Chōfu Station
E865962
Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chōfu Station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4127121 — 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: Chōfu Station Context triple: [Chōfu, railwayStation, Chōfu Station]
-
A.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
B.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
C.
Musashi-Koganei Station
Musashi-Koganei Station is a railway station in Koganei, Tokyo, serving as a key stop on the JR Chūō Line for commuters and visitors in western Tokyo.
-
D.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
E.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by 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: Chōfu Station Target entity description: Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
-
A.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
B.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
C.
Musashi-Koganei Station
Musashi-Koganei Station is a railway station in Koganei, Tokyo, serving as a key stop on the JR Chūō Line for commuters and visitors in western Tokyo.
-
D.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
E.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Keio Line station
ⓘ
railway station ⓘ |
| cityServed | Chōfu NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | electrified ⓘ |
| fareSystem | Keio fare system ⓘ |
| gauge | 1,372 mm ⓘ |
| hasAccessibilityFeature |
barrier-free access
ⓘ
elevators ⓘ escalators ⓘ |
| hasConnection | bus services ⓘ |
| hasFacility |
commercial facilities
ⓘ
restrooms ⓘ ticket gates ⓘ ticket machines ⓘ |
| hasRole | commuter rail hub ⓘ |
| hasService |
express trains
ⓘ
limited express trains ⓘ local trains ⓘ rapid trains ⓘ |
| isImportantStopOn |
Keio Line
NERFINISHED
ⓘ
Keio Sagamihara Line NERFINISHED ⓘ |
| isInterchangeBetween |
Keio Line
NERFINISHED
ⓘ
Keio Sagamihara Line NERFINISHED ⓘ |
| isMajorHubIn | Chōfu, Tokyo NERFINISHED ⓘ |
| line |
Keio Line
NERFINISHED
ⓘ
Keio Sagamihara Line NERFINISHED ⓘ |
| locatedIn |
Chōfu, Tokyo
NERFINISHED
ⓘ
Honshu ⓘ Japan ⓘ Kantō region ⓘ Tokyo ⓘ Tokyo Metropolis NERFINISHED ⓘ |
| near |
Chōfu City Hall
NERFINISHED
ⓘ
Chōfu city center ⓘ shopping streets in Chōfu ⓘ |
| numberOfPlatforms | 2 ⓘ |
| numberOfTracks | 4 ⓘ |
| operator | Keio Corporation NERFINISHED ⓘ |
| owner | Keio Corporation NERFINISHED ⓘ |
| platformType | island platform ⓘ |
| railwayNetwork | Keio railway network NERFINISHED ⓘ |
| regionServed |
central Tokyo
ⓘ
western Tokyo NERFINISHED ⓘ |
| serves | commuters between western Tokyo and central Tokyo ⓘ |
| serviceArea | Greater Tokyo Area NERFINISHED ⓘ |
| structureType | underground station ⓘ |
| ticketing | IC cards 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: Chōfu Station Description of subject: Chōfu Station is a major railway hub in Chōfu, Tokyo, serving as an important stop on the Keio railway network for commuters traveling between western Tokyo and central Tokyo.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chōfu