Triple
T19213330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nara Line |
E480411
|
entity |
| Predicate | railwayCompanyDivision |
P1921
|
FINISHED |
| Object | JR West Kinki Urban Area network |
—
|
NE NERFINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: JR West Kinki Urban Area network | Statement: [Nara Line, railwayCompanyDivision, JR West Kinki Urban Area network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR West Kinki Urban Area network Context triple: [Nara Line, railwayCompanyDivision, JR West Kinki Urban Area network]
-
A.
Kita-Osaka Kyuko Railway network
The Kita-Osaka Kyuko Railway network is a private suburban railway system in northern Osaka Prefecture that functions as an extension of the Osaka Metro Midosuji Line, connecting central Osaka with its northern suburbs.
-
B.
Kansai public transport network
The Kansai public transport network is an extensive, interconnected system of trains, subways, buses, and trams serving Japan’s Kansai region, including major cities such as Osaka, Kyoto, and Kobe.
-
C.
Nagoya metropolitan area rail network
The Nagoya metropolitan area rail network is an extensive system of urban and suburban railway lines centered on Nagoya, Japan, integrating JR, private, and subway services to connect the city with its surrounding region.
-
D.
JR West Biwako Line
The JR West Biwako Line is a major railway corridor in Japan’s Kansai region, forming part of the Tōkaidō Main Line and connecting Kyoto and Shiga Prefectures along the shores of Lake Biwa.
-
E.
Nagoya–Osaka section
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
- 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: JR West Kinki Urban Area network Target entity description: The JR West Kinki Urban Area network is a major commuter and regional rail system operated by West Japan Railway Company serving the densely populated Kansai region, including cities such as Osaka, Kyoto, and Kobe.
-
A.
Kita-Osaka Kyuko Railway network
The Kita-Osaka Kyuko Railway network is a private suburban railway system in northern Osaka Prefecture that functions as an extension of the Osaka Metro Midosuji Line, connecting central Osaka with its northern suburbs.
-
B.
Kansai public transport network
The Kansai public transport network is an extensive, interconnected system of trains, subways, buses, and trams serving Japan’s Kansai region, including major cities such as Osaka, Kyoto, and Kobe.
-
C.
Nagoya metropolitan area rail network
The Nagoya metropolitan area rail network is an extensive system of urban and suburban railway lines centered on Nagoya, Japan, integrating JR, private, and subway services to connect the city with its surrounding region.
-
D.
JR West Biwako Line
The JR West Biwako Line is a major railway corridor in Japan’s Kansai region, forming part of the Tōkaidō Main Line and connecting Kyoto and Shiga Prefectures along the shores of Lake Biwa.
-
E.
Nagoya–Osaka section
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayCompanyDivision Context triple: [Nara Line, railwayCompanyDivision, JR West Kinki Urban Area network]
-
A.
railwayDivision
chosen
Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
-
B.
railwayCompany
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
-
C.
railwayDivisionHeadquartersOf
Indicates that one location serves as the administrative headquarters for a specified railway division.
-
D.
railwayCompanyGroup
Indicates that one entity is a group or consortium that includes or controls the other entity as a railway company.
-
E.
railwayCompanyOnRoute
Indicates that a particular railway company operates or provides service on a specified route.
- F. None of above.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fa38c0e881908e9501ee21d0f266 |
completed | April 20, 2026, 10:04 a.m. |
| PD | Predicate disambiguation | batch_69e4dcf22b3c8190bee02e3af946e114 |
completed | April 19, 2026, 1:47 p.m. |
Created at: April 10, 2026, 1:22 p.m.