Triple
T19214509
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shinbundang Line |
E480445
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Shinbundang Railroad Co., Ltd. |
—
|
NE NERFINISHED |
How this triple was built (3 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: Shinbundang Railroad Co., Ltd. | Statement: [Shinbundang Line, operator, Shinbundang Railroad Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shinbundang Railroad Co., Ltd. Context triple: [Shinbundang Line, operator, Shinbundang Railroad Co., Ltd.]
-
A.
Gyeonggi Railroad Co., Ltd.
Gyeonggi Railroad Co., Ltd. is a South Korean railway company responsible for operating segments of the Seoul Metropolitan Subway network.
-
B.
Busan Transportation Corporation
Busan Transportation Corporation is the public company responsible for operating and managing the Busan Metro system in Busan, South Korea.
-
C.
Korea Rail Network Authority
The Korea Rail Network Authority is a South Korean government agency responsible for planning, constructing, and managing the nation’s railway infrastructure.
-
D.
Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
-
E.
Uijeongbu Light Rail Transit Co., Ltd.
Uijeongbu Light Rail Transit Co., Ltd. is the company responsible for operating the U Line light metro system serving the city of Uijeongbu in South Korea.
- 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: Shinbundang Railroad Co., Ltd. Target entity description: Shinbundang Railroad Co., Ltd. is the company responsible for operating the Shinbundang Line, a major high-speed subway line in the Seoul metropolitan area of South Korea.
-
A.
Gyeonggi Railroad Co., Ltd.
Gyeonggi Railroad Co., Ltd. is a South Korean railway company responsible for operating segments of the Seoul Metropolitan Subway network.
-
B.
Busan Transportation Corporation
Busan Transportation Corporation is the public company responsible for operating and managing the Busan Metro system in Busan, South Korea.
-
C.
Korea Rail Network Authority
The Korea Rail Network Authority is a South Korean government agency responsible for planning, constructing, and managing the nation’s railway infrastructure.
-
D.
Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
-
E.
Uijeongbu Light Rail Transit Co., Ltd.
Uijeongbu Light Rail Transit Co., Ltd. is the company responsible for operating the U Line light metro system serving the city of Uijeongbu in South Korea.
- F. None of above. chosen
Provenance (2 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_69e5fa397c188190b85bcfd9afd8dce6 |
completed | April 20, 2026, 10:04 a.m. |
Created at: April 10, 2026, 1:22 p.m.