Nankai Koya Line
E102999
The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Nankai Koya Line canonical | 7 |
| Namba–Gokurakubashi section of Nankai Koya Line | 1 |
| Nankai Kōya Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T760260 — 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: Nankai Koya Line Context triple: [Namba Station, railwayLine, Nankai Koya Line]
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
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.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
E.
Nankai Main Line
The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
- 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: Nankai Koya Line Target entity description: The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
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.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
E.
Nankai Main Line
The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
private railway line ⓘ railway line ⓘ |
| connects |
Mount Koya Buddhist monastic complex
ⓘ
surface form:
Mount Koya area
Osaka ⓘ
surface form:
Osaka City
|
| connectsTo | Nankai Main Line ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| gauge | 1067 mm ⓘ |
| hasConnection | cable car to Mount Koya area ⓘ |
| hasRollingStockType |
Nankai limited express EMUs
ⓘ
surface form:
Nankai commuter EMUs
Nankai limited express EMUs ⓘ |
| locatedIn |
Japan
ⓘ
Osaka Prefecture ⓘ |
| notableDestination | Koyasan ⓘ |
| operator | Nankai Electric Railway ⓘ |
| owner | Nankai Electric Railway ⓘ |
| partOfNetwork | Nankai Electric Railway network ⓘ |
| primaryFunction | commuter transport in Osaka region ⓘ |
| railwayCompanyType | private railway company line ⓘ |
| regionServed |
Osaka Prefecture
ⓘ
surface form:
Osaka region
|
| secondaryFunction | access to Mount Koya ⓘ |
| serves |
commuters
ⓘ
tourists ⓘ |
| serviceType |
express trains
ⓘ
limited express trains ⓘ local trains ⓘ |
| terminus |
Gokurakubashi Station
NERFINISHED
ⓘ
Namba Station NERFINISHED ⓘ |
| trackConfiguration | double track (in most sections) ⓘ |
| 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: Nankai Koya Line Description of subject: The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nankai Kōya Line
this entity surface form:
Namba–Gokurakubashi section of Nankai Koya Line