Keisei Oshiage Line at Oshiage
E664497
The Keisei Oshiage Line at Oshiage is a commuter railway line in Tokyo operated by Keisei Electric Railway, serving as a key connection between central Tokyo and the Keisei network toward Chiba and Narita.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keisei Oshiage Line at Oshiage canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7437959 — 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: Keisei Oshiage Line at Oshiage Context triple: [Oshiage Station (Toei Asakusa Line), providesTransferTo, Keisei Oshiage Line at Oshiage]
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A.
Fukuchiyama Line urban section
The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
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B.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
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C.
Nagahori Tsurumi-ryokuchi Line
The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
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D.
Rinkai Line
The Rinkai Line is a Tokyo railway line that connects central Tokyo with the waterfront Odaiba area and other bayside districts.
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E.
Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
- 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: Keisei Oshiage Line at Oshiage Target entity description: The Keisei Oshiage Line at Oshiage is a commuter railway line in Tokyo operated by Keisei Electric Railway, serving as a key connection between central Tokyo and the Keisei network toward Chiba and Narita.
-
A.
Fukuchiyama Line urban section
The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
-
B.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
-
C.
Nagahori Tsurumi-ryokuchi Line
The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
-
D.
Rinkai Line
The Rinkai Line is a Tokyo railway line that connects central Tokyo with the waterfront Odaiba area and other bayside districts.
-
E.
Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| connectsTo |
Chiba Prefecture
NERFINISHED
ⓘ
Keisei network NERFINISHED ⓘ Narita area ⓘ central Tokyo ⓘ |
| country | Japan ⓘ |
| electrification | overhead catenary ⓘ |
| hasConnectionRole | key connection between central Tokyo and Keisei network toward Chiba and Narita ⓘ |
| locatedIn | Tokyo ⓘ |
| network | Keisei Electric Railway network NERFINISHED ⓘ |
| operator | Keisei Electric Railway NERFINISHED ⓘ |
| owner | Keisei Electric Railway NERFINISHED ⓘ |
| partOf | Keisei Oshiage Line NERFINISHED ⓘ |
| primaryFunction | urban commuter transport ⓘ |
| railwayCompanyType | private railway operator ⓘ |
| railwayGauge | 1,435 mm standard gauge ⓘ |
| regionServed | Kantō region NERFINISHED ⓘ |
| servesStation | Oshiage Station NERFINISHED ⓘ |
| serviceType | commuter service ⓘ |
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: Keisei Oshiage Line at Oshiage Description of subject: The Keisei Oshiage Line at Oshiage is a commuter railway line in Tokyo operated by Keisei Electric Railway, serving as a key connection between central Tokyo and the Keisei network toward Chiba and Narita.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Oshiage Station (Toei Asakusa Line)