Yamatoji Line
E81112
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Yamatoji Line canonical | 13 |
| JR Yamatoji Line | 2 |
| Nara Line railways | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T635915 — 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: Yamatoji Line Context triple: [Tennoji Station, railwayLine, Yamatoji 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.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
C.
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.
-
D.
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.
-
E.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
- 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: Yamatoji Line Target entity description: 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.
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
C.
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.
-
D.
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.
-
E.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
intercity rail line ⓘ railway line ⓘ |
| connectsCity |
Nara
ⓘ
Osaka ⓘ |
| connectsWithLine |
Osaka Loop Line
ⓘ
Yamatoji Rapid Service ⓘ |
| country | Japan ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | integrated with ICOCA area ⓘ |
| hasServiceType |
local trains
ⓘ
rapid trains ⓘ regional trains ⓘ |
| locale |
Nara Prefecture
ⓘ
Osaka Prefecture ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| owner | West Japan Railway Company ⓘ |
| partOfNetwork | JR West Urban Network ⓘ |
| primaryUse |
commuter traffic
ⓘ
intercity traffic ⓘ |
| railwayCompanyType | JR Group company line ⓘ |
| railwaySignColor | orange ⓘ |
| regionServed | Kansai region ⓘ |
| status | in operation ⓘ |
| terminus |
JR Namba Station
ⓘ
Nara Station ⓘ |
| trackGauge | 1,067 mm ⓘ |
| usesRouteNameFor | section of Kansai Main Line ⓘ |
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: Yamatoji Line Description of subject: 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.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yamatoji Line
linked to: Yamatoji Line
linked to: Yamatoji Line