Yamatoji Rapid Service
E319169
Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yamatoji Rapid Service canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2997823 — 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 Rapid Service Context triple: [Yamatoji Line, connectsWithLine, Yamatoji Rapid Service]
-
A.
Umeda Freight Line
The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
-
B.
Keiō New Line
The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
E.
Sōbu Line Rapid
The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
- 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 Rapid Service Target entity description: Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
-
A.
Umeda Freight Line
The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
-
B.
Keiō New Line
The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
E.
Sōbu Line Rapid
The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail service
ⓘ
passenger train service ⓘ |
| connects |
Nara urban area
ⓘ
Osaka–Kobe metropolitan area ⓘ
surface form:
Osaka urban area
|
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareSystem | JR West fare system ⓘ |
| hasSeating | longitudinal seating in most cars ⓘ |
| introducedBy | JR West ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn | Kansai region ⓘ |
| majorStop |
Kyuhoji Station
NERFINISHED
ⓘ
Oji Station NERFINISHED ⓘ Tennoji Station NERFINISHED ⓘ Tsuruhashi Station NERFINISHED ⓘ |
| nameWrittenInJapanese | 大和路快速 ⓘ |
| network | JR West Urban Network ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| partOf |
Kansai Main Line
ⓘ
surface form:
Kansai Main Line corridor
|
| peakUsage | commuter rush hours ⓘ |
| primaryFunction | rapid transit commuter service ⓘ |
| railwayCompanyType | JR Group company service ⓘ |
| rollingStock |
221 series EMU
ⓘ
225 series EMU ⓘ 323 series EMU ⓘ |
| routeOrientation | Osaka–Nara corridor ⓘ |
| servesArea |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture ⓘ |
| serviceCategory | urban commuter rail ⓘ |
| serviceFrequency | high frequency commuter service ⓘ |
| servicePattern | limited-stop ⓘ |
| serviceSpeedCategory | faster than local trains ⓘ |
| serviceType | rapid service ⓘ |
| stopPattern | skips some local stations ⓘ |
| terminus |
JR Namba Station
ⓘ
Nara Station NERFINISHED ⓘ |
| ticketing | IC card compatible ⓘ |
| ticketRequirement | no limited express surcharge required ⓘ |
| trackGauge | 1,067 mm ⓘ |
| usesLine |
Kansai Main Line
ⓘ
Osaka Loop Line ⓘ Yamatoji Line NERFINISHED ⓘ |
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 Rapid Service Description of subject: Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.