ⓘ civil aviation ⓘ |
| hasFunction |
disaster response base
ⓘ
helicopter operations ⓘ search and rescue operations ⓘ |
| historicalSignificance |
major logistics and transport hub for US forces in Japan
ⓘ
one of the largest US air bases in Japan during the early Cold War ⓘ |
| locatedIn |
Honshu
ⓘ
Kantō region ⓘ Tachikawa, Tokyo NERFINISHED ⓘ Tokyo Metropolis NERFINISHED ⓘ |
| near |
Showa Kinen Park
NERFINISHED
ⓘ
Tachikawa Station NERFINISHED ⓘ |
| notableUnitStationed |
315th Air Division
NERFINISHED
ⓘ
374th Troop Carrier Wing NERFINISHED ⓘ United States Army Japan NERFINISHED ⓘ |
| operator |
Japan Air Self-Defense Force
NERFINISHED
ⓘ
Japan Coast Guard NERFINISHED ⓘ Japan Ground Self-Defense Force NERFINISHED ⓘ Japan Maritime Self-Defense Force NERFINISHED ⓘ Tokyo Metropolitan Police Department NERFINISHED ⓘ |
| originalUse | Imperial Japanese Army airfield ⓘ |
| partiallyConvertedTo |
Showa Kinen Park
NERFINISHED
ⓘ
commercial area ⓘ public park ⓘ residential area ⓘ |
| postMilitaryRedevelopment |
creation of national government parkland
ⓘ
development of civic facilities ⓘ |
| postwarRole | major USAF transport base ⓘ |
| regionServed | Tokyo metropolitan area NERFINISHED ⓘ |
| runwaySurface | paved ⓘ |
| status | partially closed ⓘ |
| usedBy |
Imperial Japanese Army Air Service
NERFINISHED
ⓘ
Japan Air Self-Defense Force NERFINISHED ⓘ Japan Ground Self-Defense Force NERFINISHED ⓘ Japan Maritime Self-Defense Force NERFINISHED ⓘ United States Air Force ⓘ United States Army Air Forces NERFINISHED ⓘ |
| usedDuringConflict |
Korean War
NERFINISHED
ⓘ
Vietnam War NERFINISHED ⓘ World War II NERFINISHED ⓘ |
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: Tachikawa airfield Description of subject: Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tachikawa Airfield