Keio New Line
E170255
Keio New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation as part of the Keio network serving western suburbs of the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keio New Line canonical | 8 |
| Keio network | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1480726 — 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 New Line Context triple: [Sasazuka, railwayLine, Keio New Line]
-
A.
Kashio Seisakujo
Kashio Seisakujo was the original small Japanese manufacturing workshop founded by the Kashio brothers that evolved into the global electronics company Casio.
-
B.
Kaisei Academy
Kaisei Academy is a prestigious Japanese boys' secondary school in Tokyo known for its rigorous academics and history of producing many prominent political and intellectual leaders.
-
C.
Aoyama Gakuin University
Aoyama Gakuin University is a private Christian university in Tokyo known for its strong humanities, social sciences, and business programs and its central urban campus atmosphere.
-
D.
Seikei University
Seikei University is a private Japanese university in Tokyo known for educating several prominent political and business leaders, including former Prime Minister Shinzo Abe.
-
E.
Gakushuin University
Gakushuin University is a prestigious private university in Tokyo historically known for educating members of Japan’s imperial family and elite.
- 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 New Line Target entity description: Keio New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation as part of the Keio network serving western suburbs of the city.
-
A.
Kashio Seisakujo
Kashio Seisakujo was the original small Japanese manufacturing workshop founded by the Kashio brothers that evolved into the global electronics company Casio.
-
B.
Kaisei Academy
Kaisei Academy is a prestigious Japanese boys' secondary school in Tokyo known for its rigorous academics and history of producing many prominent political and intellectual leaders.
-
C.
Aoyama Gakuin University
Aoyama Gakuin University is a private Christian university in Tokyo known for its strong humanities, social sciences, and business programs and its central urban campus atmosphere.
-
D.
Seikei University
Seikei University is a private Japanese university in Tokyo known for educating several prominent political and business leaders, including former Prime Minister Shinzo Abe.
-
E.
Gakushuin University
Gakushuin University is a prestigious private university in Tokyo historically known for educating members of Japan’s imperial family and elite.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line in Japan ⓘ |
| connectsWith |
Keio Line
NERFINISHED
ⓘ
Toei Shinjuku Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| hasElectrificationSystem | 1,500 V DC overhead ⓘ |
| hasGaugeType | narrow gauge ⓘ |
| hasOperator | Keio Corporation ⓘ |
| isInMetropolitanArea |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
|
| locatedIn |
Japan
ⓘ
Tokyo ⓘ |
| locatedInCity | Tokyo ⓘ |
| networkType | urban rail network ⓘ |
| operator | Keio Corporation ⓘ |
| owner | Keio Corporation ⓘ |
| partOf | Keio network ⓘ |
| primaryUse | passenger transport ⓘ |
| railwayGauge | 1,372 mm ⓘ |
| railwaySystem |
Keio Electric Railway network
ⓘ
linked to:
Keio railway network
|
| regionServed | Kantō region ⓘ |
| serves | western suburbs of Tokyo ⓘ |
| serviceType | commuter service ⓘ |
| trackConfiguration | double track ⓘ |
| transportMode | rail ⓘ |
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 New Line Description of subject: Keio New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation as part of the Keio network serving western suburbs of the city.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keio New Line
linked to: Keio New Line
linked to: Keio New Line