Kintetsu Keihanna Line
E525922
The Kintetsu Keihanna Line is a commuter railway line in the Kansai region of Japan operated by Kintetsu Railway, connecting Osaka with its eastern suburbs and serving as part of a major interurban transit corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kintetsu Keihanna Line canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3499103 — 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: Kintetsu Keihanna Line Context triple: [Chuo Line (Osaka Metro), throughServicesWith, Kintetsu Keihanna Line]
-
A.
Kintetsu Namba Line
The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
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B.
Hankyu Senri Line
The Hankyu Senri Line is a commuter railway line in the Osaka area of Japan operated by Hankyu Railway, serving suburban communities and connecting them to central Osaka.
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C.
Kintetsu Kashihara Line
The Kintetsu Kashihara Line is a major commuter railway line in Japan’s Kansai region, connecting cities in Nara and Osaka Prefectures as part of the Kintetsu Railway network.
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D.
Nankai Koya Line
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.
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E.
Hanshin Mukogawa Line
The Hanshin Mukogawa Line is a short commuter railway branch line in Hyōgo Prefecture, Japan, providing local transit service as part of the Hanshin Electric Railway 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: Kintetsu Keihanna Line Target entity description: The Kintetsu Keihanna Line is a commuter railway line in the Kansai region of Japan operated by Kintetsu Railway, connecting Osaka with its eastern suburbs and serving as part of a major interurban transit corridor.
-
A.
Kintetsu Namba Line
The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
-
B.
Hankyu Senri Line
The Hankyu Senri Line is a commuter railway line in the Osaka area of Japan operated by Hankyu Railway, serving suburban communities and connecting them to central Osaka.
-
C.
Kintetsu Kashihara Line
The Kintetsu Kashihara Line is a major commuter railway line in Japan’s Kansai region, connecting cities in Nara and Osaka Prefectures as part of the Kintetsu Railway network.
-
D.
Nankai Koya Line
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.
-
E.
Hanshin Mukogawa Line
The Hanshin Mukogawa Line is a short commuter railway branch line in Hyōgo Prefecture, Japan, providing local transit service as part of the Hanshin Electric Railway network.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line in Japan ⓘ |
| character | mostly underground and elevated ⓘ |
| connects |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture NERFINISHED ⓘ |
| connectsTo | Osaka Metro Chūō Line at Nagata Station NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareIntegrationWith | Osaka Metro NERFINISHED ⓘ |
| fareSystem | Kintetsu Railway fare system ⓘ |
| formerName | Higashi-Osaka Line NERFINISHED ⓘ |
| interurbanCorridor | Osaka–Nara corridor NERFINISHED ⓘ |
| lineLength | approximately 18.8 km ⓘ |
| locatedIn |
Nara Prefecture
NERFINISHED
ⓘ
Osaka Prefecture ⓘ |
| namedAfter | Keihanna Science City NERFINISHED ⓘ |
| numberOfStations | 12 ⓘ |
| openingDate | 1986 ⓘ |
| operator | Kintetsu Railway NERFINISHED ⓘ |
| owner | Kintetsu Railway NERFINISHED ⓘ |
| partOfNetwork | Kintetsu Railway network NERFINISHED ⓘ |
| primaryFunction | commuter transport ⓘ |
| regionServed | Kansai region NERFINISHED ⓘ |
| renamedAs | Kintetsu Keihanna Line NERFINISHED ⓘ |
| renamingYear | 2006 ⓘ |
| rollingStockType | electric multiple units ⓘ |
| servesArea |
Keihanna Science City area
NERFINISHED
ⓘ
eastern suburbs of Osaka ⓘ |
| serviceType | all-stations (local) services ⓘ |
| status | in operation ⓘ |
| terminus |
Gakken Nara-Tomigaoka Station
NERFINISHED
ⓘ
Nagata Station NERFINISHED ⓘ |
| throughServicesWith | Osaka Metro Chūō Line NERFINISHED ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
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: Kintetsu Keihanna Line Description of subject: The Kintetsu Keihanna Line is a commuter railway line in the Kansai region of Japan operated by Kintetsu Railway, connecting Osaka with its eastern suburbs and serving as part of a major interurban transit corridor.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chuo Line (Osaka Metro)