Sapporo Okadama Airport
E601459
Sapporo Okadama Airport is a regional airport in Sapporo, Japan, primarily serving domestic flights within Hokkaido.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sapporo Okadama Airport canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594596 — 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: Sapporo Okadama Airport Context triple: [Hokkaido Air System, hubAirport, Sapporo Okadama Airport]
-
A.
Tokachi-Obihiro Airport
Tokachi-Obihiro Airport is a regional airport in Hokkaido, Japan, serving the city of Obihiro and the surrounding Tokachi area with domestic flights.
-
B.
Niigata Airport
Niigata Airport is a regional and international airport serving the city of Niigata in Japan’s Hokuriku region, offering domestic flights and select international routes.
-
C.
Akita Airport
Akita Airport is a regional airport in Akita Prefecture, Japan, providing domestic flights and limited international services for the surrounding area.
-
D.
Miyako Airport
Miyako Airport is a regional airport serving Miyako Island in Japan’s Okinawa Prefecture, handling domestic flights and connecting the island to major Japanese cities.
-
E.
Wakkanai Airport
Wakkanai Airport is a regional airport in Japan’s northernmost city, providing domestic air connections to and from Wakkanai in Hokkaido.
- 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: Sapporo Okadama Airport Target entity description: Sapporo Okadama Airport is a regional airport in Sapporo, Japan, primarily serving domestic flights within Hokkaido.
-
A.
Tokachi-Obihiro Airport
Tokachi-Obihiro Airport is a regional airport in Hokkaido, Japan, serving the city of Obihiro and the surrounding Tokachi area with domestic flights.
-
B.
Niigata Airport
Niigata Airport is a regional and international airport serving the city of Niigata in Japan’s Hokuriku region, offering domestic flights and select international routes.
-
C.
Akita Airport
Akita Airport is a regional airport in Akita Prefecture, Japan, providing domestic flights and limited international services for the surrounding area.
-
D.
Miyako Airport
Miyako Airport is a regional airport serving Miyako Island in Japan’s Okinawa Prefecture, handling domestic flights and connecting the island to major Japanese cities.
-
E.
Wakkanai Airport
Wakkanai Airport is a regional airport in Japan’s northernmost city, providing domestic air connections to and from Wakkanai in Hokkaido.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | airport ⓘ |
| cityServed | Sapporo NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| distanceToCityCenter | approximately 5–10 km ⓘ |
| elevation |
25 m
ⓘ
82 ft ⓘ |
| formerUse | military airfield ⓘ |
| groundTransport |
bus connections
ⓘ
taxi services ⓘ |
| hasHelipad | yes ⓘ |
| hasNativeNameLanguage | ja ⓘ |
| hasNavigationAid | instrument approach procedures ⓘ |
| hasParking | car parking facilities ⓘ |
| hasRunway | Runway 14/32 ⓘ |
| hasTerminal | domestic terminal ⓘ |
| IATA code | OKD NERFINISHED ⓘ |
| ICAO code | RJCO NERFINISHED ⓘ |
| locatedIn |
Hokkaido
NERFINISHED
ⓘ
Sapporo NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Hokkaido Prefecture NERFINISHED ⓘ |
| locatedInDistrict | Higashi-ku, Sapporo NERFINISHED ⓘ |
| locatedInIsland | Hokkaido NERFINISHED ⓘ |
| nearbyAirport | New Chitose Airport NERFINISHED ⓘ |
| nearbyCity | Sapporo city center ⓘ |
| opened | 1944 ⓘ |
| operator | Hokkaido Airports Co., Ltd. NERFINISHED ⓘ |
| primaryUse |
domestic flights
ⓘ
regional flights ⓘ |
| regionServed | Hokkaido NERFINISHED ⓘ |
| runwayLength |
1500 m
ⓘ
4921 ft ⓘ |
| runwaySurface | asphalt ⓘ |
| serves | Sapporo NERFINISHED ⓘ |
| servesAirlineType | regional airlines ⓘ |
| servesTrafficType |
general aviation
ⓘ
scheduled passenger flights ⓘ |
| timezone | Japan Standard Time NERFINISHED ⓘ |
| usedFor |
business travel within Hokkaido
ⓘ
tourism within Hokkaido ⓘ |
| UTC offset | +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: Sapporo Okadama Airport Description of subject: Sapporo Okadama Airport is a regional airport in Sapporo, Japan, primarily serving domestic flights within Hokkaido.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.