RJOI
E915232
RJOI is the ICAO airport code for Marine Corps Air Station Iwakuni, a United States Marine Corps airbase located in Iwakuni, Yamaguchi Prefecture, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RJOI canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11279984 — 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: RJOI Context triple: [Marine Corps Air Station Iwakuni, ICAOCode, RJOI]
-
A.
IOJ
IOJ is Jamaica’s national cultural institution responsible for preserving, researching, and promoting the country’s history, arts, and heritage.
-
B.
NOI
NOI is a concise instructional text in the Gaudiya Vaishnava tradition that offers practical guidance on progressive spiritual life and devotion to Krishna.
-
C.
IOI
IOI is a global non-governmental organization dedicated to promoting sustainable ocean governance, marine policy education, and capacity building for the protection and management of the world’s seas.
-
D.
OJ
OJ is the post-nominal abbreviation used to denote membership in the Order of Jamaica, one of the country’s highest national honours.
-
E.
RJCO
RJCO is the ICAO airport code for Okadama Airport in Sapporo, Japan.
- 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: RJOI Target entity description: RJOI is the ICAO airport code for Marine Corps Air Station Iwakuni, a United States Marine Corps airbase located in Iwakuni, Yamaguchi Prefecture, Japan.
-
A.
IOJ
IOJ is Jamaica’s national cultural institution responsible for preserving, researching, and promoting the country’s history, arts, and heritage.
-
B.
NOI
NOI is a concise instructional text in the Gaudiya Vaishnava tradition that offers practical guidance on progressive spiritual life and devotion to Krishna.
-
C.
IOI
IOI is a global non-governmental organization dedicated to promoting sustainable ocean governance, marine policy education, and capacity building for the protection and management of the world’s seas.
-
D.
OJ
OJ is the post-nominal abbreviation used to denote membership in the Order of Jamaica, one of the country’s highest national honours.
-
E.
RJCO
RJCO is the ICAO airport code for Okadama Airport in Sapporo, Japan.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ military air base ⓘ |
| country | Japan ⓘ |
| hasCivilEnclave | Iwakuni Kintaikyo Airport NERFINISHED ⓘ |
| hasGarrison |
Carrier Air Wing 5 (periodically)
NERFINISHED
ⓘ
Marine Aircraft Group 12 NERFINISHED ⓘ |
| hasRunway | 02/20 ⓘ |
| IATACode | IWK NERFINISHED ⓘ |
| ICAOCodeFor | Marine Corps Air Station Iwakuni NERFINISHED ⓘ |
| locatedInCity | Iwakuni NERFINISHED ⓘ |
| locatedInPrefecture | Yamaguchi Prefecture NERFINISHED ⓘ |
| locatedOnIsland | Honshu ⓘ |
| location | Iwakuni, Yamaguchi Prefecture, Japan NERFINISHED ⓘ |
| operator | United States Marine Corps ⓘ |
| partOf | United States Forces Japan facilities NERFINISHED ⓘ |
| runwayLength_ft | 8000 ⓘ |
| runwayLength_m | 2440 ⓘ |
| runwaySurface |
asphalt
ⓘ
concrete ⓘ |
| serves |
Hiroshima metropolitan area
NERFINISHED
ⓘ
Iwakuni NERFINISHED ⓘ Yamaguchi Prefecture NERFINISHED ⓘ |
| sharesFacilitiesWith | Iwakuni Kintaikyo Airport NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
| usedBy |
Japan Air Self-Defense Force
NERFINISHED
ⓘ
Japan Maritime Self-Defense Force NERFINISHED ⓘ United States Marine Corps ⓘ United States Navy ⓘ |
| UTCOffset | +09:00 ⓘ |
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: RJOI Description of subject: RJOI is the ICAO airport code for Marine Corps Air Station Iwakuni, a United States Marine Corps airbase located in Iwakuni, Yamaguchi Prefecture, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.