RJCM
E1027854
RJCM is the ICAO airport code assigned to Memanbetsu Airport in Hokkaido, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RJCM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13221343 — 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: RJCM Context triple: [Memanbetsu Airport, ICAOcode, RJCM]
-
A.
JMO
JMO is the IATA airport code for Jomsom Airport, a domestic airport serving the town of Jomsom in Nepal’s Mustang region.
-
B.
RJCO
RJCO is the ICAO airport code for Okadama Airport in Sapporo, Japan.
-
C.
RJCC
RJCC is the ICAO airport code for New Chitose Airport, the main international gateway serving Sapporo and the Hokkaido region of Japan.
-
D.
Canadian Open Mathematics Challenge
The Canadian Open Mathematics Challenge is a nationwide mathematics competition for Canadian high school students that serves as a qualifier for further national and international math contests.
-
E.
RJH
RJH is the IATA airport code for Shah Makhdum Airport serving Rajshahi in western Bangladesh.
- 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: RJCM Target entity description: RJCM is the ICAO airport code assigned to Memanbetsu Airport in Hokkaido, Japan.
-
A.
JMO
JMO is the IATA airport code for Jomsom Airport, a domestic airport serving the town of Jomsom in Nepal’s Mustang region.
-
B.
RJCO
RJCO is the ICAO airport code for Okadama Airport in Sapporo, Japan.
-
C.
RJCC
RJCC is the ICAO airport code for New Chitose Airport, the main international gateway serving Sapporo and the Hokkaido region of Japan.
-
D.
Canadian Open Mathematics Challenge
The Canadian Open Mathematics Challenge is a nationwide mathematics competition for Canadian high school students that serves as a qualifier for further national and international math contests.
-
E.
RJH
RJH is the IATA airport code for Shah Makhdum Airport serving Rajshahi in western Bangladesh.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport code ⓘ |
| assignedBy | International Civil Aviation Organization ⓘ |
| associatedCity |
Ōzora, Hokkaido
ⓘ
linked to:
Ozora, Hokkaido
|
| associatedCountry | Japan ⓘ |
| associatedPrefecture |
Hokkaido Prefecture
ⓘ
linked to:
Prefecture of Hokkaido
|
| codeType |
ICAO
ⓘ
linked to:
International Civil Aviation Organization
|
| continent | Asia ⓘ |
| country | Japan ⓘ |
| hasIATACompanionCode | MMB ⓘ |
| icaoCodeFor | Memanbetsu Airport ⓘ |
| identifies | Memanbetsu Airport ⓘ |
| isFourLetterCode | true ⓘ |
| locatedIn | Hokkaido ⓘ |
| mapsToAirportRunwayDirectionSystem | Memanbetsu Airport ⓘ |
| regionCodePrefix | RJ ⓘ |
| usedFor |
airTrafficControl
ⓘ
aviationWeatherReports ⓘ flightPlanning ⓘ |
| usedIn | Japan airspace system ⓘ |
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: RJCM Description of subject: RJCM is the ICAO airport code assigned to Memanbetsu Airport in Hokkaido, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Memanbetsu Airport (nearby)