Meitetsu Nagoya Main Line
E525362
The Meitetsu Nagoya Main Line is a major private railway line in Japan’s Chubu region that connects Nagoya with surrounding cities and serves as a key commuter and intercity route.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Meitetsu Nagoya Main Line canonical | 2 |
| Nagoya Railroad lines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3040082 — 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: Meitetsu Nagoya Main Line Context triple: [Nagoya Station, servedBy, Meitetsu Nagoya Main Line]
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
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C.
Nagasaki Main Line
The Nagasaki Main Line is a major railway corridor in Kyushu, Japan, connecting key cities including Nagasaki and Fukuoka and now operated by JR Kyushu.
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D.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
E.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter 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: Meitetsu Nagoya Main Line Target entity description: The Meitetsu Nagoya Main Line is a major private railway line in Japan’s Chubu region that connects Nagoya with surrounding cities and serves as a key commuter and intercity route.
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
C.
Nagasaki Main Line
The Nagasaki Main Line is a major railway corridor in Kyushu, Japan, connecting key cities including Nagasaki and Fukuoka and now operated by JR Kyushu.
-
D.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
E.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| connects |
Nagoya
NERFINISHED
ⓘ
Toyohashi NERFINISHED ⓘ |
| connectsToLine |
JR Central Tokaido Main Line
NERFINISHED
ⓘ
JR Central Tokaido Shinkansen NERFINISHED ⓘ Meitetsu Bisai Line NERFINISHED ⓘ Meitetsu Hashima Line NERFINISHED ⓘ Meitetsu Inuyama Line NERFINISHED ⓘ Meitetsu Kōwa Line NERFINISHED ⓘ Meitetsu Mikawa Line NERFINISHED ⓘ Meitetsu Nishio Line NERFINISHED ⓘ Meitetsu Seto Line NERFINISHED ⓘ Meitetsu Tokoname Line NERFINISHED ⓘ Nagoya Municipal Subway NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| fareSystem | integrated with Meitetsu IC card system ⓘ |
| gauge | 1067 mm ⓘ |
| hasRollingStockOperator |
Meitetsu 2200 series
NERFINISHED
ⓘ
Meitetsu 3150 series NERFINISHED ⓘ Meitetsu 3300 series NERFINISHED ⓘ Meitetsu 5000 series NERFINISHED ⓘ |
| locatedIn |
Aichi Prefecture
NERFINISHED
ⓘ
Chubu region NERFINISHED ⓘ Gifu Prefecture NERFINISHED ⓘ |
| majorStation |
Chiryū Station
NERFINISHED
ⓘ
Jingu-mae Station NERFINISHED ⓘ Kanayama Station NERFINISHED ⓘ Meitetsu Gifu Station NERFINISHED ⓘ Nagoya Station NERFINISHED ⓘ |
| operator | Nagoya Railroad NERFINISHED ⓘ |
| owner | Nagoya Railroad NERFINISHED ⓘ |
| partOfNetwork | Meitetsu network NERFINISHED ⓘ |
| primaryUse |
commuter traffic
ⓘ
intercity traffic ⓘ |
| regionServed |
Gifu area
NERFINISHED
ⓘ
Mikawa region NERFINISHED ⓘ Nagoya metropolitan area NERFINISHED ⓘ |
| role | main trunk line of Meitetsu ⓘ |
| serviceType |
express
ⓘ
limited express ⓘ local ⓘ rapid ⓘ |
| terminus |
Gifu Station
NERFINISHED
ⓘ
Toyohashi Station NERFINISHED ⓘ |
| trackConfiguration | double track ⓘ |
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: Meitetsu Nagoya Main Line Description of subject: The Meitetsu Nagoya Main Line is a major private railway line in Japan’s Chubu region that connects Nagoya with surrounding cities and serves as a key commuter and intercity route.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Toyohashi
this entity surface form:
Nagoya Railroad lines