Keio Keibajō Line
E808205
The Keio Keibajō Line is a short branch railway line in Tokyo, Japan, operated by Keio Corporation to serve the Tokyo Racecourse area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keio Keibajo Line | 2 |
| Keio Keibajō Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6154377 — 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: Keio Keibajō Line Context triple: [Keio fare system, appliesTo, Keio Keibajō Line]
-
A.
Keio Line
The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
-
B.
Keio Sagamihara Line
The Keio Sagamihara Line is a commuter railway line in the Tokyo metropolitan area operated by Keio Corporation, connecting suburban communities with central Tokyo.
-
C.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
D.
Seishin-Yamate Line
The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
-
E.
Tōkyū Ōimachi Line
The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
- 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: Keio Keibajō Line Target entity description: The Keio Keibajō Line is a short branch railway line in Tokyo, Japan, operated by Keio Corporation to serve the Tokyo Racecourse area.
-
A.
Keio Line
The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
-
B.
Keio Sagamihara Line
The Keio Sagamihara Line is a commuter railway line in the Tokyo metropolitan area operated by Keio Corporation, connecting suburban communities with central Tokyo.
-
C.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
D.
Seishin-Yamate Line
The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
-
E.
Tōkyū Ōimachi Line
The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| category |
Keio Corporation lines
ⓘ
linked to:
Keio railway network
Railway lines in Tokyo ⓘ |
| connectsWith | Keio Line ⓘ |
| country | Japan ⓘ |
| depot | Higashi-Fuchū depot ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| endPoint | Fuchūkeiba-seimommae Station NERFINISHED ⓘ |
| hasStation |
Fuchūkeiba-seimommae Station
NERFINISHED
ⓘ
Higashi-Fuchū Station NERFINISHED ⓘ |
| lineColor | purple (same as Keio Line) ⓘ |
| lineLength |
0.9 km
ⓘ
approximately 0.9 kilometres ⓘ |
| locale |
Tokyo Metropolis
ⓘ
linked to:
Tokyo Metropolis, Japan
|
| locatedIn |
Fuchū, Tokyo
ⓘ
linked to:
Fuchu, Tokyo
Japan ⓘ Tokyo ⓘ |
| nativeName | 京王競馬場線 ⓘ |
| nativeNameLanguage | ja ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1955 ⓘ |
| operator | Keio Corporation ⓘ |
| owner | Keio Corporation ⓘ |
| partOf |
Keio network
ⓘ
linked to:
Keio
|
| primaryPurpose | access to Tokyo Racecourse ⓘ |
| railwaySignaling | automatic block signaling ⓘ |
| railwaySystem | Keio Railway ⓘ |
| regionServed | western Tokyo ⓘ |
| serves | Tokyo Racecourse ⓘ |
| servesFacility |
Tokyo Racecourse grandstand area
ⓘ
linked to:
Tokyo Racecourse
|
| serviceFrequency | increased on race days ⓘ |
| servicePattern | shuttle services ⓘ |
| serviceType | passenger ⓘ |
| startingPoint | Higashi-Fuchū Station NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminus |
Fuchūkeiba-seimommae Station
NERFINISHED
ⓘ
Higashi-Fuchū Station NERFINISHED ⓘ |
| trackGauge | 1,372 mm ⓘ |
| usesRollingStock |
Keio 7000 series
ⓘ
Keio 8000 series ⓘ Keio 9000 series ⓘ |
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: Keio Keibajō Line Description of subject: The Keio Keibajō Line is a short branch railway line in Tokyo, Japan, operated by Keio Corporation to serve the Tokyo Racecourse area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keio Keibajō Line
linked to: Keio Keibajō Line