Nagaoka Station
E446034
Nagaoka Station is a major railway hub in Niigata Prefecture, Japan, serving both local and Shinkansen high-speed train lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nagaoka Station canonical | 2 |
| 長岡駅 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1426947 — 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: Nagaoka Station Context triple: [Nagaoka, Niigata, Japan, hasRailwayStation, Nagaoka Station]
-
A.
Kanda Station
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
-
B.
Namba Station
Namba Station is one of Osaka’s major railway and subway terminals, serving as a key commercial and transportation hub in the city’s bustling Namba district.
-
C.
Takaido Station
Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
-
D.
Toda Station
Toda Station is a railway station in Toda, Saitama Prefecture, Japan, operated by JR East and located on a major commuter route into central Tokyo.
-
E.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
- 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: Nagaoka Station Target entity description: Nagaoka Station is a major railway hub in Niigata Prefecture, Japan, serving both local and Shinkansen high-speed train lines.
-
A.
Kanda Station
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
-
B.
Namba Station
Namba Station is one of Osaka’s major railway and subway terminals, serving as a key commercial and transportation hub in the city’s bustling Namba district.
-
C.
Takaido Station
Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
-
D.
Toda Station
Toda Station is a railway station in Toda, Saitama Prefecture, Japan, operated by JR East and located on a major commuter route into central Tokyo.
-
E.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira Line.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen station
ⓘ
railway station ⓘ |
| category |
Joetsu Shinkansen stations
ⓘ
Railway stations in Niigata Prefecture ⓘ Stations of East Japan Railway Company ⓘ |
| country | Japan ⓘ |
| distanceFromTokyoStationOnJoetsuShinkansen | approximately 270 km ⓘ |
| electrification | electrified ⓘ |
| hasAccessibilityFeature |
barrier-free access
ⓘ
elevators ⓘ escalators ⓘ |
| hasAdjacentStationOnJoetsuShinkansen |
Tsubame-Sanjo Station
ⓘ
Urasa Station ⓘ |
| hasAdjacentStationOnShinetsuMainLine |
Kita-Nagaoka Station
ⓘ
Miyauchi Station ⓘ |
| hasFacility |
automatic ticket gates
ⓘ
bus terminal nearby ⓘ kiosks ⓘ restaurant area ⓘ restrooms ⓘ shops ⓘ taxi stand nearby ⓘ waiting room ⓘ |
| hasNativeName |
長岡駅
ⓘ
linked to:
Nagaoka Station
|
| hasNativeNameLanguage | ja ⓘ |
| hasStationCode |
JA28 (Shinetsu Main Line)
ⓘ
linked to:
Shinetsu Main Line
JY (local coding may vary by line) ⓘ |
| hasTicketOffice | Midori no Madoguchi ⓘ |
| isMajorHubFor | rail transport in Niigata Prefecture ⓘ |
| locatedIn |
Nagaoka, Niigata Prefecture, Japan
ⓘ
linked to:
Nagaoka, Niigata, Japan
|
| locatedInAdministrativeTerritory | Niigata Prefecture ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| openingDate | 1898-06-16 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner | East Japan Railway Company ⓘ |
| platformConfiguration | island platforms ⓘ |
| railwayLineServed |
Hachiko Line through services (via Joetsu Line)
ⓘ
Joetsu Line ⓘ
linked to:
Jōetsu Line
Joetsu Shinkansen ⓘ
linked to:
Jōetsu Shinkansen
Shinetsu Main Line ⓘ |
| servedByServiceType |
Shinkansen high-speed trains
ⓘ
limited express trains ⓘ local trains ⓘ |
| servesCity | Nagaoka ⓘ |
| structureType |
at-grade station (conventional lines)
ⓘ
elevated station (Shinkansen platforms) ⓘ |
| ticketingSystem | Suica accepted ⓘ |
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: Nagaoka Station Description of subject: Nagaoka Station is a major railway hub in Niigata Prefecture, Japan, serving both local and Shinkansen high-speed train lines.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nagaoka Station